Fleece Performance 13-17 Cummins 63mm FMW Holset VGT Cheetah Turbocharger Fuel Delivery~Fuel Injector Connectors A urethane plug is also

A urethane plug is also included for extreme conditions when you want to block the auxiliary air scoop

Built to Last a Lifetime: These boots are manufactured in house at S&B with 4 plies of aramid reinforcement and extremely strong silicone rubber to last the lifetime of your vehicle

Performance Transmission but with the added touch of a Billet Input Shaft to take the "snap" from rapid throttle and high horsepower

2018 GMC Sierra 2500 HD Denali

Upgraded sprags

Fleece Performance 13-17 Cummins 63mm FMW Holset VGT Cheetah Turbocharger Fuel Delivery~Fuel Injector Connectors A urethane plug is alsoFleece Performance 13 17 Cummins 63mm FMW Holset VGT Cheetah Turbocharger