SP383 EFI Turn-Key 450 HP

Chevrolet Performance SKU: 19433046
Sale price


Regular price $17,468.64
BIG TORQUE AND EFI CONVENIENCE IN A COMPREHENSIVE KIT 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 most of the engine accessories required to get the engine running in your project vehicle! 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’s rated at 450 horsepower and a stout 436 lb.-ft. of torque. Our comprehensive Turn-Key assembly is delivered with the distributor and damper installed. The throttle body, starter, air conditioning pump, alternator, single-belt front-end accessory drive system and more are also included in the kit. The SP383 EFI Deluxe, including only the distributor and damper, is also available (P/N 19418640).
TECH SPECS Part Number: 19418640 Engine Type: Chevy Small-Block V-8 Displacement (cu in): 383 Bore x Stroke (in): 4.005 x 3.800 Block (P/N 88962516): Cast iron with 4-bolt main caps Crankshaft (P/N 12489436): Forged steel Connecting Rods (P/N 19355754): Heavy-duty forged steel Pistons (P/N 12499103): Hypereutectic aluminum Camshaft Type (P/N 19210723): Steel hydraulic roller Valve Lift (in): .474 intake / .510 exhaust Camshaft Duration (@.050 in): 208 intake / 221° exhaust Cylinder Heads (P/N 19300955): Fast Burn aluminum; 62cc chambers Valve Size (in): 2.000 intake / 1.550 exhaust Compression Ratio: 9.72:1 (nominal) Rocker Arms (P/N 19210724): Aluminum roller style Rocker Arm Ratio: 1.5:1 Recommended Fuel: Premium pump Ignition Timing: 36° Total at 4,000 rpm Maximum Recommended rpm: 6,000 Balanced: External Flexplate (P/N 14088765): 12.750

INSTALLATION NOTES • Crate engine kit includes pre-programmed, self-learning control system • Come with a 12.750" externally balanced, 153-tooth automatic transmission flexplate. An externally balanced flywheel is required for manual transmission applications. • Not intended for marine applications

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