GMP-12496430-2 - GM ZZ430 Chevy 350CID 430HP Crate Engine FAST EZ-EFI Fuel Injection
This product may require vehicle validation(s) for proper fitment. Please contact us to confirm correct vehicle fitment and usage.
This engine is based on GM Performance Parts limited edition ZZ430 crate engine originally produced in 1999.
The ZZ430 uses the time proven ZZ4 short block assembly that has powered thousands of hot rods, street machines, drag and circle track cars. Add to that solid foundation GM’s HOT Cam, which was developed by GM Motorsports for LT1 and LT4 engines used in showroom stock road racing. The HOT Cam specs were developed to insure long term valvetrain durability along with a broad and responsive torque curve. This cam is specifically designed for use with 1.6 to 1 ratio roller rockers.
Topping off the 430HP long block are GM Performance Fast Burn cylinder heads with all the components matched for use with the HOT Cam.
Power: 430 HP @ 6000 RPM, 430 ft. lbs. of torque @ 4200 RPM
Displacement: 350 CID, 5.7L
Bore x Stroke: 4.00” x 3.48”
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: Powdered Metal Steel
Pistons: High Silicone Aluminum
Camshaft: Steel Hydraulic Roller Tappet
Cam Lift: .525” Intake / .525” exhaust
Cam Duration @ .050”: 218 deg. Intake / 228 deg. Exhaust
Lobe Separation: 112 Degree
Cylinder Heads: Aluminum, 3/8” screw-in rocker studs
Combustion Chamber: 62cc
Valves: 2.00” Intake/ 1.55” Exhaust
Rocker Arms: Aluminum Roller, 1.6:1 Ratio
Valve Springs: 12551483
Maximum GM Recommended RPM: 5800
Ignition Timing: Base 10 degrees BTDC, 32 degrees total
• Fully GM assembled long block
• Orange Powder-coated Aluminum Valve Cover with Chevy Logo
• Chrome 14” Air Cleaner with Chevy Logo
• Oil pump, pick-up and oil pan
• Aluminum Performance Intake
• FAST Self Tuning EZ EFI
• HEI Distributor, Plug Wires, Looms and Plugs
• 14” Auto Trans Flexplate
• HD Starter and Bolts
• 8” Harmonic Balancer
• Front timing cover
• Cast Iron Long Water Pump
• Oil Filter and Adapter
• Passenger Side RH Oil Dipstick and Tube
General Motors limited 1 year / unlimited mileage parts only warranty. Click on Document tab above for full details.
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