1998.5-2018 Bolt and Spacer Set for Cummins Exhaust Manifold 5.9L/6.7L PPE Engine Oil Filler Cap|Engine|Engine and Components Adequate fuel flow is vital

Adequate fuel flow is vital to producing maximum efficient/clean horsepower

complete your project with this remote filter mount

towing and off-road use create more stress than the stock tie rods were designed to handle

should only be used in off-road / competition applications

Stellite-reinforced exhaust valves

1998.5-2018 Bolt and Spacer Set for Cummins Exhaust Manifold 5.9L/6.7L PPE Engine Oil Filler Cap|Engine|Engine and Components Adequate fuel flow is vitalUpgrade the rusty or broken exhaust manifold bolts on your Cummins 5. 9L 6. 7L with the PPE Exhaust Manifold Bolt and Spacer Kit. Over time, repetitive heat cycles can take a toll on factory bolts, causing fatigue and stretching, ultimately resulting in troublesome exhaust leaks. Each PPE Manifold Bolt is centerless ground and rolled with extreme precision, reducing stress concentrations, and increasing durability. The use of Spacers mitigates the