SP383 EFI Deluxe Crate Engine
Original price was: $16,104.31.$12,681.89Current price is: $12,681.89.
- 450hp @ 5,800 rpm/436 lb.-ft. @ 4,800 rpm
- Forged Steel Crank in a Four-bolt Main Block
- Fast Burn Aluminum Cylinder Heads
- Port-style Injection System
- Description
- Additional information
- Technical Specifications
- Videos
- Installation
- Warranty
- Reviews (0)
SP383 EFI Deluxe Crate Engine
It’s hard to beat the classic 383 “stroker” for Small-Block torque, but Chevy Performance engineers found a way. They matched it with the driving convenience of electronic fuel injection. This crate engine is a perfect combination of the classic small-block stroker with modern EFI technology.
Rated at 450 hp @ 5,800 rpm and 436 lb.-ft. @ 4,800 rpm, the SP383 EFI also features a high-performance roller camshaft and lightweight aluminum, fast burn-style cylinder heads with modern valve train technology that includes beehive-type valve springs and aluminum roller rocker arms.
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.
The Chevrolet Performance SP383 EFI Deluxe kit includes the distributor, damper and flex plate, ready to install. Interested in other crate engines? Check out the Karl Kustoms crate engine offerings here and learn more about our crate engine program here.
What’s Included
- Crate engine kit includes pre-programmed, self-learning control system
- Comes with a 12.750″ externally balanced, 153-tooth automatic transmission flex plate. An externally balanced flywheel is required for manual transmission applications.
Important Notes
- Not intended for marine applications
- The SP383 EFI turn-key kit is also available (P/N 19419199).
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Technical Specs
- Engine Type: Chevy Small-Block V-8
- P/N 19432112
- 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): 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″
Chevrolet Performance Crate Engines include a 24-month or 50,000-mile (80,000 kilometer) limited warranty. Click here for more detailed warranty information.
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