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Product Summary

350, Turn-Key Crate Engine Crate Engine Type

  • As part of Chevrolet Performance’s new line of Street Performance engines, the SP350 offers contemporary engine features on the classic Small-Block architecture
  • The SP350’s unique capability lies in its lightweight aluminum cylinder heads, which feature a valvetrain with beehivestyle valve springs, similar to the design of the high-revving LS engine family
  • Comes with 12.750" externally balanced 153-tooth automatic transmission flexplate. Requires externally balanced flywheel for manual transmission
  • Has right-side oil dipstick

Need To Know

Ineligible for Return

Contains items that cannot be returned

Details

The classic 350 Small-Block

As part of Chevrolet Performance’s new line of Street Performance engines, the SP350 offers contemporary engine features on the classic Small-Block architecture.

A legendary foundation

The SP350’s unique capability lies in its lightweight aluminum cylinder heads, which feature a valvetrain with beehivestyle valve springs, similar to the design of the high-revving LS engine family.

SP350-385 Tech Specs

  • Engine Type: Chevy Small-Block V-8
  • Displacement (cu. in.): 350
  • Bore x Stroke (in.): 4.000 x 3.480
  • Block: Cast-iron with 4-bolt main caps
  • Crankshaft: Forged steel
  • Connecting Rods: Powdered metal
  • Pistons: Hypereutectic aluminum
  • Camshaft Type: Hydraulic roller
  • Camshaft Lift (in.): .474 intake / .510 exhaust
  • Camshaft Duration (@.050 in.): 208° intake / 221° exhaust
  • Cylinder Heads: Fast Burn aluminum; 62-cc chambers
  • Valve Size (in.): 2.000 intake / 1.550 exhaust
  • Compression Ratio: 9.6:1 nominal
  • Rocker Arms: Stamped steel
  • Rocker Arm Ratio: 1.5:1
  • Recommended Fuel: Premium
  • Ignition Timing: 36° total at 4000 rpm
  • Maximum Recommended rpm: 5800
  • Balanced: External