GM 10-Bolt Ring & Pinion with Install Kit 8.5" Diameter Ring Gear (Corporate/New Style)

Name: GM 10-Bolt Ring & Pinion with Install Kit 8.5" Diameter Ring Gear (Corporate/New Style)
Brand: JEGS
SKU: 555-60034K
Price: 324.55 USD
Availability: InStock

^$324⁵⁵

Ships on 09/14/2026

Lowest Price Guarantee

GM 10-Bolt 8.5" (Corporate)

GM 10-Bolt Ring & Pinion with Install Kit

8.5" Diameter Ring Gear (Corporate/New Style)

4.11 Ratio

37-9 Teeth

30 Spline Pinion

When replacing a stock 2.56 and numerically lower ratio, the carrier must be replaced with a carrier of 2.73 or higher
Does not work with pinion-mounted ABS sensor
1.626" Pinion Diameter
30 Spline Pinion
10-Bolt Cover
Fits: (with new-style 10-bolt housing)
1970-76 Bel-Air/Caprice/Impala/Chevelle/Olds F-85
1973-76 El Camino
1970-75 Nova
1970-81 Camaro/Firebird/GTO
1972-81 Z-28/Trans-Am
1977-87 K10/K20 (front)
1977-91 Blazer (front)
1980-02 C10/K10/Blazer/C1500/K1500 (rear)
1980-96 Suburban (rear)
1977-91 Suburban (front)
1979-96 G10/G20 Van
Includes:
Pinion and carrier bearings & shims
Pinion nut & seal
Crush sleeve
Cover gasket or RTV
Ring gear bolts
75W-90 synthetic differential lube (2 quarts)
Limited slip additive (4 ounces)
Thread locker sealant
Marking compound
Application Brush
Installation instructions

With high-quality grade steel to provide durability for street, highway, and occasional race use, JEGS Gear Sets are made utilizing modern machining and heat treating for added strength and miles of trouble-free service.

Also Available: JEGS Ring & Pinion Setup Tool Kit

By having the option to buy a JEGS installation kit with the JEGS gear sets, it has never been easier to install a ring and pinion.