GM 10-Bolt 8.5" Ring & Pinion 3.90 Ratio

Name: GM 10-Bolt 8.5" Ring & Pinion 3.90 Ratio
Brand: DANA SPICER
SKU: 094-2020954
Price: 325.00 USD
Availability: InStock

^$325⁰⁰

Ships on 09/15/2026

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SVL - GM 10-Bolt 8.5"

3.90 Ratio
When replacing a stock 2.56 and numerically lower ratio, the carrier must be replaced with a carrier of 2.73 or higher
Ring Gear Diameter: 8.5"
Ring Gear Bolts: (10) 7/16"-20 Left Hand Threads
Cover Bolts: 10
Pinion Spline: 1.625" / 30 Spline
Fits:
1979-'81 Camaro
1970-'96 Chevelle
1971-'75 Nova
1971-'77 El Camino
1970-'81 GTO/Firebird/Trans Am
1991-'96 Road Master
1971-'83 Monte Carlo
1972-'81 Z-28
1977-'91 Blazer (front/rear)
1978-Up C10/C15/G10/G15/G20/G25
1977-Up GM 1/2 Ton (rear)
1977-91 GM 1/2 Ton (front)
1977-99 GM 3/4 Ton

Part TypeRing and Pinion

BrandDANA SPICER

Package Height5.3

Package Width11.5

Package Length15.5

Weight18.72 PG

Part CategoryReplacement Parts

Part FitmentSemi Universal

Package Qty1

Package TypeEA

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Some parts are not legal for use in California or other states with similar laws / regulations