Hurst Engineering Ring & Pinion for GM 12-Bolt Truck 3.73 Ratio THICK GEAR BCCS 02-111 - FREE T-SHIRT INCLUDED!

Call us today to order your Hurst Engineering Ring & Pinion for GM 12-Bolt Truck 3.73 Ratio THICK GEAR!

Part # 02-111

• 3.73 ratio THICK gear
• Fits GM 12-Bolt differentials
• Gear tooth finish reduces friction and heat for longevity
• High grade steel for strength and durability

"Everyone has different needs for their truck. One of the most dramatic changes you can make to a vehicle are the rear ring and pinion gears. Whether you are going for aggressive low-end response for performance and towing, you're looking to make your truck a highway cruiser, or you have made a change to your wheel and tire size, we have a ring & pinion for you. Hurst engineering offers gear sets ranging from 3.08 to 4.56 for the GM 12-bolt rear ends to get you exactly where you need to be. THICK gear sets indicate that they are compatible with 3.42 and down differentials."

Vehicle information below is not a guaranty of fitment. If you have fitment concerns, please call prior to ordering.

1978-1980 Chevrolet C10 Big Ten; 1975-1981 Chevrolet C10 Cheyenne; 1975-1986 Chevrolet C10 Custom; 1975-1980 Chevrolet C10 Custom Deluxe; 1981 Chevrolet C10 Deluxe; 1975-1986 Chevrolet C10 Scottsdale; 1975-1986 Chevrolet C10 Silverado; 1963-1974 Chevrolet C10 Pickup Base; 1967-1974 Chevrolet C10 Suburban Base; 1981-1986 Chevrolet C10 Suburban Custom; 1975-1980 Chevrolet C10 Suburban Custom Deluxe; 1981 Chevrolet C10 Suburban Deluxe; 1975-1986 Chevrolet C10 Suburban Scottsdale; 1975-1986 Chevrolet C10 Suburban Silverado; 1987-1988 Chevrolet C15 Base; 1982-1986 Chevrolet C15 Cheyenne; 1982-1986 Chevrolet C15 Custom; 1984 Chevrolet C15 Sport; 1986-1987 Chevrolet C20 Base; 1975-1987 Chevrolet C20 Cheyenne; 1981-1986 Chevrolet C20 Custom; 1975-1980 Chevrolet C20 Custom Deluxe; 1981 Chevrolet C20 Deluxe; 1975-1986 Chevrolet C20 Scottsdale; 1975-1986 Chevrolet C20 Silverado; 1963-1974 Chevrolet C20 Pickup Base; 1967-1974 Chevrolet C20 Suburban Base; 1981-1986 Chevrolet C20 Suburban Custom; 1975-1980 Chevrolet C20 Suburban Custom Deluxe; 1981 Chevrolet C20 Suburban Deluxe; 1975-1986 Chevrolet C20 Suburban Scottsdale; 1975-1986 Chevrolet C20 Suburban Silverado; 1975-1982 Chevrolet C30 Base; 1975-1981 Chevrolet C30 Cheyenne; 1981-1986 Chevrolet C30 Custom; 1975-1980 Chevrolet C30 Custom Deluxe; 1981 Chevrolet C30 Deluxe; 1975-1986 Chevrolet C30 Scottsdale; 1975-1986 Chevrolet C30 Silverado; 1963-1974 Chevrolet C30 Pickup Base; 1983-1991 Chevrolet C35 Base; 1975-1981 Chevrolet K10 Cheyenne; 1981-1986 Chevrolet K10 Custom; 1975-1980 Chevrolet K10 Custom Deluxe; 1981 Chevrolet K10 Deluxe; 1975-1986 Chevrolet K10 Scottsdale; 1975-1986 Chevrolet K10 Silverado; 1963-1974 Chevrolet K10 Pickup Base; 1967-1974 Chevrolet K10 Suburban Base; 1981-1986 Chevrolet K10 Suburban Custom; 1975-1980 Chevrolet K10 Suburban Custom Deluxe; 1981 Chevrolet K10 Suburban Deluxe; 1975-1986 Chevrolet K10 Suburban Scottsdale; 1975-1986 Chevrolet K10 Suburban Silverado; 1975-1981 Chevrolet K20 Cheyenne; 1981-1986 Chevrolet K20 Custom; 1975-1980 Chevrolet K20 Custom Deluxe; 1981 Chevrolet K20 Deluxe; 1975-1986 Chevrolet K20 Scottsdale; 1975-1986 Chevrolet K20 Silverado; 1963-1974 Chevrolet K20 Pickup Base; 1967-1974 Chevrolet K20 Suburban Base; 1981-1986 Chevrolet K20 Suburban Custom; 1975-1980 Chevrolet K20 Suburban Custom Deluxe; 1981 Chevrolet K20 Suburban Deluxe; 1975-1986 Chevrolet K20 Suburban Scottsdale; 1975-1986 Chevrolet K20 Suburban Silverado; 1977-1981 Chevrolet K30 Cheyenne; 1981-1986 Chevrolet K30 Custom; 1977-1980 Chevrolet K30 Custom Deluxe; 1981 Chevrolet K30 Deluxe; 1977-1986 Chevrolet K30 Scottsdale; 1977-1986 Chevrolet K30 Silverado; 1968-1974 Chevrolet K30 Pickup Base; 1976 Chevrolet K5 Blazer Base; 1975-1980 Chevrolet K5 Blazer Cheyenne; 1981-1986 Chevrolet K5 Blazer Custom; 1975-1980 Chevrolet K5 Blazer Custom Deluxe; 1981 Chevrolet K5 Blazer Deluxe; 1984 Chevrolet K5 Blazer Scottsdale; 1978-1986 Chevrolet K5 Blazer Silverado; 1987 Chevrolet R10 Custom Deluxe; 1987 Chevrolet R10 Scottsdale; 1987 Chevrolet R10 Silverado; 1987 Chevrolet R10 Suburban Custom Deluxe; 1987-1988 Chevrolet R10 Suburban Scottsdale; 1987-1988 Chevrolet R10 Suburban Silverado; 1989-1991 Chevrolet R1500 Suburban Scottsdale; 1989-1991 Chevrolet R1500 Suburban Silverado; 1988 Chevrolet R20 Cheyenne; 1987-1988 Chevrolet R20 Custom Deluxe; 1987-1988 Chevrolet R20 Scottsdale; 1987-1988 Chevrolet R20 Silverado; 1987 Chevrolet R20 Suburban Custom Deluxe; 1987-1988 Chevrolet R20 Suburban Scottsdale; 1987-1988 Chevrolet R20 Suburban Silverado; 1989 Chevrolet R2500 Cheyenne; 1989 Chevrolet R2500 Scottsdale; 1989 Chevrolet R2500 Silverado; 1989-1991 Chevrolet R2500 Suburban Scottsdale; 1989-1991 Chevrolet R2500 Suburban Silverado; 1988 Chevrolet R30 Cheyenne; 1987-1988 Chevrolet R30 Custom Deluxe; 1987-1988 Chevrolet R30 Scottsdale; 1987-1988 Chevrolet R30 Silverado; 1989-1991 Chevrolet R3500 Cheyenne; 1989-1990 Chevrolet R3500 Scottsdale; 1989-1991 Chevrolet R3500 Silverado; 1987 Chevrolet V10 Custom Deluxe; 1987 Chevrolet V10 Scottsdale; 1987 Chevrolet V10 Silverado; 1987 Chevrolet V10 Suburban Custom Deluxe; 1987-1988 Chevrolet V10 Suburban Scottsdale; 1987-1988 Chevrolet V10 Suburban Silverado; 1989-1991 Chevrolet V1500 Suburban Scottsdale; 1989-1991 Chevrolet V1500 Suburban Silverado; 1987 Chevrolet V20 Custom Deluxe; 1987 Chevrolet V20 Scottsdale; 1987 Chevrolet V20 Silverado; 1987 Chevrolet V20 Suburban Custom Deluxe; 1987-1988 Chevrolet V20 Suburban Scottsdale; 1987-1988 Chevrolet V20 Suburban Silverado; 1989-1991 Chevrolet V2500 Suburban Scottsdale; 1989-1991 Chevrolet V2500 Suburban Silverado; 1988 Chevrolet V30 Cheyenne; 1987-1988 Chevrolet V30 Custom Deluxe; 1987-1988 Chevrolet V30 Scottsdale; 1987-1988 Chevrolet V30 Silverado; 1989-1991 Chevrolet V3500 Cheyenne; 1989-1990 Chevrolet V3500 Scottsdale; 1989-1991 Chevrolet V3500 Silverado; 1975-1978 GMC C15 Base; 1977-1978 GMC C15 Heavy Half; 1975-1978 GMC C15 High Sierra; 1977 GMC C15 Indy Hauler; 1975-1978 GMC C15 Sierra Classic; 1975-1978 GMC C15 Sierra Grande; 1978 GMC C15 Street Coupe; 1975-1978 GMC C15 Suburban Base; 1975-1978 GMC C15 Suburban High Sierra; 1975-1978 GMC C15 Suburban Sierra Classic; 1975-1978 GMC C15 Suburban Sierra Grande; 1967-1974 GMC C15/C1500 Pickup Base; 1967-1974 GMC C15/C1500 Suburban Base; 1975-1978 GMC C25 Base; 1975-1978 GMC C25 High Sierra; 1975-1978 GMC C25 Sierra Classic; 1975-1978 GMC C25 Sierra Grande; 1975-1978 GMC C25 Suburban Base; 1975-1978 GMC C25 Suburban High Sierra; 1975-1978 GMC C25 Suburban Sierra Classic; 1975-1978 GMC C25 Suburban Sierra Grande; 1967-1974 GMC C25/C2500 Pickup Base; 1967-1974 GMC C25/C2500 Suburban Base; 1975-1978 GMC C35 Base; 1975-1978 GMC C35 High Sierra; 1975-1978 GMC C35 Sierra Classic; 1975-1978 GMC C35 Sierra Grande; 1967-1974 GMC C35/C3500 Pickup Base; 1970-1991 GMC Jimmy Base; 1975-1985 GMC Jimmy High Sierra; 1975-1990 GMC Jimmy Sierra Classic; 1975-1982 GMC Jimmy Sierra Grande; 1986 GMC Jimmy Silverado; 1978-1982 GMC Jimmy Street Coupe; 1975-1978 GMC K15 Base; 1975-1978 GMC K15 High Sierra; 1977 GMC K15 Indy Hauler; 1975-1978 GMC K15 Sierra Classic; 1975-1978 GMC K15 Sierra Grande; 1975-1978 GMC K15 Suburban Base; 1975-1978 GMC K15 Suburban High Sierra; 1975-1978 GMC K15 Suburban Sierra Classic; 1975-1978 GMC K15 Suburban Sierra Grande; 1966-1974 GMC K15/K1500 Pickup Base; 1967-1974 GMC K15/K1500 Suburban Base; 1975-1978 GMC K25 Base; 1975-1978 GMC K25 High Sierra; 1975-1978 GMC K25 Sierra Classic; 1975-1978 GMC K25 Sierra Grande; 1975-1978 GMC K25 Suburban Base; 1975-1978 GMC K25 Suburban High Sierra; 1975-1978 GMC K25 Suburban Sierra Classic; 1975-1978 GMC K25 Suburban Sierra Grande; 1967-1974 GMC K25/K2500 Pickup Base; 1967-1974 GMC K25/K2500 Suburban Base; 1977-1978 GMC K35 Base; 1977-1978 GMC K35 High Sierra; 1977-1978 GMC K35 Sierra Classic; 1977-1978 GMC K35 Sierra Grande; 1968-1974 GMC K35/K3500 Pickup Base; 1987-1991 GMC R1500 Suburban Base; 1987 GMC R1500 Suburban High Sierra; 1987-1989 GMC R1500 Suburban Sierra Classic; 1990 GMC R1500 Suburban SLE; 1987-1989 GMC R2500 Base; 1987-1989 GMC R2500 High Sierra; 1987-1989 GMC R2500 Sierra Classic; 1987-1991 GMC R2500 Suburban Base; 1987 GMC R2500 Suburban High Sierra; 1987-1989 GMC R2500 Suburban Sierra Classic; 1990 GMC R2500 Suburban SLE; 1987-1991 GMC R3500 Base; 1987-1989 GMC R3500 High Sierra; 1987-1989 GMC R3500 Sierra Classic; 1990-1991 GMC R3500 SLE; 1987-1991 GMC V1500 Suburban Base; 1987 GMC V1500 Suburban High Sierra; 1987-1989 GMC V1500 Suburban Sierra Classic; 1990 GMC V1500 Suburban SLE; 1987-1991 GMC V2500 Suburban Base; 1987 GMC V2500 Suburban High Sierra; 1987-1989 GMC V2500 Suburban Sierra Classic; 1990 GMC V2500 Suburban SLE; 1987-1991 GMC V3500 Base; 1987-1989 GMC V3500 High Sierra; 1987-1989 GMC V3500 Sierra Classic; 1990-1991 GMC V3500 SLE

We are an authorized retailer for all Hurst products. The standard manufacturer warranty applies. If you ever have manufacturer warranty concerns or questions on products you purchased from us, we can help! We are a family owned and operated company that values all of our customers. We are here to assist with all future warranty concerns!