Chevrolet Performance 19355722 - SP383 435 HP Crate Engine

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OUR LATEST TWIST ON THE BIG-TORQUE 383 STROKER!
When it comes to cranking serious torque from the classic Small-Block, it's hard to beat the 383 stroker combination, which uses a long, 3.800-inch stroke with 4.000-inch bores to generate exceptional low-end pulling power and surprising high-rpm horsepower.

Chevrolet Performance's stroker crate engine is part of our 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 result is 435 exhilarating horsepower and 445 lb.-ft. of seat-tugging torque.

Like all of our 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 Numbers: 19332532 / 19355722 / 19355672
• 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

INSTALLATION NOTES

• Requires addition of carburetor, ignition, fuel pump, thermostat housing, thermostat, and starter (not included)
• 435 horsepower rating achieved during GM testing with high-rise single-plane intake manifold (P/N 12496822) and a 770-cfm carburetor with vacuum secondaries (P/N 19170093)
• Chevrolet Performance dual-plane intake manifold (P/N 12366573) may be used to avoid hood clearance problems, but peak power may decrease by approximately 15-20 horsepower
• Comes with 12.750" externally balanced 153-tooth automatic transmission flexplate.
• Requires externally balanced flywheel for manual transmission.
• Designed for pre-1976 street vehicles or any off-road vehicle
• Not intended for marine applications

INSTALLATION NOTES

• Distributor with melonized steel gear MUST be used with long-blocks and Partial engines with steel camshafts, or engine damage will occur.

Chevrolet Performance Crate Engines include a 24-month or 50,000-mile/80,000-kilometer limited warranty.