Fat 6Spd Super Gear Transmission Cassette - Polished Trapdoor. Fits Softail 2018-2024 & Touring 2017-2023 KKC-2310-0670 The Alpha 4

The Alpha 4

* Replaces OEM # 25581-70

• One Size Fits Most

* In fact they may have the best balance of sound & volume of any pipe we've ever made

Glow in the dark ink

Fat 6Spd Super Gear Transmission Cassette - Polished Trapdoor. Fits Softail 2018-2024 & Touring 2017-2023 KKC-2310-0670 The Alpha 4The JIMS FAT 6 transmission is a rock solid, "bolt in" performance upgrade for the stock, O. E. M. 6 speed transmission. Starting with our raw material, JIMS designed FAT 6 gears to be manufactured from the best aerospace grade 9310 American steel available. 9310 steel is known for its high core strength, toughness, hardenability and high fatigue strength. The gear teeth are straight cut and have been increased up to 53% in width, when compared to