Small-Block Crate Engines - SP383 EFI Turn-Key

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. Our comprehensive Turn-Key assembly is delivered with the distributor and damper installed. The throttle body, air conditioning pump, alternator, single-belt front-end accessory drive system and more are also included in the kit.

The engine controller is also included.

INSTALLATION NOTES

• Crate engine kit includes pre-programmed, self-learning control system
• Comes 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

TECH SPECS

• Part Number: 19433046
• Engine Type: Chevy Small-Block V-8
• Displacement (cu in): 383
• Bore x Stroke (in): 4.005 x 3.800
• Block (P/N 19432109): 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): .509 intake / .528 exhaust
• Camshaft Duration (@.050 in): 220° intake / 230° exhaust
• Cylinder Heads (P/N 19417592): Fast Burn aluminum; 62cc chambers
• Valve Size (in): 2.000 intake / 1.550 exhaust
• Compression Ratio: 9.9:1
• Rocker Arms (P/N 19432297): 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"

NOTE: Distributor with melonized steel gear MUST be used with long-blocks and partial engines with steel camshafts, or engine damage will occur.

Also found under part number 19433046