ZZ502/502 DELUXE

508 HP @5,200 RPM/ 580 LB-FT TORQUE @3,600 RPM
price: $12,037
part number: 19331579
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    Our most popular Big-Block crate engine for the street and the strip Chevrolet Performance’s 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 508 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. All ZZ502 crate engines are manufactured with GM’s updated cylinder block casting that is stronger and better supports high-performance applications. A forged crankshaft, along with forged rods and pistons, anchors the bottom end, while our popular oval-port aluminum heads offer excellent airflow characteristics. Our ZZ505/502 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. We’ve taken care of the engine’s details. You need to make sure your car can handle the ZZ502/502.

    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

    • 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

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