GM Performance Parts 350 ZZ4 Crate Engine


GM Performance
GM Performance Parts 350 ZZ4 Crate Engine

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Street and Race
Performance in One Engine

The 350 crate engine of choice for many street rods, drag racers, and show cars, this aluminum 4-bolt small block gives a lot of bang for the buck starting with an undercut rolled/forged steel crankshaft, powdered metal connecting rods, and high-silicon aluminum pistons. Get even more power with a ZZ4 Valvetrain Package.

  • 355 HP @ 5250 RPM
  • 405 ft/lbs TQ @ 3500 RPM (Max Recommended RPM: 5800)
  • 10.1:1 Compression Ratio
  • Cast Iron 4-Bolt Block with One-Piece Rear Main Seal
  • Forged Steel Crankshaft
  • High-Silicon Aluminum Pistons with Offset Pins
  • PM Connecting Rods
  • Aluminum Angle Plug 58cc Cylinder Heads (1.94" Int/1.50" Exh valves)
  • Steel Hydraulic Roller Cam (Lift: .474" Int/.510" Exh, Duration @ .050": 208° Int/221° Exh)
  • 1.5 Ratio Rocker Arms
  • Aluminum Dual Plane Intake Manifold
  • HEI Distributor
  • 8" Torsional Damper
  • Cast Iron Water Pump
  • 12.75" Flexplate

    Note: Carb, spark plug wires, starter, oil filter and adapter, and exhaust manifolds not included

    GM Warranty




    FREE SHIPPING ON THIS ENGINE FOR A LIMITED TIME ONLY!




  • 809-24502609
    GM Performance Parts 350 ZZ4 Engine
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    Installation Instructions for GM Performance
    $4,039.99
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