The Chevrolet Performance 350ci/385HP Fast Burn Engine delivers value-priced power, great durability and easy power upgrades. This engine uses the same short block and camshaft from the proven ZZ4 but adds the hungry for more airflow Fast Burn cylinder heads with stamped steel 1.5 rocker arms for 385 horsepower! The forged steel crankshaft and forged PM connecting rods are proven to 500 horsepower making this an excellent choice to drop in your hot rod or for the basis of a custom engine!
385 HP @ 5600 RPM
385 ft/lbs TQ @ 4000 RPM (Maximum Recommended RPM: 5800)
9.6:1 Compression Ratio
Cast Iron 4-Bolt Block with One-Piece Rear Main Seal
Forged Steel Crankshaft
High-Silicon Aluminum Pistons with Offset Pins
PM Steel Connecting Rods
Aluminum 62cc Fast Burn Chamber Cylinder Heads
2.00'' Int./1.55'' Exh. Valves
Steel Hydraulic Roller Cam
Camshaft Lift: .474'' Int./.510'' Exh.
Camshaft Duration @ .050: 208 deg. Int./221 deg. Exh.
1.5 Ratio Rocker Arms
Aluminum Dual Plane Intake Manifold
8'' High-RPM Torsional Damper
Cast Iron Water Pump
12.75'' Flexplate External Balance
Recommended Spark Plug: Accel #111-0526-4 or any spark plug with 14mm .460" reach, 5/8" hex & tapered seat