SMALL-BLOCK CRANKSHAFTS AND COMPONENTS

14088526

Crankshaft, Cast-Iron

  • Nodular cast-iron with 3.480" stroke and 2.100"-diameter rod journals
  • One-piece rear main seal crankshaft for 300- and 330-horsepower engines

NOTE: This crank does not have a pilot bearing


12670965

Crankshaft, Forged Steel (used in late-style ZZ4, ZZ5, and ZZ6 engines)

  • Forged 1053 steel crankshaft used in post-November 1998 ZZ4 engines
  • Replaces all cast or steel ZZ4 crankshafts

NOTE: Must be used with connecting rod P/N 10108688 and piston P/N 10159436


12489436

Crankshaft, 383-Cubic-Inch Forged Steel

  • Forged 4340 steel crankshaft used to create 383-cubic-inch engines with 3.800" stroke
  • Rod journals are 2.100". Mains are standard 350 size.

NOTE: Should be used with connecting rods P/N 19169670, bearing kit P/N 17800761, standard pistons P/N 88962748 or 0.030" oversize pistons P/N 88962749, balancer P/N 12498008, and 1986-and-later one-piece crank seal design flywheel or flexplate


14061685

Roller Pilot Bearing

  • Used in high-performance manual transmission applications

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Unless specifically noted to the contrary herein, vehicles equipped with Chevrolet Performance parts that are emissions-related may not meet U.S., Canadian, and state and provincial laws and regulations relating to motor-vehicle emissions. These parts are designed and intended for use in vehicles operated exclusively for competition: in racing or organized competition on courses separate from public streets or highways. Visit www.chevroletperformance.com/emissions for more details.