{"title":"Mopar 8 3\/4","description":"","products":[{"product_id":"mopar-8-3-4-10-spline-pinion-yoke","title":"Mopar 8-3\/4 10 spline 1350 Series Extreme Duty 4340 Billet Steel Pinion Yoke","description":"\u003cp\u003e\u003cspan\u003eMark Williams Extreme Duty 4340 billet steel pinion yokes offer ultimate strength for your pinion yoke which is a high stress area on any rear differential. This Mopar 8.75 style yoke is designed to work with 10 spline pinion and 1350 u joint. All machining is done in relationship to the spline pitch diameter to ensure each yoke is symmetrical for balance and smooth operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFits Mopar 8 3\/4 rear ends \/ thirdmembers\u003c\/li\u003e\n\u003cli\u003e13 spline yoke\u003c\/li\u003e\n\u003cli\u003eHigh strength 4340 steel construction\u003c\/li\u003e\n\u003cli\u003eThru Hardened for ultimate strength\u003c\/li\u003e\n\u003cli\u003eBlack Oxide finished\u003c\/li\u003e\n\u003cli\u003e1350 U-Joint\u003c\/li\u003e\n\u003cli\u003e3.50\" End of Pinion Yoke to U Joint Center (B dimension)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWeighs 2.34 lb\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUtilizes 1350 billet steel cap kit (39112) for added strength. Add in options below or \u003ca href=\"https:\/\/mwdriveline.myshopify.com%20%E2%80%BA%20products%20%E2%80%BA%20billet-u-bolt-u-joint-kit-1350\" title=\"1350 Mark William billet strap kit\"\u003eClick Here\u003c\/a\u003e\u003ca href=\"https:\/\/mwdriveline.myshopify.com%20%E2%80%BA%20products%20%E2%80%BA%20billet-u-bolt-u-joint-kit-1480\" title=\"1480 Mark William billet strap kit\"\u003e \u003c\/a\u003eto view\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Mark Williams","offers":[{"title":"Default Title","offer_id":52297113862509,"sku":"39016","price":189.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/6666\/3021\/files\/39016_37ae753d-7f98-4e2e-b2d6-f95cf3d6c28f.jpg?v=1760712139"},{"product_id":"mopar-8-75-installation-kit","title":"Mopar 8.75\" (489 Case) Installation Kit","description":"\u003cp\u003e\u003cspan\u003eFor 489 case. Includes shims and bearings for pinion and carrier, pinion seal, preload shim, ring gear bolts, pinion nut, cover gasket, gear marking compound, and brush\u003c\/span\u003e\u003c\/p\u003e","brand":"MW Driveline","offers":[{"title":"Default Title","offer_id":52496569925997,"sku":"83-1031","price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/6666\/3021\/files\/83-1031.jpg?v=1760977309"},{"product_id":"mopar-8-75-installation-kit-1","title":"Mopar 8.75\" (742 Case) Installation Kit","description":"\u003cp\u003e\u003cspan\u003eFor 742 case. Includes shims and bearings for pinion and carrier, pinion seal, preload shim, ring gear bolts, pinion nut, cover gasket, gear marking compound, and brush\u003c\/span\u003e\u003c\/p\u003e","brand":"MW Driveline","offers":[{"title":"Default Title","offer_id":52496685826413,"sku":"83-1037","price":239.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/6666\/3021\/files\/83-1037.jpg?v=1760977373"},{"product_id":"mopar-8-75-742-case-installation-kit","title":"Mopar 8.75\" (742 Case) Installation Kit","description":"\u003cp\u003e\u003cspan\u003eFor 742 case with a spool. Includes shims and bearings for pinion, spool bearings, pinion seal, preload shim, ring gear bolts, pinion nut, cover gasket, gear marking compound, and brush.\u003c\/span\u003e\u003c\/p\u003e","brand":"MW Driveline","offers":[{"title":"Default Title","offer_id":52496806281581,"sku":"83-5310-S","price":239.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/6666\/3021\/files\/83-5310-S.600.jpg?v=1758078213"},{"product_id":"mopar-8-3-4-pinion-bearings","title":"Mopar 8-3\/4 Pinion Bearings","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eTimken® bearings for 742 case (complete set), 1-3\/4\" pinion diameter\u003c\/span\u003e\u003c\/p\u003e","brand":"Mark Williams","offers":[{"title":"Default Title","offer_id":52497750393197,"sku":"53182","price":169.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/6666\/3021\/files\/53172.jpg?v=1760977091"},{"product_id":"mopar-8-3-4-pinion-depth-shim-kit","title":"Mopar 8-3\/4 Pinion Depth Shim Kit (1 7\/8 Pinion)","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e8-3\/4\" Mopar, 1-7\/8\" pinion (tapered pinion). Includes pinion depth shims, crush sleeve, pinion seal, pinion nut \/ washer and marking compound.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Mark Williams","offers":[{"title":"Default Title","offer_id":52497814225261,"sku":"53920","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/6666\/3021\/files\/53920.jpg?v=1760989660"},{"product_id":"mopar-8-3-4-pinion-depth-shim-kit-1-3-4-pinion","title":"Mopar 8-3\/4 Pinion Depth Shim Kit (1 3\/4 Pinion)","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e8-3\/4\" Mopar, 1-3\/4\" pinion. Includes pinion depth and preload shims, pinion seal, pinion nut \/ washer and marking compound.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Mark Williams","offers":[{"title":"Default Title","offer_id":52497984323949,"sku":"53910","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/6666\/3021\/files\/53910.jpg?v=1760990387"},{"product_id":"ford-9-35-spline-summers-style-lightweight-steel-spool-7-16-bolts-3-250-bearing-copy","title":"Mopar 8 3\/4 35 spline MW lightweight steel spool 3\/8\" bolts","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eThis lightweight steel spool by Mark Williams is designed to be used with Mark Williams style 35 spline axles. Uses 3\/8\" bolts. Manufactured from through hardened 4140 high strength steel. 12.5 lbs.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstructions: \u003ca rel=\"noopener\" title=\"Spool Instructions\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0943\/6666\/3021\/files\/sb0046.pdf?v=1756843707\" target=\"_blank\"\u003eSB0046\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFeatures:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eCut for Mark Williams 35 Spline\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWorks in factory Mopar 8 3\/4 cases\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e4140 Through hardened steel\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUses 3\/8 LH thread Ring Gear Bolts\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWeighs 12.5 pounds\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMade in the USA\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: We recommend replacing ring gear bolts every time a new gear is setup. Correct Part number for ring gear bolts is \u003ca href=\"https:\/\/markwilliams.com\/products\/mopar-8-3-4-ring-gear-bolt-kit-3-8-lh-thread?_pos=1\u0026amp;_sid=740f8f95e\u0026amp;_ss=r\" title=\"53900\"\u003e\u003cstrong\u003e53900\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eAll Mark Williams steel spools are precision machined from 4140 steel forgings on CNC machinery for ultimate precision and accuracy. The ring gear register and bearing diameters are precision ground with the spool mounted on a special arbor to assure concentricity between the splines and the ground surfaces and final ground to ensureszero runout on the ring mounting surface. Engineered for maximum reliability, MW spools have an increased cross-section under the ring gear register to prevent ring gear deflection. MW spools are heat treated in-house with the same austemper through hardening heat treat process as our strongest in class MW “Hi-Torque” axles for ultimate strength. MW lightweight spools are profile milled and lightening holes are added to reduce the weight by as much as 25% over the standard version without sacrificing the strength of the spool.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eThe Mark Williams Advantage\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003eThrough hardened alloy steel, not egg-shell-thin hardened case\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\n\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003eRing gear mounting diameter is ground to precise press fit\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eAll mounting diameters concentric and square within .001\"\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eIncreased cross section and generous radius under mounting prevents deforming\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Mark Williams","offers":[{"title":"No","offer_id":52567348445549,"sku":"53187","price":399.0,"currency_code":"USD","in_stock":true},{"title":"Yes Add 53900 (+35.00)","offer_id":52567348478317,"sku":"53187-1","price":424.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/6666\/3021\/files\/MRW_3483.jpg?v=1761667313"},{"product_id":"mopar-8-3-4-ring-gear-bolt-kit-3-8-lh-thread","title":"Mopar 8-3\/4 Ring Gear Bolt Kit 3\/8 LH Thread","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eOEM 3\/8 left hand thread ring gear bolts for Mopar 8 3\/4\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIncludes set of 12 bolts\u003c\/span\u003e\u003c\/p\u003e","brand":"Mark Williams","offers":[{"title":"Default Title","offer_id":52567376462189,"sku":"53900","price":35.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/6666\/3021\/files\/53900.600.jpg?v=1758208236"},{"product_id":"mopar-8-3-4-35-mw-spline-steel-spool-for-stock-case","title":"Mopar 8 3\/4 35 MW spline steel spool for stock case","description":"\u003cp class=\"p1\"\u003eMark Williams steel spools are precision machined from US Made 4140 steel forgings on CNC machinery for ultimate precision and accuracy. The ring gear register and bearing diameters are precision ground with the spool mounted on a special arbor to assure concentricity between the splines and the ground surfaces and final ground to ensures zero runout on the ring mounting surface. Engineered for maximum reliability, MW spools have an increased cross-section under the ring gear register to prevent ring gear deflection. MW spools are heat treated in-house with the same austemper through hardening heat treat process as our strongest in class MW “Hi-Torque” axles for ultimate strength. \u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eThe Mark Williams Advantage\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003eThrough hardened alloy steel, not egg-shell-thin hardened case\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\n\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003eRing gear mounting diameter is ground to precise press fit\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eAll mounting diameters concentric and square within .001\"\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eIncreased cross section and generous radius under mounting prevents deforming\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eMade in the USA! Forged, Ground, Machined, and Heat Treated in the USA!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eMW 35-spline for 742 or 489 8-3\/4\" case. Uses 2\" diameter carrier bearings that fits a stock case. This allows the 8-3\/4\" to have the same strength axles as a Dana 60™. Manufactured from through hardened 4140 high strength steel.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstructions: \u003ca rel=\"noopener\" title=\"Spool Instructions\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0943\/6666\/3021\/files\/sb0046.pdf?v=1756843707\" target=\"_blank\"\u003eSB0046\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFeatures:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eCut for Mark Williams 35 spline axles \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e4140 Through hardened steel\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWeighs 14 pounds\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMade in the USA\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBlack Oxide Coated\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: We recommend replacing ring gear bolts every time a new gear is setup. The correct bolts for this spool are MW PN \u003ca href=\"https:\/\/markwilliams.com\/products\/mopar-8-3-4-ring-gear-bolt-kit-3-8-lh-thread?_pos=1\u0026amp;_sid=740f8f95e\u0026amp;_ss=r\" title=\"53900\"\u003e\u003cstrong\u003e53900\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Mark Williams","offers":[{"title":"No","offer_id":52570701300077,"sku":"53180","price":369.99,"currency_code":"USD","in_stock":true},{"title":"Yes Add 53900 (+35.00)","offer_id":52570701332845,"sku":"53180-1","price":404.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/6666\/3021\/files\/MRW_3471.jpg?v=1761686260"},{"product_id":"mopar-8-3-4-35-mw-spline-steel-spool-for-stock-case-copy","title":"Mopar 8 3\/4 30 spline steel spool for stock case","description":"\u003cp class=\"p1\"\u003eMark Williams steel spools are precision machined from US Made 4140 steel forgings on CNC machinery for ultimate precision and accuracy. The ring gear register and bearing diameters are precision ground with the spool mounted on a special arbor to assure concentricity between the splines and the ground surfaces and final ground to ensures zero runout on the ring mounting surface. Engineered for maximum reliability, MW spools have an increased cross-section under the ring gear register to prevent ring gear deflection. MW spools are heat treated in-house with the same austemper through hardening heat treat process as our strongest in class MW “Hi-Torque” axles for ultimate strength. \u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eThe Mark Williams Advantage\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003eThrough hardened alloy steel, not egg-shell-thin hardened case\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\n\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003eRing gear mounting diameter is ground to precise press fit\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eAll mounting diameters concentric and square within .001\"\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eIncreased cross section and generous radius under mounting prevents deforming\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eMade in the USA! Forged, Ground, Machined, and Heat Treated in the USA!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eStock type 30-spline for 742 or 489 case. If used with stock 8-3\/4\" Mopar Timken® wheel bearings, a thrust spacer block is required. Manufactured from through hardened 4140 high strength steel.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstructions: \u003ca rel=\"noopener\" title=\"Spool Instructions\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0943\/6666\/3021\/files\/sb0046.pdf?v=1756843707\" target=\"_blank\"\u003eSB0046\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFeatures:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eCut for 30 spline axles \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFits stock 742 or 489 case\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e4140 Through hardened steel\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWeighs 14 pounds\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMade in the USA\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBlack Oxide Coated\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: We recommend replacing ring gear bolts every time a new gear is setup. The correct bolts for this spool are MW PN \u003ca href=\"https:\/\/markwilliams.com\/products\/mopar-8-3-4-ring-gear-bolt-kit-3-8-lh-thread?_pos=1\u0026amp;_sid=740f8f95e\u0026amp;_ss=r\" title=\"53900\"\u003e\u003cstrong\u003e53900\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Mark Williams","offers":[{"title":"No","offer_id":52570707886445,"sku":"53186","price":339.99,"currency_code":"USD","in_stock":true},{"title":"Yes Add 53900 (+35.00)","offer_id":52570707919213,"sku":"53186-1","price":374.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/6666\/3021\/files\/MRW_3471.jpg?v=1761686260"},{"product_id":"mopar-8-3-4-35-mw-spline-aluminum-spool-3-250-bearing","title":"Mopar 8 3\/4 35 MW spline aluminum spool (3.250\" bearing)","description":"\u003cp class=\"p1\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eMark Williams aluminum spools are up to the task to reduce rotating weight, without sacrificing strength. \u003cmeta charset=\"utf-8\"\u003eMW aluminum spools are machined from 7075-T6 aluminum alloy forgings and hard coat anodized for durability. Aluminum spools are approximately half the weight of the profile milled steel spools and are successfully being used in Pro Stock, Comp, Super Comp, Super Gas and Stock eliminator, Superstock cars and many more. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eThe Mark Williams Advantage\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003eRing gear mounting diameter is ground to precise press fit\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eAll mounting diameters concentric and square within .001\"\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eIncreased cross section and generous radius under mounting prevents deforming\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eMade in the USA!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis aluminum spool by Mark Williams is designed to be used with Mark Williams style 35 splines. Uses 3\/8\" bolts. Manufactured from \u003cmeta charset=\"utf-8\"\u003e\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003e7075 high strength aluminum and are approximately half the weight of a lightened steel spool. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstructions: \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0943\/6666\/3021\/files\/sb0046.pdf?v=1756843707\" target=\"_blank\" title=\"Spool Instructions\" rel=\"noopener\"\u003eSB0046\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFeatures:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eCut for Mark Williams 35 spline axles\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e7075 Aluminum\u003c\/span\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUses 3\/8-24 bolts\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWeighs 5.2 lbs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMade in the USA\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: We recommend replacing ring gear bolts every time a new gear is setup. The correct bolts for this spool are MW PN \u003ca title=\"53900\" href=\"https:\/\/markwilliams.com\/products\/mopar-8-3-4-ring-gear-bolt-kit-3-8-lh-thread?_pos=1\u0026amp;_sid=740f8f95e\u0026amp;_ss=r\"\u003e\u003cstrong\u003e53900\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0943\/6666\/3021\/files\/53179.jpg?v=1761838779\"\u003e\u003c\/p\u003e","brand":"Mark Williams","offers":[{"title":"No","offer_id":52570953023853,"sku":"53179","price":489.99,"currency_code":"USD","in_stock":true},{"title":"Yes Add 53900 (+49.99)","offer_id":52570953056621,"sku":"53179-1","price":539.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/6666\/3021\/files\/MRW_3502.jpg?v=1761667216"},{"product_id":"10-spline-4140-steel-pinion-female-coupler-mopar-8-75","title":"10 spline 4140 Steel Pinion Female Coupler Mopar 8.75","description":"\u003cp\u003e10 spline 4140 Steel Pinion Female Coupler Mopar 8.75\u003c\/p\u003e\n\u003cp\u003ePN 40500\u003c\/p\u003e","brand":"Mark Williams","offers":[{"title":"Default Title","offer_id":52589707755885,"sku":"40500","price":179.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/6666\/3021\/files\/40750.jpg?v=1762106151"},{"product_id":"mopar-8-3-4-8620-street-gear","title":"Mopar 8 3\/4 8620 Street Gear Ring and Pinion Gear Set","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eNote: Don't see the ratio you need? We are adding new ratios daily, give us a call\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMopar 8.75\" or 8 3\/4 Ring and Pinion gears made from premium 8620 steel, providing excellent wear resistance and a longer service life compared to standard gear materials. Designed to handle higher horsepower while maintaining quiet operation, ideal upgrade for performance street builds, hot rods, or daily-driven vehicles\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e8.750\" Ring Gear Diameter\u003c\/li\u003e\n\u003cli\u003e8620 Street Gear Material\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAvailable in the following gear ratios:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003e4.56\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e4.86\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAdd On Gear Treatments:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSupra-Fin Polish Ring Gear\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSUBZ - Subzero Treatment for Ring Gear\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePEEN-02 - Shot Peen Ring Gear\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLRG - Lighten Ring Gear\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MW Driveline","offers":[{"title":"4.56","offer_id":52702782914925,"sku":"629-0047","price":299.99,"currency_code":"USD","in_stock":true},{"title":"4.86","offer_id":52702782947693,"sku":"629-0048","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/6666\/3021\/files\/Mopar_83_4-Photoroom.png?v=1762355590"},{"product_id":"8-3-4-mopar-billet-steel-main-cap","title":"8-3\/4\" Mopar Billet Steel Main Cap","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eBillet steel main cap for 3.265\" bore case (sold each)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eOne of the most common causes of rear end component failure can be traced to the stock rear end caps. To cure this problem MW makes a replacement cap from billet steel with an increased cross section and heat treated grade 8 hardware (included). \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRequires precision measuring of the cap bore and milling of cap parting line to install. Normally, only the driver’s side cap has to be replaced, but most customers replace both. Check out the cap installation instructions \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eInstallation Instructions: \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0943\/6666\/3021\/files\/sb0050.pdf?v=1765216930\" target=\"_blank\" rel=\"noopener\"\u003eClick Here\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNot a returnable part after it is installed.\u003c\/em\u003e\u003c\/p\u003e","brand":"Mark Williams","offers":[{"title":"Default Title","offer_id":52818575950189,"sku":"53950","price":133.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/6666\/3021\/files\/IMG-2338.jpg?v=1780433887"},{"product_id":"mopar-non-adjustable-axle-bearings-2-875-od","title":"Mopar Non-Adjustable Axle Bearings 2.875\" OD Pair","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e2.875\" O.D., 1.562\" I.D. for stock ends with spiral lock\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSold as pair\u003c\/span\u003e\u003c\/p\u003e","brand":"Mark Williams","offers":[{"title":"Default Title","offer_id":52821708210541,"sku":"56003","price":111.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/6666\/3021\/files\/56003.600.jpg?v=1765299462"},{"product_id":"3-8-backing-plate-bolt-kit-caliper-bracket-mounting-bolts-set-of-10","title":"3\/8\" Backing Plate Bolt Kit \/ Caliper Bracket Mounting Bolts (Set of 10)","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eIncludes 3\/8\" diameter bolts with nuts and washers. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUsed with Mark Williams 5 bolt Mopar style housing ends. Set of 10.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mark Williams","offers":[{"title":"Default Title","offer_id":52821920317805,"sku":"58570a","price":64.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/6666\/3021\/files\/58570a-Photoroom.png?v=1765307543"},{"product_id":"mopar-8-3-4-spool-bearing-kit-pair","title":"Mopar 8 3\/4 Spool Bearing Kit (Pair)","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eTimken® bearings and races for 8-3\/4\" Mopar. Bearings fit 3.265\" bore stock case\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIncludes \u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003e2 complete bearings w\/ races\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mark Williams","offers":[{"title":"Default Title","offer_id":52822230565229,"sku":"53181","price":85.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/6666\/3021\/files\/53181.600.jpg?v=1765314393"},{"product_id":"mopar-8-3-4-third-member-gasket","title":"Mopar 8 3\/4\" Third Member Gasket","description":"\u003cp\u003eMopar 8 3\/4\" Third Member Gasket\u003c\/p\u003e","brand":"Mark Williams","offers":[{"title":"Default Title","offer_id":52908589678957,"sku":"53901","price":5.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/6666\/3021\/files\/53901.600.png?v=1768264965"},{"product_id":"mopar-8-3-4-pinion-seal","title":"Mopar 8 3\/4\" Pinion Seal 1.750\" (For 742 Case)","description":"\u003cp\u003eMopar 8 3\/4\" Pinion Seal for 742 case\u003c\/p\u003e","brand":"Mark Williams","offers":[{"title":"Default Title","offer_id":52908599574893,"sku":"53904","price":65.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/6666\/3021\/files\/53904.600.png?v=1768265200"},{"product_id":"mopar-8-3-4-pinion-seal-1-875","title":"Mopar 8 3\/4\" Pinion Seal 1.875\" (For 489 Case)","description":"\u003cp\u003eMopar 8 3\/4\" Pinion Seal for 489 Case\u003c\/p\u003e","brand":"Mark Williams","offers":[{"title":"Default Title","offer_id":52908607471981,"sku":"53905","price":27.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/6666\/3021\/files\/53905.600.png?v=1768265407"},{"product_id":"mopar-non-adjustable-axle-bearings-mopar-8-3-4","title":"Mopar Non-Adjustable Axle Bearings Mopar 8 3\/4\"","description":"\u003cdiv class=\"hidden-xs\"\u003e\n\u003cdiv id=\"product_tabs\"\u003e\n\u003cdiv class=\"tab-content\"\u003e\n\u003cdiv role=\"tabpanel\" class=\"tab-pane active\" id=\"product_info\" itemprop=\"description\"\u003e\n\u003cp\u003eRequired for use with MW brake kits. 2.875\" O.D., 1.562\" I.D. for stock ends (with retainers).\u003c\/p\u003e\n\u003cp\u003eSold as a pair\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Mark Williams","offers":[{"title":"Default Title","offer_id":52908611076461,"sku":"56001","price":96.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/6666\/3021\/files\/56001.600.png?v=1768265569"},{"product_id":"8-3-4-mopar-billet-main-cap-adjusters","title":"8-3\/4\" Mopar Billet Main Cap Adjusters 3.625\" Case (Pair)","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eReplaces stamped steel adjusters with solid steel. For use with Heavy Duty 3.625\" Bore Case\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSold as a pair\u003c\/span\u003e\u003c\/p\u003e","brand":"Mark Williams","offers":[{"title":"Default Title","offer_id":52908611371373,"sku":"53960","price":67.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/6666\/3021\/files\/53960.600.png?v=1768265862"}],"url":"https:\/\/markwilliams.com\/collections\/mopar-8-3-4.oembed","provider":"Mark Williams Driveline","version":"1.0","type":"link"}