Our most popular Big-Block
One of the industry’s benchmark crate engines, offering excellent value and proven performance suitable for the street or strip.
PART NO. 19331579
Powerful combination
A combination of high-flow aluminum oval-port cylinder heads with 2.25/1.88-inch valves and a hydraulic roller camshaft designed to support low-rpm torque production, topping 500 lb.-ft. mark by approximately 2,500 rpm.
ZZ502-502 Deluxe Tech Specs
- Part Number: 19331579
- Displacement (cu. in.): 502
- Bore x Stroke (in.): 4.470 x 4.000
- Block (P/N 19170540): Cast-iron with four-bolt main 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 12366543): Hydraulic roller
- Camshaft Lift (in.): .527 intake / .544 exhaust
- Camshaft Duration (@.050 in.): 224° intake / 234° exhaust
- Cylinder Heads (P/N 12363390): Aluminum oval port; 110-cc chambers
- Valve Size (in.): 2.250 intake / 1.880 exhaust; stainless steel
- Compression Ratio: 9.6:1
- Rocker Arms (P/N 12368082): Stamped steel
- Rocker Arm Ratio: 1.7:1
- Distributor (P/N 93440806): HEI type
- Carburetor (P/N 19170094): 870-cfm
- Water Pump (P/N 19168602): Aluminum, short-style
- Spark Plugs and Wires: Included
- Starter (P/N 12606096): Included
- Flexplate (P/N 10185034): 14"
- Recommended Fuel: Premium Pump
- Ignition Timing: 32° Total @ 4,000 rpm
- Maximum Recommended rpm: 5800
- Balanced: External
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