450 HP @5800 RPM
436 LB-FT @4800 RPM
SP383 EFI Deluxe
It’s hard to beat a classic “stroker” with the driving convenience of electronic fuel injection. 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 Deluxe Tech Specs
- Part Number: 19418640
- 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″
Vintage look, contemporary drivability
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 a vintage look that offers contemporary drivability and strong performance. Our SP383 EFI Deluxe kit includes the distributor, damper, and flexplate, ready to install.
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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