Crate Engine, GM, Chevrolet ZZ 502/502, Base GM # 19433160

America's favorite big-block crate engine is now available fully assembled. All the same great parts used in the ZZ502 kit engines, but fully assembled for easier-installation in your hot rod, street rod or sportsman racer. Available in two versions, base and deluxe. The base engine is a fully assembled long block with valve covers and valvetrain. The deluxe is a complete engine from intake manifold to pan. (Carburetor and starter included but not installed because of crating.)

TECHNICAL INFORMATION: Horsepower: 502 @ 5200 rpm Torque: 567-ft./lbs. @ 4200 rpm Max Recommended rpm: 5800 Compression Ratio: 9.6:1 Block: 10237292 cast-iron, 4-bolt main caps Crankshaft: 10183723 forged steel Connecting rods: 10198922 forged steel shot peened, 7/16 bolts Pistons: 12533507 forged aluminum Piston rings: 12514293 Camshaft: 12366543 hydraulic roller, lift .527"I, .544"E., duration @ .050" 224"I, 234"E Timing chain: 3891519 single roller Cylinder heads: 12363390 aluminum oval port 100cc combustion chambers Intake valves: 12366987 2.25" stainless steel Exhaust valves: 12366988 1.88" stainless steel Valve springs: 12462970 Rocker arms: 12368082 1.7:1 stamped steel Intake manifold: 12363407 aluminum Holley flange Carburetor: 12366996 Holley flange Distributor: 1101067 HEI Starter: 9000852 gear reduction Water pump: 14058915 aluminum Valve lash: Zero Spark plugs: #4 Rapid fire gap .035 R43XLS gap .035 Fuel: 92 octane Ignition timing: 8 BTDC @ 800 rpm 36 total @ 5000 rpm