Home / Engine & Performance / Valves & Springs / Piper Top Hat Shim to Suit 7mm Valve Stem – 4.0mm “Chevy Duramax 6.6L diesel CA625+ custom age HSK” has been added to your cart. View cart Piper Top Hat Shim to Suit 7mm Valve Stem – 4.0mm€ 12,04 Piper Top Hat Shim to Suit 7mm Valve Stem - 4.0mm quantity Add to cart SKU: SHIM74 Categories: Cylinder Heads, Engine & Performance, Valves & Springs, Valves & Springs Brand: Piper Cams Description Description Thickness: 4.00 Related products Bolts & StudsEngine & Performance ARP cabinet with black hex accessory bolts Engine & PerformanceEngine Block JE-Pistons kit Ferrari 330 4.0L 24V 78.00mm 10.0:1 Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG40 Comp Gate 40 Bolts & StudsEngine & Performance ARP cabinet with accessory bolts