Sinister Diesel 13-19 Cummins 6.7L Coolant Reservoir (Degas) Cap - SD-6.7CDC13

This new Coolant Reservoir (Degas) Cap functions like a factory cap, but features custom Sinister Diesel looks. The cap fits OEM or Sinister Diesel Coolant Reservoir for the 2013-2019 Dodge Ram 2500...

Sinister Diesel 13-20 Ram 2500/3500 6.7L Cummins Bypass Oil Filter System - SD-EOF-6.7C-13

The oil system in your engine is crucial to the trucks performance and life. Keeping your oil clean is what it all comes down to and this 6.7L Cummins Oil Bypass Kit from Sinister Diesel is designed...

Sinister Diesel 17+ Ford Powerstroke F250/F350 6.7L Billet Catch Can - SD-BCC-6.7P-17

Sinister Diesel 17+ Ford Powerstroke F250/F350 6.7L Billet Catch Can

Sinister Diesel 17-19 Ford Powerstroke 6.7L Cold Side Charge Pipe - SD-INTRPIPE-6.7P-COLD-17

Maximize the performance and efficiency of your 2017 through 2021 Ford 6.7L PowerStroke V-8 by replacing the stock, restrictive piping that connects the intercooler to your engine with the 2017-2021...

Sinister Diesel 17-19 Ford Powerstroke Coolant Reservoir Degas Bottle Cap - Blue - SD-DC-6.7P-17

Sinister Diesel 17-19 Ford Powerstroke Coolant Reservoir Degas Bottle Cap - Blue

Sinister Diesel 17-20 Ford F250/350/450 6.7L 5in. Exhaust (Filter Back) - SD-6.7PEX17

Sinister Diesel 5" Exhaust (Filter Back) for 2017-2020 Ford F250/350/450 6.7L.

Sinister Diesel 17-21 Ford Powerstroke 6.7L Cold Side Charge Pipe - Gray - SDG-INTRPIPE-6.7P-COLD-17

Sinister Diesel Cold Side Charge Pipe for 2017-2021 Ford Powerstroke 6.7L (Gray).

Sinister Diesel 19-20 Dodge 2500/3500 Cummins 6.7L Radiator Pipe (High Output Engine) - SD-RADTUBE-6.7C-19-HO

Sinister Diesel 19-20 Dodge 2500/3500 Cummins 6.7L Radiator Pipe (High Output Engine)

Sinister Diesel 19-20 Dodge 2500/3500 Cummins 6.7L Radiator Pipe (Standard Output Engine) - SD-RADTUBE-6.7C-19

Sinister Diesel 19-20 Dodge 2500/3500 Cummins 6.7L Radiator Pipe (Standard Output Engine)

Sinister Diesel 19-20 Dodge Cummins 6.7L Coolant Filtration System - SD-6.7CCF19-01-20

Sinister Diesel 19-20 Dodge Cummins 6.7L Coolant Filtration System

Sinister Diesel 1994+ Ford Powerstroke Coolant Reservoir Degas Bottle Cap - Blue - SD-DC-FORD-94

Sinister Diesel 1994+ Ford Powerstroke Coolant Reservoir Degas Bottle Cap - Blue

Sinister Diesel 20+ Ford Powerstroke 6.7L Coolant Reservoir (Degas) Cap - SD-DC-6.7P-20

Sinister Diesel 20+ Ford Powerstroke 6.7L Coolant Reservoir (Degas) Cap