lsa

LSA

Through December 31, get a $250 mail-in rebate on all Chevrolet Performance crate engines.

ZL1 Camaro power

We’ve updated the LSA package with the production variant from the fifth-generation Camaro ZL1, featuring 556 horsepower and 551 lb.-ft. of torque.

PART NO. 19331507

WhyBuy

556 HP @6100 RPM

WhyBuy

551 LB/FT @3800 RPM

Quiet, breathtaking power 

Core components include a unique aluminum cylinder block casting that’s home to a forged steel crankshaft and super-tough reciprocating parts, and integrated piston-cooling oil jets. It also features high-flow cylinder heads that support the airflow pushed by a 1.9L Eaton TVS supercharger.

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.  

Through December 31, get a $500 or $750 mail-in rebate on all Chevrolet Performance Connect & Cruise systems.

Installation Guides

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

LSA Tech Specs

  • Part Number: 19331507
  • Engine Type: LS-Series Gen-IV Small-Block V-8
  • Displacement (cu. in.): 376 (6.2L)
  • Bore x Stroke (in.): 4.065 X 3.622 (103.25 x 92 mm)
  • Block (P/N 12623968): Cast aluminum with six-bolt, cross-bolted main capsCrankshaft (P/N 12603616): Forged steel with eight-bolt flange
  • Connecting Rods (P/N 12604857): Powdered metal
  • Pistons (P/N 12625119): Hypereutectic aluminum
  • Camshaft Type (P/N 12623064): Hydraulic roller
  • Valve Lift (in.): .492 intake / .480 exhaust
  • Camshaft Duration (@.050 in.): 198° intake / 216° exhaust
  • Cylinder Heads (P/N 12626958): Aluminum L92-style port: “as cast” with 68-cc chambers
  • Valve Size (in.): 2.160 intake / 1.590 exhaust
  • Compression Ratio: 9.1:1
  • Rocker Arms (P/N 12669995int) Investment-cast, roller trunnion
  • Rocker Arms (P/N 12681275 exh) Investment-cast, roller trunnion
  • Rocker Arm Ratio: 1.7:1
  • Recommended Fuel: Premium pump
  • Maximum Recommended rpm: 6600
  • Reluctor Wheel: 58X
  • Balanced: Internal

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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.

  • See participating U.S. dealer or authorized powertrain reseller for details and rebate form, which must be postmarked by 1/31/18. Rebates are available to customers who have purchased the parts detailed above at a participating Chevrolet, Buick, GMC, or Cadillac dealer or a powertrain retailer located in the United States. See rebate form for eligible parts and details. Allow 6 to 8 weeks for delivery of debit card. Offer valid 11/1/17 to 12/31/17. Rebate form and details available at chevrolet.com/performance/offers.

  • The Manufacturer's Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees and optional equipment. Click here to see all Chevrolet vehicles' destination freight charges.