PDI BIG BOSS CUMMINS ISX DOHC STAGE 1 CYLINDER HEAD Volvo D13 PDI BIG BOSS TUNER FEATURES:

PDI BIG BOSS TUNER FEATURES:

PDI Big Boss Exhaust Manifolds are designed to maximize exhaust air flow to reduce turbo lag time and cool exhaust temperatures

Available for: 2004-2007 Caterpillar C15 Acert Engines

available separately

PDI BIG BOSS CUMMINS ISX DOHC STAGE 1 CYLINDER HEAD Volvo D13 PDI BIG BOSS TUNER FEATURES:Available for: 1999 2009 Cummins ISX Engines Key Benefits High Nickel Casting Inconel Exhaust and Intake Valves Made in the USA Warranty: 18 Month Unlimited Mile Warranty 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