SuperMatic 8L90-E Installation Kit, LT Engine


  • For use with LT1, LT4 and LT5 engines
  • Pre-programmed transmission controller and wiring harness included
  • Aftermarket dipstick is required
Due to world events we are working with our manufacturers every day to ship and receive parts. If the part you are looking for is time sensitive please give our team a call at 855-806-1147 before ordering to ensure it's availability.

Shipping is free, but there is a delivery fee for residential addresses.

SuperMatic 8L90-E 8-Speed Installation Kit

P/N 19417103

– LT1 and LT4 crate engines include a flexplate compatible with the SuperMatic™ 8L90-E
– The LT5 engine includes a flywheel for a manual transmission. It must be replaced with 8-bolt flexplate P/N 19418408 for use with the SuperMatic 8L90-E
– A dipstick is not included. An aftermarket dipstick must be used

Note: The pre-programmed transmission controller and wiring harness are specific to each SuperMatic 8L90-E transmission part number and are included with the transmission kit.


SuperMatic 8L90-E Installation Kit, LT Engine

19417103 Chevrolet Transmission Install Kit

Chevrolet Performance’s installation kit for the SuperMatic 8L90-E eight-speed automatic transmission is designed to be used with LT1, LT4 and LT5 crate engines. It includes the necessary covers, bolts, cooler line and more.

12-month unlimited mileage warranty unless purchased as part of a Connect & Cruise Powertrain System. (Connect & Cruise components are covered by a 24-month or 50,000 mile warranty.)


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Prop65WARNING: These auto parts can expose you to chemicals including phthalates and lead. Installing or using these parts can expose you to other parts containing these chemicals and to engine exhaust, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to