2019-2024 Cummins 6.7L Cooler Bypass Delete (1061527)2019 2024 Cummins 6. 7L Cooler Bypass Delete (1061527) Debris in the stock cooler bypass valve can cause it to jam the internal valve keeping it in recirculation mode. When this happens the transmission temperature will rise and can lead to overheating and premature transmission failure. The BD 1061527 Cooler Bypass Delete keeps the transmission cooler operational all the time and eliminates this failure prone item.

Elevate your Cummins valvetrain with these improved-casting rocker arms

7L Gator Fasteners HD Head Stud Kit (HSK67F)

This is how you make that kind of power

the High Idle switch mounts on the dashboard and plugs in under the dash

Viscosity typical of a 5W30

For the ultimate in performance combine the Mega-Flo Grid Heater with the Air-Boss 67

Key Features & Benefits

These head bolts have a much higher strength and will not stretch like the factory bolts will

yet are responsive & durable enough for street & heavy duty towing applications

Steed Speed warranties workmanship for as long as you own the manifold and a 1-year warranty on the Techline coating

So replace your fragile plastic

Extreme duty pushrods