Chevrolet Small Block Chevy Crankshaft Casting Numbers SBC

Discussion in 'Hi-Perfromance Engines' started by HotRodCarts, May 1, 2017.

  1. HotRodCarts

    HotRodCarts Administrator Staff Member

    Crankshaft Identification - GM Crankshaft Casting Numbers
    Small Block Chevy Crank Casting numbers

    Casting Number - CID - Years - Journals - Stroke - Comments


    1130 - 307/327 - 1968-73 - 2.45/2.10 - 3.25 - Nodular Iron
    1178 - 302 - 2.45/2.10 - 3 - Forged
    1181 - 305/350 - 1968-76 - 2.45/2.10 - 3.48 - Nodular Iron
    1182 - 350 - 2.45/2.10 - 3.48 - Forged
    2680 - 327 - 2.30/2.00 - 3.25 - Forged
    2690 - 350 - 2.45/2.10 - 3.48 - Forged
    3279 - 302 - 1968-69 - 2.45/2.10 - 3 - Forged
    4577 - 327 - 1962-67 - 2.3/2.0 - 3.25 - Nodular Iron
    4672 - 307/327 - 1968-73 - 2.45/2.10 - 3.25 - Nodular Iron
    310514 - 350 - 1977-85 - 2.45/2.10 - 3.48 - Nodular Iron
    330550 - 350 - 1973-75 - 2.45/2.10 - 3.48 - Forged
    354431 - 262 - 1975-76 - 2.45/2.10 - 3.1 - Nodular Iron
    3727449 - 283 - 1957-67 - 2.3/2.0 - 3 - Forged
    3729449 - 265 - 1955-57 - 2.3/2.0 - 3 - Forged
    3734627 - 327 - 1962-67 - 2.3/2.0 - 3 - Forged
    3735236 - 265/283 - 1955-67 - 2.3/2.0 - 3 - Forged
    3735263 - 283 - 1957-63 - 2.3/2.0 - 3 - Forged
    3782680 - 327 - 1962-67 - 2.3/2.0 - 3.25 - Forged
    3814671 - 327 - 2.30/2.00 - 3.25 - Forged
    3815822 - 265/283 - 1955-67 - 2.3/2.0 - 3 - Forged
    3835236 - 283 - 1957-65 - 2.3/2.0 - 3 - Forged
    3836266 - 265/283 - 1956-63 - 2.3/2.0 - 3 - Forged
    3849847 - 283 - 1957-67 - 2.3/2.0 - 3 - Forged
    3876764 - 283 - 1964-67 - 2.3/2.0 - 3 - Nodular Iron
    3876768 - 283 - 1964-67 - 2.3/2.0 - 3 - Nodular Iron
    3884577 - 327 - 2.30/2.00 - 3.25 - Forged
    3892690 - 350 - 1968-85 - 2.45/2.10 - 3.48 - Forged
    3911001 - 307/327 - 1968-73 - 2.45/2.10 - 3.25 - Nodular Iron
    3911011 - 307/327 - 1968-73 - 2.45/2.10 - 3.25 - Nodular Iron
    3914672 - 327 - 2.45/2.10 - 3.25 - Forged
    3923279 - 302 - 2.45/2.10 - 3 - Forged
    3932442 - 305/350 - 1969-85 - 2.45/2.10 - 3.48 - Nodular Iron
    3941174 - 307/327 - 1968-73 - 2.45/2.10 - 3.25 - Nodular Iron
    3941178 - 302 - 1968-69 - 2.45/2.10 - 3 - Forged
    3941182 - 350 - 1968-76 - 2.45/2.10 - 3.48 - Forged
    3941188 - 350 - 2.45/2.10 - 3.48 - Forged
    3949847 - 283 - 1964-67 - 2.3/2.0 - 3 - Nodular Iron
    3951130 - 327 - 2.45/2.10 - 3.25 -Forged
    3951529 - 400 - 1970-80 - 2.65/2.10 - 3.75 - Nodular Iron
    10106122 - 350 - 1990-95 - 2.76/2.10 - 3.66 - Forged LT-5 ZR-1
    10168568 - 265 - 2.45/2.10 - 3 - Cast One Piece Seal
    12552216 - 346 - 2.558/2.10 - 3.62 - Cast LS-1 One Piece Seal
    14088526 - 305 - 1986 - 2.45/2.10 - 3.48 - Nodular Iron One piece seal
    14088532 - 350 - 1986-88 - 2.45/2.10 - 3.48 - Forged One piece seal
    14088535 - 305/350 - 1986-up - 2.45/2.10 - 3.48 - Nodular Iron One piece seal
    14088552 - 350 - 1986-up - 2.45/2.10 - 3.48 - Forged One piece seal
     

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