sp350/385 base

SP350/385 BASE

High-revving 350 Small-Block

Our SP350/385 crate engine incorporates modern technologies such as a beehive-type valve springs to take the classic 350 Small-Block to new levels of high-rpm performance.

PART NO. 19333157

WhyBuy

385 HP @5600 RPM

WhyBuy

405 LB-FT @3600 RPM

An advanced legend

The 385 hp rating of the engine is complemented by excellent low-rpm torque, with the SP350/385 generating 405 lb.-ft. of torque at 3,600 rpm. It’s all due to the high-flow, lightweight aluminum cylinder heads.

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.

Tech Specs

  • Part Number: 19333157
  • 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, shot peened
  • 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 pump
  • 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.