For those of you who want your ZZ502/502 already assembled, GM Performance Parts has just what you need. The ZZ502/502 Deluxe crate engine includes the entire engine, from carb to oil pan, and comes assembled from the factory. It includes a Holley 870-cfm four-barrel carburetor, dual-plane intake manifold CNC-port matched to the oval-port heads, starter, distributor, plug wires, and water pump. The ZZ502/502 Deluxe crate engine offers you a GM Performance Parts tested and validated 502 horsepower/567 lb.-ft. of torque combination with a 24-month warranty.

The ZZ502/502 comes with our aluminum oval-port, big-valve street heads that flow enough air to satisfy the demands of the hungry 4.47" bores and 4.00" stroke crankshaft. To ensure a long and productive life, this performance big-block is based on a Gen VI block with four-bolt mains, a forged steel crank, forged steel rods, and forged aluminum 9.6:1 pistons.

ZZ502/502 Deluxe Tech Specs:
Part Number: 12496962
Displacement (cu in): 502
Bore x stroke (in): 4.47 x 4.00br> Block (P/N 10237292): Cast iron with 4-bolt main caps
Crankshaft (P/N 10183723): Forged steel
Connecting rods (P/N 10198922): 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; 110cc chambers
Valve size (in): 2.25 intake/1.88 exhaust; stainless steel
Compression ratio: 9.6:1
Rocker arms (P/N 12368082): Stamped steel
Rock arm ratio: 1.7:1
Distributor (P/N 93440806): HEI
Carburetor (P/N 19170093): 870 cfm
Water Pump (P/N 14058915): Aluminum; short-style
Spark plugs & wires: Included
Starter (P/N 9000852): Included Flexplate (P/N 10185034): 14"
Recommended fuel: 92 octane
Maximum recommended rpm: 5800br> Balanced: External

NOTE: Distributor with melonized steel gear MUST be used with long blocks and partial engines with steel camshafts, or engine damage will occur. GMPP distributor P/N 93440806 is recommended.

Please call for application information.

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