McLeod Street Extreme GM 5.7L/6.5L/6.6L/7.0L/7.4L Diaphragm 12 X 1-1/8 X 10 Spline
Couldn't load pickup availability
All parts come with the essentials you need for a smooth fit and clear instructions. From performance upgrades to custom styling, unbox and get your ride ready with confidence!
Got questions?
Feel free to get in touch
Ask an expert
Buick: Wildcat 66 - 66 6.6 L Engine, Chevrolet: Brookwood 70 - 72 6.6 L Engine, Buick: Wildcat 66 - 66 7 L Engine, Chevrolet: Brookwood 69 - 69 7 L Engine, Chevrolet: C10 75 - 86 5.7 L Engine, Chevrolet: Brookwood 69 - 72 5.7 L Engine, Chevrolet: Malibu 73 - 74 7.4 L Engine, Chevrolet: Malibu 73 - 74 6.6 L Engine, Oldsmobile: 442 68 - 71 7.5 L Engine, Chevrolet: K5 Blazer 75 - 86 5.7 L Engine, Chevrolet: Malibu 73 - 81 5.7 L Engine, Chevrolet: C10 Suburban 75 - 84 5.7 L Engine, Oldsmobile: Vista Cruiser 70 - 73 7.5 L Engine, Chevrolet: K30 77 - 77 6.6 L Engine, Chevrolet: K30 77 - 86 5.7 L Engine, Chevrolet: K2500 88 - 90 5.7 L Engine, Chevrolet: Chevelle 70 - 72 6.6 L Engine, Chevrolet: Biscayne 70 - 72 7.4 L Engine, Chevrolet: Brookwood 69 - 69 6.5 L Engine, Chevrolet: K20 75 - 86 5.7 L Engine, Chevrolet: K20 Suburban 75 - 77 6.6 L Engine, Pontiac: GTO 70 - 71 7.5 L Engine, Pontiac: Catalina 67 - 69 7 L Engine, Pontiac: Grand Prix 67 - 69 7 L Engine, Chevrolet: C20 Suburban 75 - 84 7.4 L Engine, Pontiac: LeMans 70 - 71 7.5 L Engine, Chevrolet: C10 75 - 77 7.4 L Engine, Oldsmobile: Cutlass 70 - 73 7.5 L Engine, Chevrolet: V20 Suburban 87 - 88 5.7 L Engine, Chevrolet: K20 76 - 77 7.4 L Engine, Chevrolet: Biscayne 69 - 72 5.7 L Engine, Chevrolet: G30 75 - 76 7.4 L Engine, Chevrolet: Blazer 87 - 90 5.7 L Engine, Oldsmobile: F85 70 - 72 7.5 L Engine, Oldsmobile: Jetstar 88 64 - 66 5.4 L Engine, Chevrolet: Bel Air 63 - 69 7 L Engine, Chevrolet: Kingswood 70 - 71 6.6 L Engine, Oldsmobile: Vista Cruiser 68 - 69 6.6 L Engine, Pontiac: Grand Prix 70 - 71 7.5 L Engine, Oldsmobile: Vista Cruiser 64 - 67 5.4 L Engine, Chevrolet: Biscayne 63 - 69 7 L Engine, Chevrolet: R20 87 - 88 7.4 L Engine, Chevrolet: K5 Blazer 76 - 77 7.4 L Engine, Oldsmobile: Cutlass 65 - 68 6.6 L Engine, Chevrolet: Chevelle 70 - 72 5.7 L Engine, Chevrolet: Kingswood 69 - 69 6.5 L Engine, Pontiac: Catalina 70 - 71 7.5 L Engine, Buick: Electra 66 - 66 7 L Engine, Chevrolet: G30 75 - 77 6.6 L Engine, Pontia
Installation InstructionsInstallation Instructions
Installation Instructions
Installation Instructions
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1966 | Buick | Electra | Base |
| 1970 | Buick | Estate Wagon | Base |
| 1966 | Buick | Gran Sport | Base |
| 1970-1971 | Buick | GS | Base |
| 1968-1971 | Buick | LeSabre | Base |
| 1966,1968-1971 | Buick | Skylark | Base |
| 1968-1969 | Buick | Special | Base |
| 1968-1971 | Buick | Sportwagon | Base |
| 1966 | Buick | Wildcat | Base |
| 1961-1973 | Chevrolet | Bel Air | Base |
| 1961-1972 | Chevrolet | Biscayne | Base |
| 1969-1974 | Chevrolet | Blazer | Base |
| 1987 | Chevrolet | Blazer | Custom Deluxe |
| 1988-1990 | Chevrolet | Blazer | Scottsdale |
| 1987-1990 | Chevrolet | Blazer | Silverado |
| 1969-1972 | Chevrolet | Brookwood | Base |
| 1978-1980 | Chevrolet | C10 | Big Ten |
| 1975-1981 | Chevrolet | C10 | Cheyenne |
| 1981-1986 | Chevrolet | C10 | Custom |
| 1975-1980 | Chevrolet | C10 | Custom Deluxe |
| 1981 | Chevrolet | C10 | Deluxe |
| 1975-1986 | Chevrolet | C10 | Scottsdale |
| 1975-1986 | Chevrolet | C10 | Silverado |
| 1968-1974 | Chevrolet | C10 Suburban | Base |
| 1981-1984 | Chevrolet | C10 Suburban | Custom |
| 1975-1980 | Chevrolet | C10 Suburban | Custom Deluxe |
| 1981 | Chevrolet | C10 Suburban | Deluxe |
| 1975-1980,1982,1984 | Chevrolet | C10 Suburban | Scottsdale |
| 1975-1980,1982-1984 | Chevrolet | C10 Suburban | Silverado |
| 1988-1990 | Chevrolet | C1500 | Cheyenne |
| 1988-1990 | Chevrolet | C1500 | Scottsdale |
| 1988-1990 | Chevrolet | C1500 | Silverado |
| 1990 | Chevrolet | C1500 | WT |
| 1975-1981 | 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 |
| 1968-1974 | Chevrolet | C20 Suburban | Base |
| 1981-1984 | Chevrolet | C20 Suburban | Custom |
| 1975-1980 | Chevrolet | C20 Suburban | Custom Deluxe |
| 1981 | Chevrolet | C20 Suburban | Deluxe |
| 1975-1980,1982,1984 | Chevrolet | C20 Suburban | Scottsdale |
| 1975-1977,1979-1980,1982-1984 | Chevrolet | C20 Suburban | Silverado |
| 1988-1990 | Chevrolet | C2500 | Cheyenne |
| 1988-1990 | Chevrolet | C2500 | Scottsdale |
| 1988-1990 | Chevrolet | C2500 | Silverado |
| 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 |
| 1988-1990 | Chevrolet | C3500 | Cheyenne |
| 1988-1990 | Chevrolet | C3500 | Scottsdale |
| 1988-1990 | Chevrolet | C3500 | Silverado |
| 1967,1969-1980 | Chevrolet | Camaro | Base |
| 1979-1981 | Chevrolet | Camaro | Berlinetta |
| 1973,1975-1978 | Chevrolet | Camaro | LT |
| 1976-1978 | Chevrolet | Camaro | LT Rally Sport |
| 1976-1980 | Chevrolet | Camaro | Rally Sport |
| 1967,1969-1973,1975 | Chevrolet | Camaro | RS |
| 1981 | Chevrolet | Camaro | Sport |
| 1967-1972 | Chevrolet | Camaro | SS |
| 1970-1974,1977-1981 | Chevrolet | Camaro | Z28 |
| 1966-1972 | Chevrolet | Caprice | Base |
| 1964-1968 | Chevrolet | Chevelle | 300 |
| 1965-1969 | Chevrolet | Chevelle | 300 Deluxe |
| 1970-1972 | Chevrolet | Chevelle | Base |
| 1967-1972 | Chevrolet | Chevelle | Concours |
| 1969-1972 | Chevrolet | Chevelle | Concours Estate |
| 1973 | Chevrolet | Chevelle | Deluxe |
| 1969-1972 | Chevrolet | Chevelle | Greenbrier |
| 1971-1972 | Chevrolet | Chevelle | Heavy Chevy |
| 1973 | Chevrolet | Chevelle | Laguna |
| 1973 | Chevrolet | Chevelle | Laguna Estate |
| 1974-1975 | Chevrolet | Chevelle | Laguna Type S-3 |
| 1964-1977 | Chevrolet | Chevelle | Malibu |
| 1974-1977 | Chevrolet | Chevelle | Malibu Classic |
| 1974-1975 | Chevrolet | Chevelle | Malibu Classic Estate |
| 1973 | Chevrolet | Chevelle | Malibu Estate |
| 1964-1965 | Chevrolet | Chevelle | Malibu Super Sport |
| 1968-1972 | Chevrolet | Chevelle | Nomad |
| 1968 | Chevrolet | Chevelle | Nomad Custom |
| 1971-1973 | Chevrolet | Chevelle | SS |
| 1967-1970 | Chevrolet | Chevelle | SS 396 |
| 1970 | Chevrolet | Chevelle | SS 454 |
| 1988 | Chevrolet | Corvette | 35th Anniversary Edition |
| 1965-1974,1977-1981,1984-1990 | Chevrolet | Corvette | Base |
| 1978,1986 | Chevrolet | Corvette | Indianapolis 500 Pace Car |
| 1978 | Chevrolet | Corvette | Silver Anniversary Edition |
| 1975-1976 | Chevrolet | Corvette | Stingray |
| 1990 | Chevrolet | Corvette | ZR-1 |
| 1966-1979 | Chevrolet | El Camino | Base |
| 1975-1977 | Chevrolet | El Camino | Classic |
| 1977-1978 | Chevrolet | El Camino | Conquista |
| 1979 | Chevrolet | El Camino | Royal Knight |
| 1975-1979 | Chevrolet | El Camino | SS |
| 1975-1980 | Chevrolet | G10 | Beauville |
| 1986-1987 | Chevrolet | G10 | Bonaventure |
| 1975-1980 | Chevrolet | G10 | Chevy Van |
| 1975-1990 | Chevrolet | G10 | Sportvan |
| 1975-1982,1984-1990 | Chevrolet | G20 | Beauville |
| 1984 | Chevrolet | G20 | Bonaventure |
| 1975-1982,1984-1990 | Chevrolet | G20 | Chevy Van |
| 1978-1981 | Chevrolet | G20 | Nomad |
| 1975-1990 | Chevrolet | G20 | Sportvan |
| 1970-1974 | Chevrolet | G20 Van | Base |
| 1975-1990 | Chevrolet | G30 | Beauville |
| 1983-1984 | Chevrolet | G30 | Bonaventure |
| 1975-1990 | Chevrolet | G30 | Chevy Van |
| 1975-1990 | Chevrolet | G30 | Hi-Cube |
| 1975-1990 | Chevrolet | G30 | Sportvan |
| 1961-1973 | Chevrolet | Impala | 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 |
| 1968-1974 | Chevrolet | K10 Suburban | Base |
| 1981-1984 | Chevrolet | K10 Suburban | Custom |
| 1975-1980 | Chevrolet | K10 Suburban | Custom Deluxe |
| 1981 | Chevrolet | K10 Suburban | Deluxe |
| 1975-1980,1982,1984 | Chevrolet | K10 Suburban | Scottsdale |
| 1975-1977,1979-1980,1982-1983 | Chevrolet | K10 Suburban | Silverado |
| 1988-1990 | Chevrolet | K1500 | Cheyenne |
| 1988-1990 | Chevrolet | K1500 | Scottsdale |
| 1988-1990 | Chevrolet | K1500 | Silverado |
| 1990 | Chevrolet | K1500 | WT |
| 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 |
| 1975-1983,1985-1986 | Chevrolet | K20 | Silverado |
| 1968-1974 | Chevrolet | K20 Suburban | Base |
| 1981-1984 | Chevrolet | K20 Suburban | Custom |
| 1975-1980 | Chevrolet | K20 Suburban | Custom Deluxe |
| 1981 | Chevrolet | K20 Suburban | Deluxe |
| 1975-1980,1982,1984 | Chevrolet | K20 Suburban | Scottsdale |
| 1975-1977,1979-1980,1982-1983 | Chevrolet | K20 Suburban | Silverado |
| 1988-1990 | Chevrolet | K2500 | Cheyenne |
| 1988-1990 | Chevrolet | K2500 | Scottsdale |
| 1988-1990 | Chevrolet | K2500 | 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 |
| 1988-1990 | Chevrolet | K3500 | Cheyenne |
| 1988-1990 | Chevrolet | K3500 | Scottsdale |
| 1988-1990 | Chevrolet | K3500 | Silverado |
| 1976 | Chevrolet | K5 Blazer | Base |
| 1975-1980 | Chevrolet | K5 Blazer | Cheyenne |
| 1981-1986 | Chevrolet | K5 Blazer | Custom |
| 1975,1977-1980 | Chevrolet | K5 Blazer | Custom Deluxe |
| 1981 | Chevrolet | K5 Blazer | Deluxe |
| 1984 | Chevrolet | K5 Blazer | Scottsdale |
| 1978,1980-1986 | Chevrolet | K5 Blazer | Silverado |
| 1969-1971 | Chevrolet | Kingswood | Base |
| 1978-1981 | Chevrolet | Malibu | Base |
| 1978-1979 | Chevrolet | Malibu | Classic |
| 1978-1979 | Chevrolet | Malibu | Classic Estate |
| 1978-1979 | Chevrolet | Malibu | Classic Landau |
| 1979 | Chevrolet | Malibu | Classic Sport |
| 1979-1980 | Chevrolet | Malibu | Estate |
| 1979 | Chevrolet | Malibu | Landau |
| 1979 | Chevrolet | Malibu | Police |
| 1979-1980 | Chevrolet | Malibu | Sport |
| 1970-1974 | Chevrolet | Monte Carlo | Base |
| 1976 | Chevrolet | Monte Carlo | Landau |
| 1975-1977 | Chevrolet | Monte Carlo | S |
| 1961 | Chevrolet | Nomad | Base |
| 1969-1979 | Chevrolet | Nova | Base |
| 1976-1977 | Chevrolet | Nova | Concours |
| 1975,1978-1979 | Chevrolet | Nova | Custom |
| 1975 | Chevrolet | Nova | LN |
| 1975-1978 | Chevrolet | Nova | Police |
| 1977-1979 | Chevrolet | Nova | Rally |
| 1976 | Chevrolet | Nova | SS |
| 1975,1977-1978 | Chevrolet | P10 | Base |
| 1975,1977-1978 | Chevrolet | P10 | Step-Van |
| 1975-1989 | Chevrolet | P20 | Base |
| 1975-1985,1987-1989 | Chevrolet | P20 | Step-Van |
| 1975-1990 | Chevrolet | P30 | Base |
| 1975-1985,1987-1990 | Chevrolet | P30 | Step-Van |
| 1987 | Chevrolet | R10 | Custom Deluxe |
| 1987 | Chevrolet | R10 | Scottsdale |
| 1987 | Chevrolet | R10 | 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 |
