Built For Punishment! New 4L80E Overdrive Kits Can Handle Up to 1,000 HP
FTI Performance offers automatic overdrive packages designed to be easy on the wallet while taking the guesswork out of your hot rod build.
Sometimes more strength only comes with more size. A stock 4L80E 4-speed overdrive (foreground) compared with a stock 4L60E 4-speed overdrive.
Holley’s kit for swapping a 4L80/85E 4-speed automatic overdrive behind a Gen III Hemi ($583.95)
The 4L80E will need some form of transmission controller, programmer, and wiring harness. This basic kit from FiTech is a stand-alone unit has all three and can program shift points and backup lights.
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Sometimes more strength only comes with more size. A stock 4L80E 4-speed overdrive (foreground) compared with a stock 4L60E 4-speed overdrive.
Holley’s kit for swapping a 4L80/85E 4-speed automatic overdrive behind a Gen III Hemi ($583.95)
The 4L80E will need some form of transmission controller, programmer, and wiring harness. This basic kit from FiTech is a stand-alone unit has all three and can program shift points and backup lights.