Max Effort HP90 (Hellcat & Redeye) Input Shaft:Billet Input Shaft (+1895) 2015-2023 Hellcat Challenger

2015-2023 Hellcat Challenger

Stall Options

no matter how well they are built

Rebuilt pump

Reman Pump

Max Effort HP90 (Hellcat & Redeye) Input Shaft:Billet Input Shaft (+1895) 2015-2023 Hellcat ChallengerSipple Speed and Performance Max Effort HP90 Transmission for Hellcats & Redeyes. We only offer one level of transmission the "Max Effort". These are the race proven, fully built transmissions. Billet E Drums, performance steels and frictions all assembled to SSP's precise specifications. We don't just throw a bunch of clutches in and hope for the best. There is a reason Sipple's Max Effort Transmissions lead the lists online, and the winner's circle