Shims and Gaskets

Cylinder Shims

85.5, 87, & 88mm Cylinder Shim EA

For setting your engine proper deck height.Use these shims to adjust deck height for optimum perf...

For setting your engine proper deck height.Use these shims to adjust deck height for optimum performance. No need to machine the pistons. All popular thicknesses offered.  Sold EA 4 needed per engine Check out our engine calculator to determined proper thickness. http://www.aapistons.com/pages/engine-capacity-and-compression-calculator   Sizes available:  .010 .020 .030 .040 .060 .090  

$5.00 – $5.00 6 variants

Cylinder Shims

90.5, & 92mm Cylinder Shim (EA)

For setting your engine proper deck height.Use these shims to adjust deck height for optimum perf...

For setting your engine proper deck height.Use these shims to adjust deck height for optimum performance. No need to machine the pistons. All popular thicknesses offered.  Sold EA 4 needed per engine Check out our engine calculator to determined proper thickness. http://www.aapistons.com/pages/engine-capacity-and-compression-calculator   Sizes available:  .010 .020 .030 .040 .060 .090  

$4.00 – $7.00 6 variants

Copper Head Shims

Type 1 94mm Copper Head Shim EA

Brand New set of Type 1 94mm Copper Head Shim  Sold EA 4 needed per engine Sizes Available: .040"...

Brand New set of Type 1 94mm Copper Head Shim  Sold EA 4 needed per engine Sizes Available: .040" .050" .060"  

$16.00 – $16.00 3 variants