Soft Lok - The McLeod Soft Lok assembly is the most widely used McLeod clutch assembly for drag racers, and is not recommended for street use. This unit is an NHRA and IHRA record holder. Low static pressure for light pedal effort and soft clutch engagement. Leave the starting line harder with less tire spin. Enough holding power for the entire run. Adjustable spring pressure and counter weights. Kit includes adjustable long style pressure plate, sintered iron 5135 compound disc and billet aluminum flywheel. SFI Rated and made in the USA! Additional Counter Weight Kit Required Chevrolet: Blazer 87 - 87 5 L Engine, Chevrolet: Blazer 87 - 92 5.7 L Engine, Chevrolet: C10 86 - 86 5 L Engine, Chevrolet: C10 86 - 86 5.7 L Engine, Chevrolet: C1500 88 - 92 5 L Engine, Chevrolet: C1500 88 - 92 5.7 L Engine, Chevrolet: C20 86 - 86 5 L Engine, Chevrolet: C20 86 - 86 5.7 L Engine, Chevrolet: C2500 88 - 92 5 L Engine, Chevrolet: C2500 88 - 92 5.7 L Engine, Chevrolet: C30 86 - 86 5.7 L Engine, Chevrolet: C3500 88 - 92 5.7 L Engine, Chevrolet: Camaro 86 - 92 5 L Engine, Chevrolet: Camaro 87 - 92 5.7 L Engine, Chevrolet: Corvette 86 - 92 5.7 L Engine, Chevrolet: G10 86 - 90 5 L Engine, Chevrolet: G10 86 - 90 5.7 L Engine, Chevrolet: G20 86 - 90 5 L Engine, Chevrolet: G20 86 - 90 5.7 L Engine, Chevrolet: G30 86 - 90 5.7 L Engine, Chevrolet: K10 86 - 86 5 L Engine, Chevrolet: K10 86 - 86 5.7 L Engine, Chevrolet: K1500 88 - 92 5 L Engine, Chevrolet: K1500 88 - 92 5.7 L Engine, Chevrolet: K20 86 - 86 5.7 L Engine, Chevrolet: K2500 88 - 92 5 L Engine, Chevrolet: K2500 88 - 92 5.7 L Engine, Chevrolet: K30 86 - 86 5.7 L Engine, Chevrolet: K3500 88 - 92 5.7 L Engine, Chevrolet: K5 Blazer 86 - 86 5 L Engine, Chevrolet: K5 Blazer 86 - 86 5.7 L Engine, Chevrolet: P20 86 - 89 5.7 L Engine, Chevrolet: P30 86 - 92 5.7 L Engine, Chevrolet: R10 87 - 87 5 L Engine, Chevrolet: R10 87 - 87 5.7 L Engine, Chevrolet: R20 87 - 88 5 L Engine, Chevrolet: R20 87 - 88 5.7 L Engine, Chevrolet: R20 Suburban 87 - 88 5.7 L Engine, Chevrolet: R2500 89 - 89 5.7 L Engine, Chevrolet: R30 87 - 88 5.7 L Engine, Chevrolet: R3500 89 - 91 5.7 L Engine, Chevrolet: V10 87 - 87 5 L Engine, Chevrolet: V10 87 - 87 5.7 L Engine, Chevrolet: V10 Suburban 87 - 88 5.7 L Engine, Chevrolet: V1500 Suburban 89 - 90 5.7 L Engine, Chevrolet: V20 87 - 87 5.7 L Engine, Chevrolet: V20 Suburban 87 - 88 5.7 L Engine, Chevrolet: V30 87 - 88 5.7 L Engine, Chevrolet: V3500 89 - 91 5.7 L Engine