CYLINDER SHIM SETSEMPI 21-6040-0 is a set of cylinder shims compatible withVolkswagen air-cooled engines with 85.5mm, 87mm, and 88mm pistons. These steel shims allow for adjusting deck height without machining the pistons, making them ideal for engine builds and modifications.Features:
Material: Made from steel for durability.
Fitment: Compatible with Volkswagen air-cooled engines using 85.5mm, 87mm, or 88mm pistons.
Thickness: .040" (1.00mm) for precise deck height adjustments.
Function: Corrects for increased stroke and compensates when the case is surface machined.
Clearance: Designed for standard 8mm studs.
Sold As: Set of 4.
These cylinder shims are essential for performance tuning, ensuring proper compression and deck height adjustments in Bug, Baja, and dune buggy builds.21-6040 - Cylinder Shim Kit, Set Of 4, .040"