Chevy Big-Block V-8 502 HO – with iron heads and roller cam - 19433157

Affordable Big-Block Performance

Whether you use it for your drag car or competition pulling truck, the value-driven 502 HO crate engine offers affordable performance. It’s rated at 461 horsepower and 558 lb.-ft. of torque, for pulling power that exceeds anything ever offered from Chevrolet’s production Big-Block engines. It’s real power that only comes from a Big-Block!

To support all that torque, we built the 502 HO with a brand-new, latest-generation block casting with four-bolt main cap. We complement that with an all-forged rotating assembly for exceptional strength and durability, while a hydraulic roller camshaft is used for excellent drivability and a broad performance range. Our crate engine assembly includes an aluminum, dual-plane intake manifold, a water pump, 14-inch flexplate, balancer and more. You add the carburetor, starter and ignition system all available from Chevrolet Performance.

INSTALLATION NOTES

• Requires addition of carburetor, fuel pump, starter, distributor and ignition system (not included)
• Clutch linkage bosses are now drilled and tapped. When using cast-iron exhaust manifolds, lower head bolts may need to be replaced with bolts with shorter heads, for clearance
• 502 engines now have a mechanical fuel pump boss! (NOTE: There is a fuel pump lobe behind the boss.)
• Comes with an externally balanced 14" automatic transmission flexplate; Use flywheel P/N 14096987 and 11" clutch assembly for manual transmission applications
• Not intended for marine applications

Technical Specifications

Part Number: 19433157
Engine Type: Chevy Big-Block V-8
Displacement (cu in ): 502
Bore x Stroke (in ): 4.470 x 4.000
Block (P/N 19170540 ): Cast iron with 4-bolt main caps
Crankshaft (P/N 10183723 ): Forged steel
Connecting Rods (P/N 19170198 ): Forged steel, shot peened
Piston and Ring Kit (P/N 12533507 ): Forged aluminum
Intake Manifold (P/N 19131359 ): Dual plane
Camshaft Type (P/N 24502611 ): Hydraulic roller
Valve Lift (in ): .510 intake / .540 exhaust
Camshaft Duration (@.050 in ): 211° intake / 230° exhaust
Cylinder Heads (P/N 12562920 ): Iron rectangular port; 118cc chambers
Valve Size (in ): 2.190 intake / 1.880 exhaust
Compression Ratio: 8.75:1
Rocker Arms (P/N 19260993 ): Stamped steel
Rocker Arm Ratio: 1.7:1
Water Pump (P/N 19168606 ): Cast-iron, long-style
Recommended Fuel: Regular pump
Ignition Timing: 32° Total @ 4,000 rpm
Maximum Recommended rpm: 5,500
Balanced: External
Flexplate (P/N 10185034 ): 14"

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