GM 12-Bolt Car Ring & Pinion with Install Kit 8.875" Diameter Ring Gear

Name: GM 12-Bolt Car Ring & Pinion with Install Kit 8.875" Diameter Ring Gear
Brand: JEGS
SKU: 555-60081K
Price: 365.55 USD
Availability: InStock

^$365⁵⁵

Ships on Dec 18, 2026

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GM 12-Bolt Car 8.875"

GM 12-Bolt Car Ring & Pinion with Install Kit

8.875" Diameter Ring Gear

3.55 Ratio

39-11 Teeth

30 Spline Pinion

For 3.73 Ratio and Numerically-Lower Carriers

1.625" Pinion Diameter
30 Spline Pinion
Oval 12-Bolt Hole Cover
Fits:
1964-72 Chevrolet
1965-72 Chevy II
1964-72 Chevelle
1967-72 Camaro
1965-72 El Camino
1967-72 Firebird
1970-72 Grand Prix
1965-72 GTO
1965-72 Impala
1964-72 Lemans
1970-72 Monte Carlo
1965-72 Nova
1968-70 Olds F85
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.