ls7

LS7

The LS7 crate engine MSRP has been reduced by thousands! MSRP was $17,337, now $14,837. See your dealer for pricing. Limited quantities available. Get yours while supplies last!

LS7, a living legend 

With its classic 427-cubic-inch displacement, the 505-hp LS7 7.0L made its mark in the C6 Corvette Z06 and advanced its legacy in the fifth-generation Camaro Z/28.

PART NO. 19329246

WhyBuy

505 HP @6300 RPM

WhyBuy

470 LB-FT @6300 RPM

A living legend 

The LS7 uses a unique cylinder block casting with pressed-in steel cylinder liners to accommodate the engine’s large, 4.125-inch cylinder bores – with deck-plate boring and honing for optimized bore geometry.

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.

LS7 Tech Specs

  • Part Number: 19329246
  • Engine Type: LS-Series Small-Block V-8
  • Displacement (cu. in.): 427 (7.0L)
  • Bore x Stroke (in.): 4.125 x 4.000 (104.8 x 101.6mm)
  • Block (P/N 12602689): Cast-aluminum with six-bolt steel main bearing caps
  • Crankshaft (P/N 12611649): Forged steel
  • Connecting Rods (P/N 12661677): Forged titanium
  • Pistons: Hypereutectic aluminum
  • Camshaft Type (P/N 12638426): Hydraulic roller
  • Camshaft Lift (in.): .593 intake / .588 exhaust
  • Camshaft Duration (@.050 in.): 211° intake / 230° exhaust
  • Cylinder Heads (P/N 12578449): CNC ported LS7-style ports; 70-cc CNC combustion chambers
  • Valve size (in.): 2.200 titanium intake / 1.610 sodium-filled exhaust
  • Compression Ratio: 11.0:1
  • Rocker Arms: Investment-cast, roller trunnion
  • Rocker Arm Ratio: 1.8:1 (offset, intake only)
  • Recommended Fuel: Premium pump
  • Maximum rpm: 7000
  • Reluctor Wheel: 58X
  • Balanced: Internal

Subscribe to the Chevy Performance enthusiast monthly newsletter.


Check out Chevrolet Performance product releases, future car builds, and more.

Connect


Connect with Chevy Performance.

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.

  • 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.

  • MyLink functionality varies by model. Full functionality requires compatible Bluetooth and smartphone, and USB connectivity for some devices.

  • Do not use summer-only tires in winter conditions, as it would adversely affect vehicle safety, performance and durability. Use only GM-approved tire and wheel combinations. Unapproved combinations may change the vehicle’s performance characteristics. For important tire and wheel information, go to my.chevrolet.com/learn/tires or see your dealer.

  • 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.