VW 90.5mm/92mm Cylinder Shim Set Size .010"/0.25mm vw valve train The sandwich adapter fits between

The sandwich adapter fits between the stock filter mount and filter

and hardened valve locks

Does not fit with stock muffler

Show quality polished billet aluminum oil pump cover with 3

Deeper bosses for breather fittings and internal gusseting for strength

VW 90.5mm/92mm Cylinder Shim Set Size .010"/0.25mm vw valve train The sandwich adapter fits betweenThese steel shims allow for adjusting deck height without machining the pistons. Corrects for increase in stroke and compensates when case is surface machined. Clearanced for standard 8mm studs and sold in sets of 4. This set is for 90. 5 92mm Pistons in size . 010" 0. 25mm All sets have been clearanced for 8mm studs.