The king of all big block crate engines is the ZZ502/502, with torque and horsepower that will have you grinning and streetable manners that have your competition wondering what hit them.
The ZZ502/502 represents our 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. 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.
The base kit includes a fully assembled short block with 2.25" intake aluminum heads, valvetrain, aluminum valve covers, harmonic balancer and 14" automatic trans flexplate. The complete engine kit adds an aluminum intake manifold, 870 cfm carb, complete ignition system, gear reduction starter and aluminum water pump. Both kits include hardware and gaskets for all parts included in the particular kit.
The ZZ502/502 is not intended for marine use, and should only be used in 1973 and earlier pre-emissions street vehicles or any year off road vehicles.
Technical Notes: Do not use bolt sealer on the cylinder head bolts, the holes are blind tapped. The complete engine kit includes the long block kit plus intake manifold, carburetor, distributor, water pump, spark plugs, spark plug wires with looms and additional fasteners and gaskets.
Power: 502 HP @ 5200 RPM, 502 ft. lbs. of torque @ 4200 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
Maximum GM Recommended RPM: 5800
Ignition Timing: Base 8 degrees BTDC, 30 degrees total
• 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 with Bolts
• 8” Harmonic Balancer
• Front timing cover
• Aluminum Long Water Pump
• Oil Filter and Adapter
• Passenger Side RH Oil Dipstick and Tube
General Motors limited 2 year / 50,000 mile parts & labor warranty. Click on Document tab above for full details.
4L80E 4 Speed with overdrive transmission package designed for use with Chevrolet Performance BBC 502HO 450HP crate engine.
Performance Automatic in its never ending quest to stay on top of today’s need for modern day transmission packages has come up with an addition to its popular Street Smart Packages. The PAGM Series Street Smart Systems are exclusively designed to complement selected Chevrolet Performance Crate Engines. The Chevrolet Performance Crate Engines have been increasingly popular with Street Rodders and Muscle Car enthusiasts alike. Performance Automatic has developed customized overdrive transmission packages and has made it easy to pick a combination for your vehicle. The PAGM Series Packages have been designed for both performance and street ability. These kits also include all the necessary transmission components to complete the installation.
The PAGM kits utilized electronic, 4L80E, 4L70E and 4L60E, and non-electronic 700R4 overdrive transmissions. All of the PAGM electronic transmission packages come complete with the “Smart Shift” transmission controller and matching wiring harness for a” plug in and go, no laptop required “ installation. The Street Smart Converters are designed to give that “stop light to stop light” performance and to stretch that tank full of gas running down the highway in lock up. The PAGM series also provides you with a complete hardware kit consisting of all the nuts and bolts needed for your particular combination.
Performance Automatic PAGM series transmissions specifically designed and tuned for use behind most of the Chevrolet Performance crate engines. The PAGM transmissions include the proper torque converter, beefed-up internal components, shift patterns and pressures to match the Chevrolet Performance crate engines cam profile, HP rating, torque curve and RPM range. Each transmission is dyno tested.
PAGM Transmission Package Includes :• HD 4L80E transmission
Performance Automatic PAGM limited 2 year warranty. Click on Document tab above for full details.