Details:

• Material: MLS
• Compressed Thickness: .040
• Bore Shape: Round
• Bore Size (IN): 4.125
• # of layers: 3
• Orientation: None

Application list:

Buick
    Apollo (1973-1975)
    Skylark (1968-1971)
    Special (1968-1969)
Checker
    A11 (1970-1974)
    A11E (1970-1974)
    Deluxe (1969-1970)
    Marathon (1965-1979)
    Taxicab (1969-1974)
Chevrolet
    Bel Air (1963-1973)
    Biscayne (1963-1972)
    Blazer (1969-1974)
    Brookwood (1969-1972)
    C10 (1975-1984)
    C10 Panel (1963-1967)
    C10 Pickup (1963-1974)
    C10 Suburban (1967-1980)
    C20 (1975-1984)
    C20 Panel (1967)
    C20 Pickup (1963-1974)
    C20 Suburban (1967-1982)
    C30 (1975-1984)
    C30 Panel (1963-1966)
    C30 Pickup (1963-1974)
    Camaro (1967-1979)
    Caprice (1967-1969, 1971-1974, 1977-1979)
    Chevelle (1964-1973)
    Chevy II (1962-1968)
    El Camino (1964-1977)
    Estate (1969-1970)
    G10 (1975-1984)
    G10 Van (1964-1984)
    G20 (1975-1984)
    G20 Van (1967-1984)
    G30 (1975-1979, 1981-1984)
    G30 Van (1970-1978)
    Impala (1963-1974, 1977-1979)
    K10 (1975-1984)
    K10 Pickup (1963-1974)
    K10 Suburban (1967-1980)
    K20 (1975-1984)
    K20 Panel (1967)
    K20 Pickup (1963-1974)
    K20 Suburban (1967-1982)
    K30 (1977-1984)
    K30 Pickup (1968-1974)
    K5 Blazer (1975-1978)
    Kingswood (1969-1972)
    Malibu (1964-1967, 1973-1977)
    Nova (1969-1979)
    Suburban (1963-1966)
GMC
    1000 Pickup (1966)
    1000 Series (1965)
    1000 Series Pickup (1963-1965)
    1500 Pickup (1966)
    1500 Series Pickup (1963-1965)
    2500 Series Pickup (1963-1966)
    3000 Pickup (1963-1966)
    3500 Pickup (1963-1966)
    C15 Suburban (1975-1978)
    C15/C1500 Suburban (1967-1974)
    C1500 Pickup (1967-1984)
    C1500 Suburban (1979-1980)
    C25 Suburban (1975-1978)
    C25/C2500 Pickup (1967-1978)
    C25/C2500 Suburban (1967-1974)
    C2500 Pickup (1979-1984)
    C2500 Suburban (1979)
    C35/C3500 Pickup (1967-1980)
    C3500 Pickup (1979-1984)
    G1000 Series (1963-1965)
    G1000 Series Van (1964-1966)
    G15/G1500 Van (1967-1984)
    G25/G2500 Van (1967-1984)
    G35/G3500 Van (1970-1979, 1982-1984)
    I1000 (1964-1966)
    I1500 (1965-1966)
    I2500 (1965-1966)
    I3500 (1966)
    Jimmy (1970-1982)
    K15 Suburban (1975-1978)
    K15/K1500 (1968)
    K15/K1500 Pickup (1968)
    K15/K1500 Suburban (1967-1974)
    K1500 Pickup (1967-1984)
    K1500 Suburban (1979-1980)
    K25 Pickup (1975-1978)
    K25 Suburban (1975-1978)
    K25/K2500 Pickup (1967-1974)
    K25/K2500 Suburban (1967-1974)
    K2500 Pickup (1979-1984)
    K2500 Suburban (1979)
    K35 Pickup (1977-1978)
    K35/K3500 Pickup (1968-1974)
    K3500 Pickup (1979-1984)
    LI3500 (1966-1967)
    P1000 (1966)
    P25/P2500 Van (1975)
    Sprint (1971-1977)
    Suburban (1963-1966)
Oldsmobile
    Cutlass (1967-1971, 1975-1976)
    Cutlass Supreme (1975-1976)
    F85 (1966-1971)
    Omega (1973-1976)
Pontiac
    Acadian (1962-1971)
    Beaumont (1964-1969)
    Catalina (1974-1974, 1977-1979)
    Firebird (1968-1976)
    Grand LeMans (1975-1977)
    Laurentian (1966-1969, 1977-1979)
    LeMans (1968-1977)
    Parisienne (1966-1970, 1974-1974, 1977-1979)
    Strato-Chief (1966-1970)
    Tempest (1968-1970)
    Ventura (1971-1976)