19331579 Replaces 19201332 Crate Engine
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 (P/N 12496963) and deluxe (P/N 12496962). 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.) See the ZZ502 kit engine information for specific content and specifications. Equipped oil pan may not clear Chevelle and Camaro applications.
Service Parts Listing ZZ 502/502 Technical Information Horsepower ..................... 508 @ 5200 RPM
Torque .......................... 580 Ft. Lbs. @ 5200 RPM
Max. Recommended RPM ..... 5800
Compression Ratio ............. 9.6:1
Block ............................ 19170540 Cast iron - Four bolt maincaps
Crankshaft ...................... 10183723 Forged steel
Connecting Rods ............... 19170198 Forged steelShot peened, 7/16" bolts
Pistons .......................... 12533507 Forged Aluminum
Piston Rings .................... 12524293
Camshaft ........................ 12366543 Hydraulic rollerLift: .527" I, .544" E.Duration @ .050" 224° I, 234° E.
Timing Chain ................... 3891519 Single roller
Cylinder Heads ................. 19331425 Aluminum oval port110cc 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 ...................... 19170094 Holley 870cfm
Distributor ....................... 93440806 HEI
Starter ........................... 19302919
Water Pump .................... 19168602 Aluminum Short=style
Valve Lash ...................... Zero
Spark Plugs ..................... #4 Rapid Fire Gap .045R43XLS Gap .045
Fuel ............................. 92 Octane
Ignition Timing .................. 32° Total @ 4,000 RPM
T
echnical Notes:• Melonized distributor gearP/N 10456413 must be used on all crate engines with steel camshafts.
• The clutch linkage boss is cast in this block, and is drilled and tapped.
• When using cast iron exhaust manifolds the lower head bolt may need to be replaced with bolt with shorter heads.
• This block has a mechanical fuel pump boss. Chevelle and Camaro installations may require a different oil pan.
Service Parts Listing
Terms and Conditions
Warranty Information
GM Performance Crate Engine Start-up Instructions
Click here to download Product Information Sheet
This engine is eligible for a $500 rebate when you also purchase:
19329795 T56 Manual Transmission and
19329901 Transmission Installation Kit
Click here for Rebate Information