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- Chevrolet Performance ZZ5 350 Turn-Key Engine
- 400 HP/400 TQ
- Designed for Pre-1976 Street or Any Off-Road Vehicles
- Not Intended for Marine Use
Installation Notes: - Comes with 12.750 externally balanced 153-tooth automatic transmission flexplate. Can be changed to externally balanced flywheel(sold separately) for manual transmission applications.
- Requires fuel line from fuel pump to carburetor
- Fuel pump pressure is pre-set; fuel pressure regulator not required
- Designed for pre-1976 street vehicles or any off-road vehicle
- Some assembly and minor engine tuning required
- Not intended for marine application
The following parts including hardware are shipped in the engine crate but not installed:
- Serpentine Drive Package with A/C - 809-12497698
- Street Fuel Pump - 809-6415325
- Chrome Air Cleaner - 809-12342080
- Holley 770 cfm Carburetor - 809-19212046
- Lightweight Starter - 809-10465143
- Spark Plug Wire Kit - 809-12361051

- 400 HP @ 5600 RPM
- 400 ft/lbs TQ @ 3750 RPM (Maximum Recommended RPM: 6000)
- 9.72:1 Compression Ratio
- Cast Iron 4-Bolt Block with One-Piece Rear Main Seal
- Forged Steel Crankshaft
- Hypereutectic Aluminum Pistons with Offset Pins
- Heavy-duty PM Steel Connecting Rods
- Aluminum 62cc Fast Burn Chamber Cylinder Heads
- 2.00'' Int./1.55'' Exh. Valves
- Steel Hydraulic Roller Cam
- Camshaft Lift: .509'' Int./.528'' Exh.
- Camshaft Duration @ .050: 222 Degrees Int./230 Degrees Exh.
- 1.5 Ratio Rocker Arms
- Aluminum Dual Plane Intake Manifold
- HEI Distributor
- 8'' High-RPM Torsional Damper
- Cast Iron Water Pump
- 12.75'' Flexplate
- Recommended Spark Plug: Accel #111-0526-4 or any spark plug with 14mm .460" reach, 5/8" hex & tapered seat
JEGS Easy Kits are designed by JEGS professionals to help you get all the performance parts you need.
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The Chevrolet Performance ZZ5 350 Turn-Key Engine utilizes the solid foundation of the ZZ4 HO Short Block and adds the updated Fast Burn Cylinder Heads to produce more horsepower, 400HP @ 5600 RPM, than any production muscle car or Corvette small block Chevy engine! The turn key package includes the base ZZ5 crate engine with a carburetor installed plus the fuel pump, front-end accessory drive kit with air conditioning, alternator, starter plus additional quality Chevrolet Performance Parts accessories to get you on your way to completing your project (Some assembly and minor engine tuning required). Once assembled all you need to do is get it hooked up in your hot rod,
add 12V power, add the fuel, add the oil and hold on!



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