Chevrolet Performance HT502 502ci Crate Engine – 19433156

Experience enhanced displacement with the Chevrolet Performance HT502 502ci Crate Engine. This big-block powerhouse delivers approximately 502 horsepower and 565 lb-ft of torque, providing massive low-end torque for street and strip applications. The HT502 features a cast-iron block, aluminum cylinder heads, and hydraulic roller camshaft for excellent drivability. The 8.2L displacement provides effortless power delivery and tire-shredding torque. Perfect for muscle car restorations, street rods, and custom trucks requiring big-block performance. Factory-assembled and dyno-tested for quality assurance.

**Technical Specifications:**

Part Number: 19433156
Engine Type: V-8 Big-Block Chevy
Displacement (cu. in.): 502
Bore x Stroke (in.): 4.470 x 4.00
Block (P/N 19170540): Cast iron with four-bolt main bearing caps
Crankshaft (P/N 10183723): Forged steel
Connecting Rods (P/N 19170198): Forged steel, shot-peened
Pistons (P/N 12533507): Forged aluminum
Camshaft Type (P/N 12552296): Hydraulic roller
Cam Lift (in.): .480 intake / .483 exhaust
Cam Duration (@.050 in.): 204° intake / 209° exhaust
Cylinder Heads (P/N 12562917): Cast iron with oval ports; 118 cc chambers
Balanced: Externally
Valve Size (in.): 2.070 intake / 1.730 exhaust
Compression Ratio: 8.75:1
Rocker Arms (P/N 12523976): Stamped steel
Rocker Arm Ratio: 1.7:1
Flexplate (P/N 10185034): 14″
Recommended Fuel: Regular pump
Ignition Timing: Base 34° Total @ 4,000 rpm
Recommended Maximum RPM: 5500 rpm