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Stainless Steel
pre-treat the area with our Rebel Savage APC All-Purpose Cleaner
Fitment for High Mount Applications
Big Boss performance radiators for Peterbilt 389 models feature a dimpled tube design to allow coolant more time to cool properly for more demanding applications
Also fits 2007-2018 Peterbilt 382
PDI Big Boss Stage 1 Performance Kit for CAT C15 ACERT big boss cylinder head Stainless SteelKit Includes: Big Boss Performance Tuner with Mount Big Boss Polished Exhaust Manifold Exhaust Manifold Install Kit Stainless Manifold Spacer Kit Available for: 2004 2010 CAT C15 Acert Engines Warranty: 1 Year Unlimited Mile Warranty PDI Big Boss Performance Packages are put together with performance, efficiency, and savings in mind. The Big Boss tuner combined with our high performing exhaust manifold delivers power while allowing better exhaust flow