# ACT GM3-HDSS HD/Perf Street Sprung for 1979 Buick Century ACT Heavy-Duty Clutch Kits are high quality products guaranteeing superior functionality and efficiency. These products provide a clamp load increase up to 50 percent, increasing torque capacity. **Key Features:** - 10.5" - Fits 10 spline transmission - Spline Size (Inches): 1-1/8 - Disc Type: Street Disc - Spline Count: 10 - Product Weight (lbs.): 22.1 - Torque Capacity (ft./lbs.): 620 - Light to moderate pedal effort, smooth positive engagement, OE to mild gear rattle - Longer friction life, extended by ACT's exclusive diaphragm design - Carefully engineered, precisely assembled, accurately balanced, with premium organic friction materials for heat tolerance and reduced fade - Recommended for street and race use - 100% clamp load tested and dynamically computer balanced for smooth high RPM reliability GM3-HDSS kit features ACT's most popular Heavy Duty pressure plate and most popular street disc. ACT Heavy Duty pressure plates use exclusive diaphragm design to increase clamp load, reduce deflection and maximize clutch life. All diaphragms endure a four-stage, heat-treating process for unparalleled performance. ACT pressure plates have precision cover stampings to provide rigidity and consistency. ACT's Performance Street discs feature premium organic materials with high copper content for better heat transfer and steel-backed lining for greater burst strength and durability. These discs have reduced marcel for faster shift action to complement ACT pressure plates, with increased strength and reliability. Since 1994, Advanced Clutch Technology has specialized in performance clutches and flywheels. All products are made from the highest quality materials and then necessarily tested to ensure they perform to the customers' expectations. ### Vehicle Fitment Table Year Make Model Position Fitment Precision Note 1979 Buick Century Trim: CUSTOM, LIMITED, SPECIAL, SPORT; Engine: 3.2L 1973 Buick Regal Trim: BASE; Engine: 5.7L 1979 Buick Regal Trim: BASE, LIMITED, SPORT; Engine: 3.8L 1970 Buick Skylark Trim: BASE; Engine: 5.7L 1971 Buick Skylark Trim: BASE; Engine: 5.7L 1972 Buick Skylark Trim: BASE; Engine: 5.7L 1978 Buick Skylark Trim: BASE, CUSTOM, S, SPORT; Engine: 3.8L 1979 Buick Skylark Trim: BASE, CUSTOM, S; Engine: 3.8L 1955 Chevrolet BEL AIR Trim: BASE, Beauville, Nomad; Engine: 4.3L 1956 Chevrolet BEL AIR Trim: BASE, Beauville, Nomad; Engine: 4.3L 1957 Chevrolet BEL AIR Trim: BASE, Nomad; Engine: 4.6L 1958 Chevrolet BEL AIR Trim: BASE; Engine: 4.6L, 5.7L 1959 Chevrolet BEL AIR Trim: BASE; Engine: 4.6L, 5.7L 1960 Chevrolet BEL AIR Trim: BASE; Engine: 4.6L, 5.7L 1961 Chevrolet BEL AIR Trim: BASE; Engine: 4.6L, 5.7L, 6.7L 1962 Chevrolet BEL AIR Trim: BASE; Engine: 4.6L, 5.3L, 6.7L 1963 Chevrolet BEL AIR Trim: BASE; Engine: 4.6L, 5.3L, 6.7L 1964 Chevrolet BEL AIR Trim: BASE; Engine: 4.6L, 5.3L, 6.7L 1965 Chevrolet BEL AIR Trim: BASE; Engine: 4.6L, 5.3L, 6.7L 1966 Chevrolet BEL AIR Trim: BASE; Engine: 4.6L, 5.3L 1967 Chevrolet BEL AIR Trim: BASE; Engine: 4.6L, 5.3L 1968 Chevrolet BEL AIR Trim: BASE; Engine: 5.3L 1969 Chevrolet BEL AIR Trim: BASE; Engine: 5.3L, 5.7L 1970 Chevrolet BEL AIR Trim: BASE; Engine: 5.7L 1971 Chevrolet BEL AIR Trim: BASE; Engine: 5.7L 1972 Chevrolet BEL AIR Trim: BASE; Engine: 5.7L 1973 Chevrolet BEL AIR Trim: BASE; Engine: 5.7L 1958 Chevrolet Biscayne Trim: BASE; Engine: 3.8L, 4.6L, 5.7L 1959 Chevrolet Biscayne Trim: BASE; Engine: 3.8L, 4.6L, 5.7L 1960 Chevrolet Biscayne Trim: BASE; Engine: 3.8L, 4.6L, 5.7L 1961 Chevrolet Biscayne Trim: BASE; Engine: 3.8L, 4.6L, 5.7L, 6.7L 1962 Chevrolet Biscayne Trim: BASE; Engine: 3.8L, 4.6L, 5.3L, 6.7L 1963 Chevrolet Biscayne Trim: BASE; Engine: 4.6L, 5.3L, 6.7L 1964 Chevrolet Biscayne Trim: BASE; Engine: 4.6L, 5.3L, 6.7L 1965 Chevrolet Biscayne Trim: BASE; Engine: 4.6L, 5.3L 1966 Chevrolet Biscayne Trim: BASE; Engine: 4.6L, 5.3L 1967 Chevrolet Biscayne Trim: BASE; Engine: 4.6L, 5.3L 1968 Chevrolet Biscayne Trim: BASE; Engine: 5.3L 1969 Chevrolet Biscayne Trim: BASE; Engine: 5.3L, 5.7L 1970 Chevrolet Biscayne Trim: BASE; Engine: 5.7L 1971 Chevrolet Biscayne Trim: BASE; Engine: 5.7L 1972 Chevrolet Biscayne Trim: BASE; Engine: 5.7L 1967 Chevrolet Camaro Trim: BASE, RS, Z28; Engine: 4.9L, 5.3L 1968 Chevrolet Camaro Trim: BASE, RS, Z28; Engine: 4.9L, 5.3L 1969 Chevrolet Camaro Trim: BASE, RS, Z28; Engine: 4.9L, 5.0L, 5.3L, 5.7L 1970 Chevrolet Camaro Trim: BASE, RS, Ss, Z28; Engine: 5.0L, 5.7L 1971 Chevrolet Camaro Trim: BASE, RS, Ss, Z28; Engine: 5.0L, 5.7L 1972 Chevrolet Camaro Trim: BASE, RS, Ss, Z28; Engine: 5.0L, 5.7L 1973 Chevrolet Camaro Trim: BASE, LT, RS, Z28; Engine: 5.0L, 5.7L 1974 Chevrolet Camaro Trim: BASE, Z28; Engine: 5.7L 1975 Chevrolet Camaro Trim: BASE, LT, RS; Engine: 5.7L 1976 Chevrolet Camaro Trim: BASE, LT, LT Rally Sport, RALLY SPORT; Engine: 5.0L, 5.7L 1977 Chevrolet Camaro Trim: BASE, LT, LT Rally Sport, RALLY SPORT, Z28; Engine: 5.0L, 5.7L 1978 Chevrolet Camaro Trim: BASE, LT, LT Rally Sport, RALLY SPORT; Engine: 5.0L, 5.7L 1979 Chevrolet Camaro Trim: BASE, BERLINETTA, RALLY SPORT, Z28; Engine: 4.1L, 5.0L, 5.7L 1980 Chevrolet Camaro Trim: BASE, BERLINETTA, RALLY SPORT, Z28; Engine: 3.8L, 5.0L 1981 Chevrolet Camaro Trim: BERLINETTA, SPORT, Z28; Engine: 3.8L, 5.0L 1982 Chevrolet Camaro Trim: BERLINETTA, SPORT, Z28, Z28 INDIANAPOLIS 500 PACE CAR; Engine: 5.0L 1968 Chevrolet Chevelle Trim: BASE; Engine: 5.0L 1970 Chevrolet Chevelle Trim: BASE; Engine: 5.0L, 5.7L 1971 Chevrolet Chevelle Trim: BASE; Engine: 5.0L, 5.7L 1972 Chevrolet Chevelle Trim: BASE; Engine: 5.0L, 5.7L 1963 Chevrolet Chevy II Trim: BASE; Engine: 4.6L 1964 Chevrolet Chevy II Trim: BASE; Engine: 4.6L 1965 Chevrolet Chevy II Trim: BASE; Engine: 4.6L, 5.3L 1966 Chevrolet Chevy II Trim: BASE; Engine: 4.6L, 5.3L 1967 Chevrolet Chevy II Trim: BASE; Engine: 4.6L, 5.3L 1965 Chevrolet Corvette Trim: BASE; Engine: 5.3L 1966 Chevrolet Corvette Trim: BASE; Engine: 5.3L, 7.0L 1967 Chevrolet Corvette Trim: BASE; Engine: 5.3L, 7.0L 1968 Chevrolet Corvette Trim: BASE; Engine: 5.3L, 7.0L 1969 Chevrolet Corvette Trim: BASE; Engine: 5.7L, 7.0L 1970 Chevrolet Corvette Trim: BASE; Engine: 5.7L 1971 Chevrolet Corvette Trim: BASE; Engine: 5.7L 1978 Chevrolet Corvette Trim: BASE, INDIANAPOLIS 500 PACE CAR, SILVER ANNIVERSARY EDITION; Engine: 5.7L 1968 Chevrolet EL Camino Trim: BASE; Engine: 5.0L, 5.7L 1969 Chevrolet EL Camino Trim: BASE; Engine: 5.0L, 5.7L 1970 Chevrolet EL Camino Trim: BASE; Engine: 5.0L, 5.7L 1971 Chevrolet EL Camino Trim: BASE; Engine: 5.0L, 5.7L 1972 Chevrolet EL Camino Trim: BASE; Engine: 5.0L, 5.7L 1973 Chevrolet EL Camino Trim: BASE; Engine: 5.0L, 5.7L 1974 Chevrolet EL Camino Trim: BASE; Engine: 5.7L 1975 Chevrolet EL Camino Trim: BASE, Classic, Ss; Engine: 5.7L 1976 Chevrolet EL Camino Trim: BASE, Classic, Ss; Engine: 5.0L, 5.7L 1977 Chevrolet EL Camino Trim: BASE, Classic, Conquista, Ss; Engine: 5.0L, 5.7L 1978 Chevrolet EL Camino Trim: BASE, Conquista, Ss; Engine: 3.3L, 3.8L, 5.0L, 5.7L 1979 Chevrolet EL Camino Trim: BASE, ROYAL KNIGHT, Ss; Engine: 3.3L, 3.8L, 5.0L, 5.7L 1980 Chevrolet EL Camino Trim: BASE, ROYAL KNIGHT, Ss; Engine: 3.8L, 5.0L 1981 Chevrolet EL Camino Trim: BASE, Conquista, ROYAL KNIGHT, Ss; Engine: 3.8L, 5.0L 1958 Chevrolet Impala Trim: BASE; Engine: 3.8L, 4.6L, 5.7L 1959 Chevrolet Impala Trim: BASE; Engine: 3.8L, 4.6L, 5.7L 1960 Chevrolet Impala Trim: BASE; Engine: 3.8L, 4.6L, 5.7L 1961 Chevrolet Impala Trim: BASE; Engine: 3.8L, 4.6L, 5.7L, 6.7L 1962 Chevrolet Impala Trim: BASE; Engine: 3.8L, 4.6L, 5.3L, 6.7L 1963 Chevrolet Impala Trim: BASE; Engine: 4.6L, 5.3L, 6.7L 1964 Chevrolet Impala Trim: BASE; Engine: 4.6L, 5.3L, 6.7L 1965 Chevrolet Impala Trim: BASE; Engine: 4.6L, 5.3L, 6.7L 1966 Chevrolet Impala Trim: BASE; Engine: 4.6L, 5.3L 1967 Chevrolet Impala Trim: BASE; Engine: 4.6L, 5.3L 1968 Chevrolet Impala Trim: BASE; Engine: 5.3L 1969 Chevrolet Impala Trim: BASE; Engine: 5.3L, 5.7L 1970 Chevrolet Impala Trim: BASE; Engine: 5.7L 1971 Chevrolet Impala Trim: BASE; Engine: 5.7L 1972 Chevrolet Impala Trim: BASE; Engine: 5.7L 1973 Chevrolet Impala Trim: BASE; Engine: 5.7L 1973 Chevrolet Malibu Trim: BASE; Engine: 5.0L, 5.7L 1974 Chevrolet Malibu Trim: BASE; Engine: 5.7L 1975 Chevrolet Malibu Trim: Classic; Engine: 5.7L 1978 Chevrolet Malibu Trim: BASE, Classic, Classic Estate, Classic Landau; Engine: 3.3L, 3.8L, 5.0L, 5.7L 1979 Chevrolet Malibu Trim: BASE, Classic, Classic Estate, Classic Landau, Classic Sport, Estate, Landau, Police, SPORT; Engine: 3.3L, 3.8L, 5.0L, 5.7L 1980 Chevrolet Malibu Trim: BASE, Classic, Classic Estate, Classic Landau, Classic Sport, Estate, SPORT; Engine: 3.8L, 5.0L, 5.7L 1981 Chevrolet Malibu Trim: BASE, Classic, Classic Landau; Engine: 3.8L, 5.0L, 5.7L 1970 Chevrolet Monte Carlo Trim: BASE; Engine: 5.7L 1971 Chevrolet Monte Carlo Trim: BASE; Engine: 5.7L 1972 Chevrolet Monte Carlo Trim: BASE; Engine: 5.7L 1973 Chevrolet Monte Carlo Trim: BASE; Engine: 5.7L 1974 Chevrolet Monte Carlo Trim: BASE; Engine: 5.7L 1975 Chevrolet Monte Carlo Trim: S; Engine: 5.7L 1978 Chevrolet Monte Carlo Trim: Landau, SPORT; Engine: 3.3L, 3.8L, 5.0L 1979 Chevrolet Monte Carlo Trim: BASE, Landau; Engine: 3.3L, 3.8L, 5.0L 1981 Chevrolet Monte Carlo Trim: BASE, Landau; Engine: 3.8L, 5.0L 1969 Chevrolet NOVA Trim: BASE; Engine: 5.0L, 5.7L 1970 Chevrolet NOVA Trim: BASE; Engine: 5.0L, 5.7L 1971 Chevrolet NOVA Trim: BASE; Engine: 5.0L, 5.7L 1972 Chevrolet NOVA Trim: BASE; Engine: 5.0L, 5.7L 1973 Chevrolet NOVA Trim: BASE; Engine: 5.0L, 5.7L 1974 Chevrolet NOVA Trim: BASE; Engine: 5.7L 1975 Chevrolet NOVA Trim: BASE, CUSTOM, LN, Police; Engine: 4.3L, 5.7L 1976 Chevrolet NOVA Trim: BASE, CONCOURS, Police, Ss; Engine: 5.0L, 5.7L 1977 Chevrolet NOVA Trim: BASE, CONCOURS, Police, Rally; Engine: 5.0L, 5.7L 1978 Chevrolet NOVA Trim: BASE, CUSTOM, Police, Rally; Engine: 5.0L, 5.7L 1979 Chevrolet NOVA Trim: BASE, CUSTOM, Rally; Engine: 4.1L, 5.0L, 5.7L 1965 Oldsmobile Cutlass Trim: BASE; Engine: 5.4L 1966 Oldsmobile Cutlass Trim: BASE; Engine: 5.4L 1967 Oldsmobile Cutlass Trim: BASE; Engine: 5.4L 1979 Oldsmobile Cutlass Trim: Vista Cruiser, Vista Cruiser Brougham; Engine: 3.8L, 5.0L 1980 Oldsmobile Cutlass Trim: BASE; Engine: 3.8L 1981 Oldsmobile Cutlass Trim: Brougham; Engine: 3.8L 1973 Oldsmobile Omega Trim: BASE; Engine: 5.7L 1979 Oldsmobile Omega Trim: BASE, Brougham, Brougham LS; Engine: 3.8L, 5.0L 1967 Pontiac Firebird Trim: 326, BASE; Engine: 5.3L, 6.6L 1968 Pontiac Firebird Trim: BASE; Engine: 4.1L, 6.6L 1969 Pontiac Firebird Trim: BASE; Engine: 4.1L, 5.7L 1970 Pontiac Firebird Trim: BASE; Engine: 5.7L 1971 Pontiac Firebird Trim: BASE; Engine: 5.7L, 6.6L 1972 Pontiac Firebird Trim: BASE; Engine: 6.6L 1977 Pontiac Firebird Trim: BASE, Esprit, FORMULA; Engine: 4.9L 1978 Pontiac Firebird Trim: BASE, Esprit, FORMULA; Engine: 5.7L 1979 Pontiac Firebird Trim: BASE, Esprit, FORMULA; Engine: 3.8L, 5.0L 1980 Pontiac Firebird Trim: BASE, Esprit, FORMULA, TRANS AM; Engine: 3.8L, 4.9L, 5.0L 1981 Pontiac Firebird Trim: BASE, Esprit, FORMULA, TRANS AM; Engine: 3.8L, 5.0L 1982 Pontiac Firebird Trim: BASE, S/E, TRANS AM; Engine: 5.0L 1964 Pontiac GTO Trim: BASE; Engine: 6.4L 1965 Pontiac GTO Trim: BASE; Engine: 6.4L 1966 Pontiac GTO Trim: BASE; Engine: 6.4L 1969 Pontiac GTO Trim: BASE; Engine: 6.6L 1970 Pontiac GTO Trim: BASE; Engine: 6.6L 1971 Pontiac GTO Trim: BASE; Engine: 6.6L 1979 Pontiac Lemans Trim: BASE, Safari; Engine: 3.8L, 4.9L ### FAQ **Will this fit my vehicle?** Please verify your year, make, model, position, and any fitment notes using the compatibility table above before purchase. **What part number is this?** The listed part number is GM3-HDSS. **Is this product designed for direct replacement?** Yes. This product is intended to match the compatible vehicle applications listed in the fitment table. **Should I confirm fitment before ordering?** Yes. Always compare your original part, position, and vehicle details with the fitment table before ordering. ### Common Searches - HD/Perf Street Sprung for Buick Century - GM3-HDSS fitment - ACT HD/Perf Street Sprung - 1979 Buick Century HD/Perf Street Sprung - ACT GM3-HDSS replacement ## Details - **Price:** 1357.09 CAD - **Vendor:** ACT - **Type:** HD/Perf Street Sprung - **Tags:** 1979 Buick Century, ACT, Clutch, Clutch Disc, Flywheel, GM3-HDSS, HD/Perf Street Sprung, Performance Clutch, Pressure Plate ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 1357.09 CAD | In stock | ## Images - ACT GM3-HDSS HD/Perf Street Sprung for 1979 Buick Century --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/act-gm3-hdss-hd-perf-street-sprung) > Updated: 2026-10-17