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  • Compstar – Comet Small Block Chevy-image
  • Compstar – Comet Small Block Chevy

  • Lightweight Small Block Chevy

    The Compstar Comet is your answer to lightweight crankshaft needs for Small Block Chevy engines. Produced from 4340 forged steel that is triple heat-treated and nitrided, Compstar Comets are ready for long term, trouble free use.

    Each Comet features gun drilled mains, lightened rods, pendulum cut counterweights, and a star flange. All journals are polished to 5Ra or finer and match sized to within .0003 inch or less throughout the entire crankshaft. Comets are produced with .125 journal radii and require performance grade bearing inserts. Currently, Comets are only available with 350 mains.

  • Compstar – Comet Small Block Chevy

    Comet crankshafts are available in these configurations:

    350 Main/ 2.100″ Pin
    Strokes available: 3.750″

    350 Main/ 2.000″ Pin
    Strokes available: 3.335″ | 3.480″ | 3.500″ | 3.625″ | 3.750″

    350 Main/ 1.888″ Pin
    Strokes available: 3.480″ | 3.500″
  • COMPSTAR COMET      
    Stroke Main Pins Cammed for rod length Part #
    3.335 350 2.000 5.700 SAX143-CC
    3.480 350 1.888 5.700 SAF193-CC
    3.480 350 2.000 5.700 SAF143-CC
    3.500 350 2.000 5.700 SAG143-CC
    3.750 350 2.000 6.000 SAJ143-CC
    3.750 350 2.100 6.000 SAJ113-CC
  • « Back to Catalog
  • Compstar – Comet Small Block Chevy-image
  • Compstar – Comet Small Block Chevy

  • Lightweight Small Block Chevy

    The Compstar Comet is your answer to lightweight crankshaft needs for Small Block Chevy engines. Produced from 4340 forged steel that is triple heat-treated and nitrided, Compstar Comets are ready for long term, trouble free use.

    Each Comet features gun drilled mains, lightened rods, pendulum cut counterweights, and a star flange. All journals are polished to 5Ra or finer and match sized to within .0003 inch or less throughout the entire crankshaft. Comets are produced with .125 journal radii and require performance grade bearing inserts. Currently, Comets are only available with 350 mains.

  • Compstar – Comet Small Block Chevy

    Comet crankshafts are available in these configurations:

    350 Main/ 2.100″ Pin
    Strokes available: 3.750″

    350 Main/ 2.000″ Pin
    Strokes available: 3.335″ | 3.480″ | 3.500″ | 3.625″ | 3.750″

    350 Main/ 1.888″ Pin
    Strokes available: 3.480″ | 3.500″
  • COMPSTAR COMET      
    Stroke Main Pins Cammed for rod length Part #
    3.335 350 2.000 5.700 SAX143-CC
    3.480 350 1.888 5.700 SAF193-CC
    3.480 350 2.000 5.700 SAF143-CC
    3.500 350 2.000 5.700 SAG143-CC
    3.750 350 2.000 6.000 SAJ143-CC
    3.750 350 2.100 6.000 SAJ113-CC

Sales: 419.435.2711

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