GM Duramax 6.6LHarmonic Damper Bolt Kit - 129-2503 booty Outflows factory intake by 55%

Outflows factory intake by 55%

Outflows Factory Intake by 35%

We utilize world class calibration equipment and pride ourselves with a very low claim rate and our specialized computer driven test benches catch defects before they leave our facility

The PPE Coolant Overflow Tank will hold up to one gallon of coolant

Cummins Heavy Duty Dual Pump Belt

GM Duramax 6.6LHarmonic Damper Bolt Kit - 129-2503 booty Outflows factory intake by 55%The prices listed on this website are for estimating purposes only. Outside the United States, the prices may be higher due to transportation costs and import duties. Please check with your ARP dealer for actual pricing. Price includes applicable core fee . Part Number: 129 2503