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The Big Boss tuner combined with our high performing exhaust manifold delivers power while allowing better exhaust flow from the engine
78mm Billet compressor wheel
Rated for higher temps with reinforced construction our boots will meet the demands of your truck
you will no longer rely on a plastic cap
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 CAT Stage 1 Cylinder Head Injectors The Big Boss tuner combinedAvailable for: 1994 2009 CAT 3406E, C15, C16 Engines Key Benefits High Nickel Casting Inconel Exhaust and Intake Valves Improved Cooling Passages Stainless Retainer Clips Made in the USA Warranty: 2 Year Unlimited Mileage PDI Big Boss CAT 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
