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Chevrolet Performance’s SP383 EFI Turn-Key kit offers the strong pull of the proven 383 “stroker” combination and the contemporary convenience of electronic fuel injection, delivered with the distributor and damper installed. The throttle body, starter, fuel pump, air conditioning pump, alternator, single-belt front-end accessory drive system, and more are also included in the kit.

The SP383 EFI incorporates a port-style injection system, with the injectors plumbed in a carburetor-style intake manifold and the throttle body mounted in the conventional position of the carburetor, which allows for a traditional air cleaner and a classic appearance. It is rated at 450 horsepower and 436 lb.-ft. of torque.

All GM Performance Parts Crate Engines includes a 24-Month or 50,000 Mile Limited Warranty through GM Performance Parts.