PDI Big Boss Cummins ISX DOHC Stage 1 Cylinder Head Accessories Big Boss Performance Intake Manifold

Big Boss Performance Intake Manifold

Detroit 60 Series

PDI Big Boss clutch for the Volvo I-Shift and Mack M-Drive 12 speed transmissions is a great upgrade and replacement

Constructed of quality aluminum cores with plastic tanks to ensure no tank corrosion and efficient cooling for higher horsepower and demanding applications

PDI Big Boss Cummins ISX DOHC Stage 1 Cylinder Head Accessories Big Boss Performance Intake ManifoldAvailable for: 1999 2009 Cummins ISX Engines Key Benefits High Nickel Casting Inconel Exhaust and Intake Valves Made in the USA Warranty: 2 Year Unlimited Mileage PDI Big Boss Cummins ISX Stage 1 Cylinder heads are meticulously designed to surpass the most demanding expectations, making them the perfect choice for heavy duty applications in trucking, construction, agriculture, and more. They exemplify our unwavering dedication to innovation and