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Chevrolet Performance 350ci/400HP ZZ5 Base Engine

Chevrolet Performance
Chevrolet Performance 350ci/400HP ZZ5 Base Engine

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The Chevrolet Performance ZZ5 350 Base 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 base crate engine package includes an aluminum intake manifold, distributor, water pump, damper, flexplate and more.

Just like the proven Fast Burn engine, the ZZ5 350 engine features lightweight aluminum cylinder head castings with large intake runners and 2"/1.55" valves. The beehive-style valve springs enable greater high-rpm performance and durability, as they require less spring pressure for greater valve control and efficiency. Better low end torque can also be expected from the ZZ5 producing at least 300 lb.-ft of torque by only 1500 rpms. It comes as no surprise that this engine is the perfect choice for enthusiasts that crave the thrilling feeling of immediate power!

  • 400 HP @ 5600 RPM
  • 400 ft/lbs TQ @ 4000 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

    GM Warranty

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