Compstar – Small Block Chevy Comet

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.

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 Crankshaft for Small Block Chevy engines

COMPSTAR COMET               MSRP
Stroke Main Pins Part #   Cammed for
3.335 350 2.000 SAX143-CC 5.700 rod $1,164.00
3.480 350 2.100 SAF113-CC 5.700 rod $1,164.00
3.480 350 2.000 SAF143-CC 5.700 rod $1,164.00
3.480 350 1.888 SAF193-CC 5.700 rod $1,164.00
3.500 350 2.000 SAG143-CC 5.700 rod $1,164.00
3.625 350 2.000 SAH143-CC 6.000 rod $1,164.00
3.750 350 2.100 SAJ113-CC 6.000 rod $1,164.00
3.750 350 2.000 SAJ143-CC 6.000 rod $1,164.00