450 - HP
436 LB - FT
Experience modern fuel injection with the Chevrolet Performance SP383 383ci EFI Crate Engine. This advanced package delivers approximately 435 horsepower and 444 lb-ft of torque through electronic fuel injection technology. The SP383 EFI features aluminum cylinder heads, stroker displacement, and complete fuel injection system for superior drivability, cold starting, and fuel efficiency. The 6.3L displacement provides excellent torque output. Perfect for street rods, muscle car restorations, and custom builds requiring modern performance with enhanced drivability. Factory-assembled, dyno-tested, and includes complete EFI system.
Experience modern fuel injection with the Chevrolet Performance SP383 383ci EFI Crate Engine. This advanced package delivers approximately 435 horsepower and 444 lb-ft of torque through electronic fuel injection technology. The SP383 EFI features aluminum cylinder heads, stroker displacement, and complete fuel injection system for superior drivability, cold starting, and fuel efficiency. The 6.3L displacement provides excellent torque output. Perfect for street rods, muscle car restorations, and custom builds requiring modern performance with enhanced drivability. Factory-assembled, dyno-tested, and includes complete EFI system.
**Technical Specifications:**
SP383 EFI Deluxe Technical Specifications
Part Number: 19433045
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 main crankshaft bearings
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): Hydraulic roller steel
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: 36° total at 4000 rpm
Maximum Recommended RPM: 6000
Balanced: Externally
Flexplate (P/N 14088765): 12.750″
Shipping costs will be evaluated after purchase based on your location. We aim to negotiate the best transport prices on the market for you. You can also come to pick up your crate engine at the warehouse.
Original price was: 20,761.02$.17,651.73$Current price is: 17,651.73$.
