Home / Engine & Performance / Valves & Springs / Piper Top Hat Shim to Suit 6mm Valve Stem – 6.0mm “ARP GM DURAMAX 6.6L L5P CA625+ HEAD STUD KIT” has been added to your cart. View cart Piper Top Hat Shim to Suit 6mm Valve Stem – 6.0mm€ 12,04 Piper Top Hat Shim to Suit 6mm Valve Stem - 6.0mm quantity Add to cart SKU: SHIM66 Categories: Cylinder Heads, Engine & Performance, Valves & Springs, Valves & Springs Brand: Piper Cams Description Description Thickness: 6.00 Related products Bolts & StudsEngine & Performance ARP cabinet with SS hex accessory bolts Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG50 Progate 50 Bolts & StudsEngine & Performance Chevy Duramax 6.6L diesel CA625+ custom age HSK Bolts & StudsEngine & Performance ARP cabinet with SS hex metric accessory bolts