The Big Torque SP383 Stroker is on sale now at Humberview in the Greater Toronto Area. If you are looking to crank some serious torque from a classic small-block engine, we have the engine for you! You cannot beat the 383 stroker combination which uses a long, 3.800-inch stroke with 4.005-inch bores generating exceptional low-end pulling power and high-rpm horsepower. Chevrolet Performance's stroker crate engine is part of their range of Street Performance engines and is designed for optimal performance on the street and the occasional trip down the quarter-mile. It features lightweight aluminum cylinder heads based on the proven Fast Burn design, with large intake runners and 2.00/1.55-inch valves. Beehive-style valve springs enable great high-rpm performance and durability, allowing the SP383 to rev higher and build more horsepower. The engine produces 435 exhilarating horsepower and 445 lb.-ft. of seat-tugging torque.Like all of Chevy's crate engines, it is built with a cast-iron block with four-bolt mains. It also features a forged steel crankshaft, an aggressive hydraulic roller camshaft, and a high-flow, aluminum intake manifold. Use the Holley 770-cfm four-barrel carburetor, P/N 19170093 to achieve the listed horsepower and torque ratings.
TECH SPECS
Part Number: 19332532 / 19355722
Engine Type: Chevy Small-Block V-8
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 19332460): Heavy-duty PM steel
Pistons (P/N 12499103): Hypereutectic aluminum
Camshaft Type (P/N 19210723): Hydraulic roller
Valve Lift (in): .509 intake / .528 exhaust
Camshaft Duration (@.050 in): 222° intake / 230° exhaust
Cylinder Heads (P/N 19300955): Fast Burn aluminum; 62cc chambers
Valve Size (in): 2.000 intake / 1.550 exhaust
Compression Ratio: 9.6:1
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
Flexplate (P/N 14088765): 12.750"
Balanced: External