GM 4L80E Performance Transmission Package

The Bowler Performance GM 4L80E Performance Transmission Package is a custom-built unit designed for SBC, BBC, LS1, LS2, LS7, LSA, and LSX engines, capable of handling up to 650 ft-lbs of torque. This package includes the Bowler Tru-Street 4L80E transmission, which features all-new steels, seals, and gaskets, upgraded High Energy friction plates, and new OEM solenoids. It also boasts a billet 300M hardened input shaft, updated 34-element intermediate sprag, and a blueprinted valve body and pump for enhanced durability and performance. The package includes a 265 MM single-disc lock-up torque converter with a 2400-3000 RPM stall range, featuring braised fins and a billet apply piston. Additional included components are a new SFI flexplate, an Energy Suspension transmission mount, an external transmission cooler with -6AN fittings, and 14 quarts of Royal Purple MAX ATF. Please note that this package does not include a driveshaft or crossmember. A transmission controller is also not included. Custom built to your specifications, please complete the Automatic Transmission Tech Sheet Form. Allow a 4-6 week lead time for custom automatic transmissions. The transmission is Bowler inspected and dyno tested, and comes with a 24-month limited/conditional warranty.