Cylinder HeadsCylinder Heads|Engine & Performance Piper Top Hat Shim to Suit 7mm Valve Stem – 3.0mm Cylinder HeadsCylinder Heads|Engine & Performance Piper Top Hat Shim to Suit 7mm Valve Stem – 4.0mm Cylinder HeadsCylinder Heads|Engine & Performance Piper Top Hat Shim to Suit 7mm Valve Stem – 5.0mm Cylinder HeadsCylinder Heads|Engine & Performance Piper Top Hat Shim to Suit 7mm Valve Stem – 6.0mm Cylinder HeadsCylinder Heads|Engine & Performance Piper Top Hat Shim to Suit 8mm Valve Stem Cylinder HeadsCylinder Heads|Engine & Performance Piper Top Hat Shim to Suit 8mm Valve Stem – 2.0mm Cylinder HeadsCylinder Heads|Engine & Performance Piper Top Hat Shim to Suit 8mm Valve Stem – 3.0mm Cylinder HeadsCylinder Heads|Engine & Performance Piper Top Hat Shim to Suit 8mm Valve Stem – 4.0mm Cylinder HeadsCylinder Heads|Engine & Performance Piper Top Hat Shim to Suit 8mm Valve Stem – 5.0mm Cylinder HeadsCylinder Heads|Engine & Performance Piper Top Hat Shim to Suit 8mm Valve Stem – 6.0mm ← 1 2 3 … 14 15 16 17