Home / Engine & Performance / Motor / ARP 1/4 ID .550 OD SS no chamfer washer “ARP FORD 6.7L Powerstroke diesel CA625+ head stud kit” has been added to your cart. View cart ARP 1/4 ID .550 OD SS no chamfer washer€ 1,03 ARP 1/4 ID .550 OD SS no chamfer washer quantity Add to cart SKU: ARP-400-8506 Categories: Bolts & Studs, Engine & Performance, Motor, Motor Brand: ARP Related products Engine & PerformanceEngine Block JE-Pistons kit Ferrari 330 4.0L 24V 78.00mm 9.0:1 Engine & PerformanceEngine Block JE-Pistons kit Ferrari 250 3.0L 24V 74.00mm 9.5:1 Bolts & StudsEngine & Performance ARP cabinet with accessory bolts Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG45 Hypergate 45