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Drop some performance into your Street Rod, Muscle Car or Truck with these genuine GM Performance engines! All GM Performance engines include a 24 Month 50,000 mile warranty.  The ZZ4 350 Turn-Key crate engine has been one of the most popular high performance crate engines since GM Performance Parts was started. Its legendary status is based on an incredible performance level that is stone cold reliable. The ZZ4 350 crate engine is packed with a forged steel crankshaft, hypereutectic pistons, hydraulic roller camshaft and lifters, and aluminum cylinder heads. The ZZ4's Corvette-derived high-performance heads feature high velocity intake runners and D-shaped exhaust ports to promote efficient and unobstructed flow through the engine – providing strong power and torque at all RPM levels. The ZZ4 350 is delivered with an aluminum dual-plane intake manifold, HEI distributor, cast iron water pump, damper, and flexplate. The Turn-Key ZZ4 350 crate engine also ships with all the parts you need to get it running. That includes an accessory drive package, fuel pump, chrome air cleaner kit, Holley 750-cfm carburetor, starter, and spark plug wires. The ZZ4 comes to you with a full 355 horsepower and 405 lb.-ft. of torque. With its high level of performance and durability, it could very well be the perfect crate engine – able to meet the needs of car builders from all phases of the motorsports world.

  • Forged steel crankshaft
  • Aluminum Corvette heads
  • Hypereutectic pistons
  • D-shaped exhaust
  • Hydraulic roller camshaft and lifters
  • 355 horsepower
  • 405 lb.-ft. of torque
  • 4.00" x 3.48" bore x stroke
  • 10:1 compression
  • 92 Octane recommended fuel
  • Cam lift: .474" intake / .510" exhaust
  • Cam duration .050" : 208° intake / 221° exhaust
  • Lobe separation: 112°
  • 1.5:1 ratio rocker arms
  • Ships with aluminum dual-plane intake manifold, HEI distributor, cast iron water pump, dampener, and flexplate, accessory drive package, fuel pump, chrome air cleaner kit, Holley 770-cfm carburetor, starter, and spark plug wires

Includes:

  • Fully assembled long block
  • Stamped steel black OE valve covers
  • 14” chrome air cleaner
  • Oil pump, pick-up and oil pan
  • Aluminum performance intake
  • GM tuned Holley 770CFM carb
  • Performance fuel pump
  • HEI Distributor, plug wire, looms and spark plugs
  • 12-3/4” auto trans flexplate
  • 8” harmonic balancer
  • GM Performance serpentine drive system with A/C, included but not installed
  • Front timing cover
  • Cast rron long water pump
  • Oil filter and adapter
  • Passenger side RH oil dipstick and tube

Application

Possible Applications -

  • Get that low 12-second bracket car going 
  • A new bullet for your Friday night cruiser
  • A vintage Chevy that deserves a new heart 
  • Best for use with stock Small Block Chevy vehicles 

*Applications have not been validated. They are merely suggestions of how you might enjoy your GM Performance Parts crate engine. Some applications may affect engine warranty. Some applications may not be emission legal; check state and local ordinances."

Warranty Information

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