Chevrolet Performance Parts 19331579 - ZZ502/502 Deluxe 508 HP Deluxe Turnkey Crate Engine

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OUR MOST POPULAR BIG-BLOCK
The ZZ502/502 is one of the industry's benchmark crate engines, offering excellent value with a proven combination of performance that is suitable for the street or strip. With more than 500 horsepower and 580 lb.-ft. of torque, it demands your full attention and a chassis that is strong enough to harness its frame-straining twisting power.

Thanks to 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, this torque monster tops the 500 lb.-ft. mark by approximately 2,500 rpm and doesn't dip below it until about 5,000 rpm. It also features a latest-generation block casting with four-bolt main caps and an all-forged rotating assembly for exceptional strength and durability.

Our Deluxe package comes complete from the oil pan to the carburetor, including an HEI distributor, plug wires, starter, water pump, balancer and an aluminum intake topped with a Holley 870-cfm four-barrel carburetor.

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 4-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 19331425): Aluminum oval port; 110cc chambers
• Valve Size (in): 2.250 intake / 1.880 exhaust; stainless steel
• Compression Ratio: 9.6:1
• Rocker Arms (P/N 12675724): 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 19302919): Included
• Flexplate (P/N 10185034): 14"
• Recommended Fuel: Premium pump
• Ignition Timing: 32° Total at 4,000 rpm
• Maximum Recommended rpm: 5,800
• Balanced: External
• Intake Manifold (P/N 12363407): Dual Plane

INSTALLATION NOTES

• Due to crate fitment, the carburetor is shipped in a separate box and needs to be installed by an engine installer
• 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 NO 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
• Designed for pre-1976 street vehicles or any off-road vehicle
• Not intended for marine applications

Important: 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 come with a 24-month / 50,000 mile limited warranty.

Important: Designed for pre-1979 street vehicles or any off-road vehicle. Not intended for marine applications. Some applications may affect engine warranty. Some applications may not be emissions legal; check state and local ordinances. EFI engines typically do not include an ECM or wiring harness unless otherwise specified. GM Performance Parts does not utilize any used or remanufactured parts in this crate engine.