3.42 Ratio Differential Ring and Pinion for 8.875 (Inch) (12 Bolt)
Motive Gear stock performance ring and pinions are excellent replacements for OE. Experienced installers prefer our ring and pinions for easy setup, superior strength, quality, and our vast ratio selection. Motive Gear produces the industry's widest range of OEM replacement ring and pinions. Engineered to the highest standards, every Motive Gear product goes through rigid quality control processes in our in-house lab. In combination with Motive Gear's performance and axle divisions: Motive Gear Performance and TEN Factory, there simply isn't a better value in drivetrain components.
GM12-342 Application Notes
- For GM 8.875" (12 Bolt)
- 3.42 Ratio
- 2.76 to 3.42 Ratio Carrier
Warranty
1 Year or 50,000 Miles
GM12-342 Specifications
Cover Bolt Quantity
12
Differential Carrier Break
2.76 to 3.42 Ratio
Differential Case Design Type
GM 8.875 Truck
Pinion Gear Tooth Quantity
12
Pinion Shaft Diameter
1.438 (Inch)
Pinion Spline Count
30
Ring & Pinion Gear Ratio
3.42
Ring Gear Bolt Quantity
12
Ring Gear Diameter
8.875 (Inch)
Ring Gear Material
8620 Steel
Ring Gear Rotation
Standard
Ring Gear Tooth Quantity
41
Taxonomy A
LD Differential, LD Differential, LD Differential, LD Differential, LD Differential
Taxonomy B
Ring and Pinion, Ring and Pinion, Ring and Pinion, Ring and Pinion, Ring and Pinion
Taxonomy C
GM 8.875 Truck, GM 8.875 Truck, GM 8.875 Truck, GM 8.875 Truck, GM 8.875 Truck
Taxonomy D
Rear, Rear, Rear, Rear, Rear
Vehicle Applications
- 1969 – 1974 Chevrolet Blazer
- 1975 – 1982 Chevrolet C10
- 1965 – 1967 Chevrolet C10 Panel
- 1964 – 1974 Chevrolet C10 Pickup
- 1967 – 1982 Chevrolet C10 Suburban
- 1975 – 1981 Chevrolet C20
- 1969 – 1974 Chevrolet C20 Pickup
- 1973 – 1981 Chevrolet C20 Suburban
- 1975 – 1981 Chevrolet G10
- 1964 – 1974 Chevrolet G10 Van
- 1975 – 1981 Chevrolet G20
- 1967 – 1974 Chevrolet G20 Van
- 1975 – 1981 Chevrolet K10
- 1964 – 1974 Chevrolet K10 Pickup
- 1967 – 1982 Chevrolet K10 Suburban
- 1975 – 1981 Chevrolet K20
- 1969 – 1974 Chevrolet K20 Pickup
- 1973 – 1981 Chevrolet K20 Suburban
- 1975 – 1981 Chevrolet K5 Blazer
- 1975 – 1980 Chevrolet P10
- 1965 – 1967 Chevrolet P10 Series
- 1967 – 1974 Chevrolet P10 Van
- 1975 – 1981 Chevrolet P20
- 1966 – 1967 Chevrolet P20 Series
- 1968 – 1974 Chevrolet P20 Van
- 1965 – 1966 Chevrolet Suburban
- 1975 – 1978 GMC C15
- 1975 – 1978 GMC C15 Suburban
- 1967 – 1974 GMC C15/C1500 Pickup
- 1967 – 1974 GMC C15/C1500 Suburban
- 1979 – 1982 GMC C1500
- 1979 – 1981 GMC C1500 Suburban
- 1975 – 1978 GMC C25
- 1975 – 1978 GMC C25 Suburban
- 1969 – 1974 GMC C25/C2500 Pickup
- 1969 – 1974 GMC C25/C2500 Suburban
- 1979 – 1981 GMC C2500
- 1979 – 1981 GMC C2500 Suburban
- 1965 – 1966 GMC G1000 Series
- 1975 – 1978 GMC G15
- 1967 – 1974 GMC G15/G1500 Van
- 1979 – 1981 GMC G1500
- 1975 – 1978 GMC G25
- 1967 – 1974 GMC G25/G2500 Van
- 1979 – 1981 GMC G2500
- 1970 – 1981 GMC Jimmy
- 1966 GMC K1000 Pickup
- 1975 – 1978 GMC K15
- 1975 – 1978 GMC K15 Suburban
- 1966 – 1974 GMC K15/K1500 Pickup
- 1967 – 1974 GMC K15/K1500 Suburban
- 1979 – 1982 GMC K1500
- 1979 – 1982 GMC K1500 Suburban
- 1975 – 1978 GMC P15
- 1967 – 1974 GMC P15/P1500 Van
- 1979 – 1980 GMC P1500
- 1975 – 1978 GMC P25
- 1967 – 1974 GMC P25/P2500 Van
- 1979 – 1981 GMC P2500
- 1965 – 1966 GMC PB1000 Series
- 1966 GMC PB15 Series
- 1965 GMC PB1500 Series
- 1966 GMC PB2500 Van
- 1975 – 1979 Plymouth Poseidon
