The ZZ502/502 represents Chevrolet Performance's latest and best efforts to develop awe inspiring big block power in a dependable, durable and drivable big block crate engine.
With its big valve aluminum heads, roller camshaft and complete dyno tuned induction and ignition system, this is as close as you'll come to a custom built 502 at crate engine prices. And for those that like to grind on heads, change cams, mill for compression or whatever, we've left it only partially assembled. Make no mistake, everything you need is there, but you don't need to disassemble anything to make head mods or an intake swap.
It really is the best of both worlds, bolt it together and go, or tweak it to meet your specific needs. It's like someone at GM Performance Parts has been there, and we have. The ZZ502/502 makes extensive use of aluminum to keep weight down. Including aluminum heads, intake, water pump, and valve covers. Additionally, this king of the crate engines is full of heavy duty parts, to ensure that it will be making awesome horsepower for a long, long time. With its forged aluminum pistons, forged steel connecting rods with 7/16" bolts, forged steel crankshaft, 4-bolt main block, stainless steel valves, 6 quart oil pan, and windage tray, the ZZ502/502 seems more like a custom race engine.
With a 5800 RPM redline it might just feel more like a custom race engine than a crate engine too. Available as a long block kit or a complete engine kit, the ZZ502/502 is designed to meet your needs.
Specifications:
Power: 508 HP @ 5200 RPM, 580 ft. lbs. of torque @ 3600 RPM
Displacement: 502 CID
Bore x Stroke: 4.47” x 4.000”
Compression Ratio: 9.6:1
Recommended Fuel: 92 Octane
Block: Cast Iron, 1 piece rear seal, 4-bolt main caps
Crankshaft: Forged Steel
Connecting Rods: Forged Steel
Pistons: Forged Aluminum
Camshaft: Steel Hydraulic Roller Tappet
Cam Lift: .527” Intake / .544” exhaust
Cam Duration @ .050”: 224 deg. Intake / 234 deg. Exhaust
Lobe Separation: 112 Degree
Cylinder Heads: Cast Aluminum Oval Port
Combustion Chamber: 110cc
Valves: 2.250” Intake/ 1.880” Exhaust
Rocker Arms: Stamped Steel, 1.7:1 Ratio
Balance: External
Maximum GM Recommended RPM: 5800
Ignition Timing: Base 8 degrees BTDC, 30 degrees total
Engine Includes:
• Fully GM assembled long block
• Black Cast Aluminum Valve Covers
• Aluminum Intake Manifold
• GM Tuned 870CFM, Vacuum Secondaries with Electric Choke
• Oil pump, pick-up and oil pan
• HEI Distributor, Plug Wires, Looms and Spark Plugs
• 14” Auto Trans Flexplate
• HD Starter
• 8” Harmonic Balancer
• Front timing cover
• Aluminum Long Water Pump
• Oil Filter and Adapter
• Passenger Side RH Oil Dipstick and Tube
Warranty:
General Motors limited 2 year / 50,000 mile parts & labor warranty. Click on Document tab above for full details.
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