sp350/385 turn-key

SP350/385 TURN-KEY

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.

PART NO. 19333158

WhyBuy

385 HP @5600 RPM

WhyBuy

405 LB-FT @3600 RPM

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.

Connect & Cruise Powertrain System

Connect & Cruise Crate Powertrain Systems provide factory-matched engine-and-transmission combinations that include specially calibrated controllers and wire harnesses designed for retrofit installations in older vehicles.  

Installation Guides

Find everything from vital data about your engine’s capabilities to how to install it into your build.

SP350-385 Tech Specs

  • Part Number: 19333158
  • Engine Type: Chevy Small-Block V-8
  • Displacement (cu. in.): 350
  • Bore x Stroke (in.): 4.000 x 3.480
  • Block (P/N 10105123): Cast-iron with 4-bolt main caps
  • Crankshaft (P/N 12556307): Forged steel
  • Connecting Rods (P/N 10108688): Powdered metal
  • Pistons (P/N 10159436): Hypereutectic aluminum
  • Camshaft Type (P/N 10185071): Hydraulic roller
  • Camshaft Lift (in.): .474 intake / .510 exhaust
  • Camshaft Duration (@.050 in.): 208° intake / 221° exhaust
  • Cylinder Heads (P/N 19300955): Fast Burn aluminum; 62-cc chambers
  • Valve Size (in.): 2.000 intake / 1.550 exhaust
  • Compression Ratio: 9.6:1 nominal
  • Rocker Arms (P/N 10089648): Stamped steel
  • Rocker Arm Ratio: 1.5:1
  • Recommended Fuel: Premium
  • Ignition Timing: 36° total at 4000 rpm
  • Maximum Recommended rpm: 5800
  • Balanced: External

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Unless specifically noted to the contrary herein, vehicles equipped with Chevrolet Performance Parts may not meet Federal Motor Vehicle Safety Standards and emissions regulations and should not be operated on public roads. Chevrolet Performance customers are responsible for ensuring their use of Chevrolet Performance complies with applicable federal, state, and local laws, regulations, and ordinances. Many parts intended for racing or other “off-highway” use are not designed or tested for crashworthiness or to meet the safety needs of the motoring public, and may adversely affect the original intended performance or handling characteristics of the vehicle. These parts are designed and intended to be used with experts supervising their installation and use, to help assure the proper and safe operation of the vehicle.