Big Boss Performance Dual Oil Cooler for Cummins X15 | ISX Cat Pair our Front Kenworth Backlit

Pair our Front Kenworth Backlit Air Cleaner Bars with our brand new Rear Backlit Air Cleaner Bars

Requirements: Big Boss Exhaust Manifold (Part # 6114 for N14 Engines OR Part # 7445 for ISX Engines)

you can end up with hazy

Big Boss CAT C12 Stage 1 Turbo

Big Boss Performance Dual Oil Cooler for Cummins X15 | ISX Cat Pair our Front Kenworth BacklitAvailable for: 1999 2024 Cummins X15 and ISX Engines Key Benefits Dual high efficiency cooler packs 75% more oil cooling capacity Lowers peak oil temperature 20 30 degrees Thermostat and bypass valve included Complete new casting and assembly Made in the USA Warranty: 1 Year Unlimited Mileage Warranty Introducing the Big Boss Performance Dual Oil Cooler for Cummins X15 and ISX Engines, the ultimate solution for keeping your engine's oil cool and