ZZ 502/502 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 - four bolt main caps
Crankshaft 10183723 Forged steel
Connecting Rods 10198922 Forged steel - 
Shot peened, 7/16" bolts
Pistons 12533507 Forged Aluminum
Piston Rings 12524293
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
110cc 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 Demon 850cfm, Vacuum Secondaries
Distributor MSD Mechanical-Advance
Starter 9000852 Gear Reduction
Water Pump Edelbrock Victor-Series Aluminum Pump, long style
Valve Lash Zero
Spark Plugs #4 Rapidfire Gap .035
R43XLS Gap .035
Fuel 93 Octane
Ignition Timing 8 BTDC @ 800 RPM
36 Total @5000 RPM
Technical Notes: Distributor P/N 1104067 or melonized distributor gear P/N 10456413 must be used on all crate engines with steel camshafts.

Other Chevelle Technical Info:

VIN:                              1D37W2B688234

Radiator: Be Cool aluminum
Water Pump: Edelbrock Victor-Series aluminum
Pulley System: March billet aluminum, 6-rib flat style belts
Exhaust System: Dynomax ceramic-coated headers
Flowmaster 2.5" mandrel-bent system w/H pipe
Flowmaster 40-series mufflers
ARP stainless steel 12-point header bolts
Air & Fuel Delivery: Demon 850cfm w/vacuum secondaries
K&N 14x4 air filter w/pre-cleaner
Mr. Gasket 1" phenolic carb spacer
Oil Pan & Pickup: Milodon deep-sump w/correct pickup
Fuel Pump: Mallory Comp 110 electric
Fuel Regulator: Mallory 2-port, firewall mounted
Fuel Filter: K&N billet in-line style
Fuel Lines & Fittings: Aeroquip -8AN braided steel line, aluminum hose ends
Fuel Cell: Triangle Engineering, 20-gallon aluminum w/GM sender
Rear Axle: Stock GM 12-bolt with Posi Traction & 3.31:1 ratio
Transmission: Rebuilt Muncie M-20 w/2.52:1 first gear ratio
Bellhousing: Lakewood blow-proof w/block saver plate
Flywheel: Hays, 168 tooth, externally balanced
Clutch: Hays, diaphragm style
Shifter: Hurst, Competition Plus for use w/console
Engine Mounts: Energy Suspension, red polyurethane
Flywheel Bolts: ARP
Clutch Bolts: ARP
Bellhousing Studs: ARP
Ignition System: MSD mechanical advance billet distributor w/HEI style terminals
MSD 6AL ignition box
MSD Blaster 2 coil
MSD 8.5 custom cut super conductor wire set
GM bowtie wire looms
Rear Control Arms: Hotchkis upper & lower
Traction Aids: Edelbrock no-hop bars, GM 7/8" sway bar (rear), GM 1.125" sway bar (front)
Springs & Shocks: Hotchkis 2" drop springs, KYB Gas-Adjust shocks
Tires (Front): BFG Radial T/A  P235/60-15
Tires (Rear): BFG Radial T/A  P275/60-15
Wheels (all 4): 15x8.5 American Racing Torq-Thrust D
Lug Nuts: Excalibur stainless steel w/locks
Center Caps: American Racing w/GM "SS" logo engraved