Chevrolet Performance 383 Partial Engine


  • 4.005″ bore +3.80″ stroke = 383 cubic inches
  • 4-bolt main cast-iron block
  • 4340 forged steel externally balanced crankshaft
  • Harmonic balancer and 153-tooth flexplate included

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SKU: 19433047 Categories: , Tag:

383 Partial Engine

383 Partial Chevy Engine

19433047 Chevrolet Engine

Stroked from the start, finish to your liking!

For those who want to build their own custom stroker small block engine, this partial comes with the specially modifiedblock, 3.80” forged steel stroker crankshaft, heavy duty connecting rods, hypereutectic pistons, bearings, oil pan, oil pump, front cover, damper, and 12.75” flexplate. This partial engine does not include a camshaft, lifters, timing chain, orcam sprocket. The oil pan is installed loosely on the block so it can be disassembled without destroying the pan gasket.Just add all the parts to complete this engine from CPP such as cylinder heads, camshaft and valvetrain, intake,carburetor and ignition system.

This short block is the foundation for the HT383 323 hp/444 lb.-ft. and SP383 Deluxe  425 hp/445 lb.-ft. Chevrolet Performance crate engines.

Comes with 4.000-inch-bore/3.800-inch-stroke reciprocating assembly already installed, including a forged steel crankshaft, heavy-duty connecting rods and durable aluminum-alloy pistons.

Supersedes old GM P/N 19332527 and P/N 19355719 and P/N 19418654 and P/N 19432110

Weight 346 lbs


19355719, 19418654

Click here to download installation information.

Chevrolet Performance Partial Engines include a 12-month, unlimited-mileage, part-only warranty.

Click here for more detailed warranty information.


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Prop65WARNING: These auto parts can expose you to chemicals including phthalates and lead. Installing or using these parts can expose you to other parts containing these chemicals and to engine exhaust, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to