2007.5-2018 Cummins 6.7L Harmonic Damper Bolt Kit (147-2503)2007. 5 2018 Cummins 6. 7L Harmonic Damper Bolt Kit (147 2503) The ARP 147 2503 Harmonic Balancer Bolt Kit is optimized for enhanced reliability and increased strength. Each kit includes four (M12 x 1. 25) 8740 Pro Series balancer bolts that are rated at 200,000 psi tensile strength, four 8740 parallel ground washers and a 1 2 oz. pack of ARP Ultra Torque fastener assembly lubricant. ARP bolts are cold forged to ensure molecular integrity, heat

and at the Race Track

Gator Fastener's chrome plated exhaust manifold studs are 12

Order the style designed for fitment with your vehicle and engine application

PPE High-Capacity Cast Aluminum Deep Engine Oil Pan Kit comes complete with fasteners

4 times finer media

People have noticed an increase in spool up and throttle response

Type 3 anodizing is used for long life

even under extreme RPM and fuel delivery

7L Fire Ring Gasket is designed to handle extreme cylinder pressures

This new design also features thick

So if you are looking for a drop-in replacement air filter that will enhance performance & efficiency

2001-2004 Duramax LB7 Dynomite Diesel Economy Series Reman Injectors (DDPLB7-ECO)