|Chevrolet - 502CI/502HP BASE ENGINE KIT CRATE ENGINE|
The 502/502 base kit includes a fully assembled short block with 2.25” intake aluminum heads, valve train, aluminum valve covers, torsional damper and 14” automatic transmission flexplate.
Keys - allengine, scperformanceeng, gmperformanceeng, gmgoodwrencheng. Use allengine for a complete list of all three.
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|ZZ 502/502 NAVIGATION|
|ZZ 502/502 Base Long-Block Kit||ZZ 502/502 Base Long-Block Kit Assembled|
|ZZ 502/502 Premium Engine Kit||ZZ 502/502 Premium Engine Kit Options|
|ZZ 502/502 Premium Engine Kit Assembled||Chevrolet Ultimate Street 502|
|Chevrolet Ultimate Street 502 Dyno Pictures||Chevrolet Ultimate Street 502 Pictures|
|Chevrolet Ultimate Street 502 Parts Pictures||ZZ 502/502 Partial Engine Block|
|Chevrolet Fuel Injected 502 RPM PRO-FLO EFI||Ram Jet 502|
|HT 502 Tow Truck Engine||HO 502 Engine Assembly|
|502 Retro-Kit 1991 - 1993 P/U Conversion Kit||Super Street 502 Dyno Pictures|
|Super Street 502 Main Page||Super Street 502 Pictures|
|We have more GM and Chevrolet Performance Engines available.
We have more GM Stock Replacement Long-block Goodwrench Engines available.
We have more “Gen 3” and “Gen 4” Design Engines available. (LS1, LS2, LS6, LQ4, LS7)
|ZZ 502/502 BASE ENGINE KIT DESCRIPTION|
502ci / 502 HP Base Engine Kit
P/N 12371204This 502/502 base engine kit is similar to the premium kit P/N 12371171. This kit includes partial engine P/N 24502619 and two oval port aluminum cylinder heads with all the attaching gaskets and bolts. Premium die cast aluminum valve covers, pushrod, rocker arms, torsional damper, and 14” automatic flexplate and a pint of EOS oil supplement are also included. See P/N 12371171 for the recommended part numbers to complete this engine.
The ZZ502/502 is not intended for marine use, and should be used in 1976 and earlier pre-emissions street vehicles or any off road vehicles.
|ZZ 502/502 BASE ENGINE KIT SPECIFICATIONS|
|Displacement:||502 cubic inches|
|Horsepower:||502 @ 5,200 RPM|
|Torque:||567 @ 4,200 rpm|
|Max. Rec. RPM:||5,800 RPM|
|Fuel:||Premium Unleaded 92 Octane|
|Spark Plugs:||#4 Rapid Fire Gap .035, R43XLS Gap .035 (not included)|
|Bore & Stroke:||4.47” x 4.00”|
|Engine Block:||Cast Iron, for bolt main caps (P/N 10237292)|
|Crankshaft:||Forged Steel (P/N 10183723)|
|Connecting Rods:||Forged Steel shot peened, 7/16” bolts (P/N 101988922)|
|Piston:||Forged Aluminum (P/N 12533507)|
|Piston Rings:||P/N 12524293|
|Camshaft:||Steel Hydraulic Roller (lift: .527” I, .544” E) (Duration @ .050”: 224° I, 234° E) (P/N 12366543)|
|Timing Chain:||(P/N 3891519) Single Roller|
|Cylinder Heads:||High Velocity 356-T6 Cast Aluminum Alloy Oval Port, 110cc Semi-Open Combustion Chamber, with valves and springs. (P/N 12363390)|
|Intake Valve:||2.25” Stainless Steel (P/N 12366987)|
|Exhaust Valve:||1.88” Stainless Steel (P/N 12366988)|
|Valve Springs:||(P/N 12462970)|
|Rocker Arm Ratio:||1.7:1 Stamped Steel (P/N 12368082)|
|Valve Covers:||Premium Die Cast Aluminum|
|Flexplate:||14” for Automatic Transmission|
|Spark Timing:||36° total at 5000 RPM, 8° BTDC @ 800 RPM|
|Technical Notes: Distributor P/N 1104067 or melonized distributor gear P/N 10456413 must be used on all crate engines with steel camshafts.|