ls9

LS9

The LS9 crate engine MSRP has been reduced by thousands! MSRP was $26,403, now $21,403. See your dealer for pricing. Limited quantities available. Get yours while supplies last!

Supercharged ZR1 power 

Chevrolet Performance acquired a finite number of LS9s for use as crate engines and when they’re gone, they’re gone!

PART NO. 19260165

WhyBuy

638 HP @6500 RPM

WhyBuy

604 LB-FT @3800 RPM

Supercharged ZR1 power 

The engine is a technological marvel. High-rpm-validated lightweight reciprocating parts, including titanium intake valves, are used, along with high-flow cylinder heads that draw the charge forced on them by a sixth-generation 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.  

Installation Guides

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

LS9 Tech Specs

  • Part Number: 19260165
  • 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: Cast-aluminum with six-bolt, cross-bolted main caps
  • Crankshaft (P/N 12641693): Forged steel with nine-bolt flange
  • Connecting Rods (P/N 12624231): Forged titanium
  • Pistons (P/N 19180414): Forged aluminum
  • Camshaft Type (P/N 12638427): Hydraulic roller
  • Valve Lift (in.): .562 intake / .558 exhaust
  • Camshaft Duration (@.050 in.): 211° intake / 230° exhaust
  • Cylinder Heads (P/N 12621774): Aluminum L92-style ports; “as cast” with 68-cc chambers
  • Valve Size (in.): 2.160 titanium intake / 1.590; hollow, sodium-filled exhaust
  • Compression Ratio: 9.1:1
  • Rocker Arms (P/N 12569167 int): Investment-cast, roller trunnion
  • Rocker Arms (P/N 10214664 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.

  • The Manufacturer's Suggested Retail Price excludes tax, shipping and installation. Individual retailer pricing may vary. Please see your local dealer or retailer for details.

  • 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.