Toll Free: 1-866-508-6394
Local: 303-665-6901
Fax: 303-665-7021
Order a Catalog

 Shopping Cart:
 0 Items In Cart
 Total: $0.00
Checkout
 
  Search  
     
  Advanced Search  
 
Click Here to sign up to receive discounts and news on our latest products.
 
Click here to see our Partners in Quality dealer network listing.
 

 
 
12 Bolt GM Car, 8.875” Street Gears
 
 
Category: Ring & Pinion Sets
Part Number(s): GM 12 Bolt Car, 8.875”, 8620, 4 Series
 
Fits 4 series carrier (original ratios of 3.73 and numerically higher) with 1.325” distance from bearing shoulder to ring gear flange. 8.875” ring gear diameter, 1.625" dia. pinion stem, 30 spline pinion. Manufactured from 8620 alloy. These gears are used primarily for street, oval track, and lightweight drag racing applications.
$193.60 - $276.58

Items marked with an asterisk (*) are available with limited stock
 
 
 
 
$0.00
Qty:
Add To Cart
 
Email Friend
Add To Saved Cart
   
 
 

   
 
 
 
12 Bolt GM Passenger Car Installation Kit
Part Number(s):  83-1019
 
Installation kit contains all the parts required for a complete ring and pinion installation, including pinion and carrier shims, pinion seal, crush sleeve or preload shims, ring gear bolts, pinion nut and washer, and cover gasket along with gear marking
 
Price: $161.21
 
 
 
 
 
12 Bolt Ring Gear Spacer
Part Number(s):  58950
 
For using 4.10 to 6.14 ratio gears on 3 series carrier. Includes bolts.
 
Price: $52.50
 
 
 
 
 
Special GM 12 Bolt Cross Pin
Part Number(s):  80-0269
 
12 Bolt Posi (for 5.14 to 6.14 ratios with stock c-clip axles)
 
Price: $39.38