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90.5, & 92mm Cylinder Shim (EA)



Product type: Cylinder Shims

Vendor: AA Performance Products



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.


Sizes available: