Quick Overview PREMIUM GRADE: Raybestos R-Line Brake Drums make it easy to replace worn brake drums that are prone to uneven braking and premature lockup for dependable braking performance OE SPECIFICATIONS: Developed from OE samples and made with G3000-qualified material, ensuring form, fit and function for the best operation and ultimate strength PRECISION BALANCED: Each drum is 100 percent validated for balance, assuring smooth and quiet braking RIGOROUSLY TESTED: Meets the SAE standard for tensile strength, providing structural integrity and a maximum service life VEHICLE FIT: Chevrolet Blazer 1974, 1987-1991, K10 1975-1986, K10 Pickup 1971-1974, K10 Suburban 1971-1986, K5 Blazer 1975-1986, V10 1987, V10 Suburban 1987-1988, V1500 Suburban 1989-1991 VEHICLE FIT: GMC Jimmy 1974-1991, K15 1975-1978, K15 Suburban 1975-1978, K15/K1500 Pickup 1971-1974, K15/K1500 Suburban 1971-1974, K1500 1979-1986, K1500 Suburban 1979-1986, V1500 1987, V1500 Suburban 1987-1991 Raybestos 9764R R-Line Rear Brake Drums are designed to match OE form, fit and function for the best operation and ultimate strength in braking. Developed from OE samples and made with G3000-qualified material, an advanced technology metallurgy which offers long lasting durability, these rear brake drums are 100 percent validated for balance, assuring smooth and quiet braking. Raybestos R-Line Drums meet the SAE standard for tensile strength, guaranteeing structural integrity and maximum service life for car and truck vehicles that require severe-duty performance.