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Photo of Ring & Pinion Set, GM 10-Bolt 8.5"/8.6", 3.42 Ratio
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Ring & Pinion Set, GM 10-Bolt 8.5"/8.6", 3.42 Ratio

Part# : C220046
Sold As: Set
Ship Size: Oversize 1
$321.99
List Price: $354.95
You Save $32.96
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Only a few left for immediate delivery
Vehicle Specific View fitment for 28 models
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Top-Quality, State Of The Art Manufacturing

A precision gear set you can depend on for years to come

Having the right gears in your differential is crucial to your vehicle’s performance. OPGI is proud to offer some of the finest gear sets on the market today. All ring and pinion gear sets are precision engineered to OE tolerances.

Notes

  • This item is not eligible for any further discounts or promotional pricing.
  • SHIP NOTE: Item exceeds standard ground freight size/weight, and is not eligible for free ground shipping.

Find Item In These Catalogs

  • 2025 Chevelle, El Camino 64-77 227
  • 2025 Cutlass, F-85 & 442 61-77 138
  • 2025 GM G-Body 1978-1988 93
  • 2025 Grand Prix 1962-77 113
  • 2025 GTO, LeMans & Tempest 149
  • 2025 Monte Carlo 70-77 97
  • 2025 Riviera 1963-76 53
  • 2025 Skylark, GS & GSX 61-72 115
WARNING: This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Vehicle Fitment

Year Make Model Application Details
1982 Buick Grand National 10-Bolt, 8.5/8.6" - 3.42 ratio
1984–1987 Buick Grand National 10-Bolt, 8.5/8.6" - 3.42 ratio
1976–1987 Buick Regal 1978–1987: 10-Bolt, 8.5/8.6" - 3.42 ratio
1975–1976 Buick Riviera 10-Bolt, 8.5/8.6" - 3.42 ratio
1970–1972 Buick Skylark Corp. 10-Bolt, 8.5/8.6" - 3.42 ratio
1983–1987 Buick T-Type 10-Bolt, 8.5/8.6" - 3.42 ratio
1999–2000 Cadillac Escalade  
2002–2013 Cadillac Escalade  
1979–1987 Chevrolet C10 10-Bolt, 8.5/8.6" - 3.42 ratio
1979–1987 Chevrolet C20 10-Bolt, 8.5/8.6" - 3.42 ratio
1979–1987 Chevrolet C30 10-Bolt, 8.5/8.6" - 3.42 ratio
1964–1977 Chevrolet Chevelle 10-Bolt, 8.5/8.6" - 3.42 ratio
1964–1987 Chevrolet El Camino 1964–1977: 10-Bolt, 8.5/8.6" - 3.42 ratio
1978–1987: 10-Bolt, 8.5/8.6" - 3.42 ratio
1979–1987 Chevrolet K10 10-Bolt, 8.5/8.6" - 3.42 ratio
1979–1987 Chevrolet K20 10-Bolt, 8.5/8.6" - 3.42 ratio
1979–1987 Chevrolet K30 10-Bolt, 8.5/8.6" - 3.42 ratio
1978–1983 Chevrolet Malibu 10-Bolt, 8.5/8.6" - 3.42 ratio
1970–1988 Chevrolet Monte Carlo 1970–1977: 10-Bolt, 8.5/8.6" - 3.42 ratio
1978–1988: 10-Bolt, 8.5/8.6" - 3.42 ratio
1979–1987 GMC C15/C1500 10-Bolt, 8.5/8.6" - 3.42 ratio
1979–1987 GMC C25/C2500 10-Bolt, 8.5/8.6" - 3.42 ratio
1979–1987 GMC C35/C3500 10-Bolt, 8.5/8.6" - 3.42 ratio
1979–1987 GMC K15/K1500 10-Bolt, 8.5/8.6" - 3.42 ratio
1979–1987 GMC K25/K2500 10-Bolt, 8.5/8.6" - 3.42 ratio
1979–1987 GMC K35/K3500 10-Bolt, 8.5/8.6" - 3.42 ratio
1970–1987 Oldsmobile Cutlass 1970–1977: Corp. 10-Bolt, 8.5/8.6" - 3.42 ratio
1978–1987: 10-Bolt, 8.5/8.6" - 3.42 ratio
1970–1986 Pontiac Bonneville 1982–1986: 10-Bolt, 8.5/8.6" - 3.42 ratio
1970–1977 Pontiac Catalina  
1971–1987 Pontiac Grand Prix 1978–1987: 10-Bolt, 8.5/8.6" - 3.42 ratio
1970–1973 Pontiac GTO Corp. 10-Bolt, 8.5/8.6" - 3.42 ratio
1971–1981 Pontiac LeMans  
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Ring & Pinion Set, GM 10-Bolt 8.5
Ring & Pinion Set, GM 10-Bolt 8.5"/8.6", 3.42 Ratio