8l90e for lt1

8L90-E

Now until June 30, take advantage of a $200

mail-in rebate on all transmissions.

8-speed performance

Chevrolet Performance has adapted the production-based 8L90-E eight-speed automatic transmission for use with the LT1 and LT4 crate engines.

PART NO. 19367134

WhyBuy

8-SPEED AUTOMATIC

WhyBuy

664 LB-FT TORQUE LIMIT

8L90-E for LT1 Gear Ratios

A match for LT1 or LT4

A numerically high 4.56 first gear ratio offers strong take-off performance while a wide 7.0:1 overall ratio helps optimize cruising efficiency. Two versions are available: a slip-yoke design for use with the LT1 engine and a fixed-yoke design to be used with the LT4.

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.


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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 7/31/18. Rebate offer not available with other offers. Limit 3 per household. Rebate form and details available at chevrolet.com/performance/offers. Allow 6 to 8 weeks for delivery of debit card. Offer valid 4/1/18 to 6/30/18.

  • 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.

  • Requires available Performance Exhaust or Z51 Performance Package.

  • Requires available Performance Exhaust or Z51 Performance Package.

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  • 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.