450 HP @5800 RPM
436 LB-FT @4800 RPM
SP383 EFI Turn-Key
A classic small-block with EFI, the SP383 EFI Turn-Key is built for big torque with modern convenience. 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. Paired to the 4L70-E or world-class T56 Super Magnum 6-speed manual transmission, this package offers thrilling controlled performance with ultimate convenience.
SP383 EFI Turn-Key Tech Specs
- Part Number: 19433046
- Engine Type: Chevy Small-Block V8
- 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 10185071): Steel hydraulic roller
- Valve Lift (in.): .474 intake / .510 exhaust
- Camshaft Duration (@.050 in.): 208º intake / 221º exhaust
- Cylinder Heads (P/N 19300955): Fast Burn aluminum; 62-cc 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 4000 rpm
- Maximum Recommended rpm: 6000
- Balanced: External
- Flexplate (P/N 14088765): 12.750″
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 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.
CLASSIC SMALL-BLOCK STROKER WITH MODERN EFI
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.
Connect & Cruise Powertrain System
Connect & Cruise Crate Powertrain Systems provide factory-matched engine-and-transmission combinations that include specially calibrated controllers and wire harnesses designed for retrofit installations in older vehicles.
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