Chevy GM 383 Partial Crate Engine

GM 383 engines are stroker motors with a special modified engine block, bearings, oil pan, oil pump, front cover, 3.80" forged crankshaft, heavy-duty connecting rods, hypereutectic pistons, balancer and 12.75" flexplate. An oil pan is included with this engine, but is easily removed so you can complete the build on this engine. You can complete this engine with aftermarket parts or GM Performance engine parts.

NOTE: Intended for pre-1977 street vehicles and all off-road vehicles. Not intended for marine use.

Possible Applications

  • Hot rod cars
  • Anything you want a stroker motor in
  • Bigger performance cars

*Applications have not been validated. They are merely suggestions of how you might enjoy your GM Performance Parts crate engine. Some applications may affect engine warranty. See specific warranty information. Some applications may not be emission legal; check state and local ordinances.

383 PARTIAL ENGINE TECH SPECS:
Part Number: 12499106
Engine type: Chevy small-block V-8
Displacement (cu in): 383
Bore x stroke (in): 4.00 x 3.80
Block (P/N 88962516): Cast iron with 4-bolt main caps
Crankshaft (P/N 12489436): Forged steel
Connecting rods (P/N 12497624): Heavy-duty PM steel
Pistons (P/N 12499103): Hypereutectic aluminum

Chevy 383 Partial Engine Image

Part #:12499106

Chevy 383 dyno image

Installation Notes

  • NOTE: Distributor with melonized steel gear MUST be used with long blocks and partial engines with steel camshafts, or engine damage will occur. We recommend HEI distributor P/N 93448806.
  • Intended for pre-1977 street vehicles and all off-road vehicles.