QUALITY PARTS.
HIGH-CALIBER BUILD.
Offer Valid 1/1/24 to 12/31/24
$250
Foundation for Big-Block torque
For the builder who wants the super-strong bottom end and high-flow aluminum oval-port cylinder heads, but also wants to finish the engine his or her way.
PART NO. 19331576
508 HP @5200 RPM
580 LB/FT @3600 RPM
High-performance base
A set of high-flow aluminum oval-port cylinder heads and a hydraulic roller camshaft designed to support low-rpm torque production enable it to hit the 500 lb.-ft. mark by approximately 2,500 rpm.
Installation Guides
Find everything from vital data about your engine’s capabilities to how to install it into your build.
ZZ502-502 Base Tech Specs
- Part Number: 19331576
- 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 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
- Recommended Fuel: Premium pump
- Ignition Timing: 32° total @ 4,000
- Maximum Recommended rpm: 5800
- Balanced: External
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