Big Block Crate Engine - ZZ502/502 Base

This long-block assembly includes the cylinder heads, oil pan, front cover and flexplate.

It is ready to be finished with the induction system and other accessories.

TECH SPECS

• Part Number: 19433162
• 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
• Pistons (P/N 12533507): Forged aluminum
• Intake Manifold (P/N 12363407): Dual plane
• Carburetor (P/N 19420447): 870-cfm
• Camshaft Type (P/N 12366543): Hydraulic roller
• Valve Lift (in): .527 intake / .544 exhaust
• Camshaft Duration (@.050 in): 224° intake / 234° exhaust
• Cylinder Heads (P/N 19418910): 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
• Water Pump (P/N 19168602): Aluminum, short-style
• Recommended Fuel: Premium pump
• Distributor (P/N 19432312): HEI type
• Spark Plugs and Wires: Included
• Starter (P/N 19302919): Included
• Ignition Timing: 32° Total @ 4,000 rpm
• Maximum Recommended rpm: 5,800
• 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.