Cylinder Shim Set, 90.5-92mm .020", Set 4, Fits VW Air Cooled,Bug Sand Rail, EMPI 21-7030

Cylinder Shim Set, 90.5-92mm .020", Set 4, Fits VW Air Cooled,Bug Sand Rail, EMPI 21-7030

$20.95

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Cylinder Shim Set – EMPI 21-7030-0 (.020")

These steel cylinder shims are designed to adjust deck height and compatible with Volkswagen air‑cooled engines without the need for machining the pistons or cylinders. They are commonly used when increasing stroke or when the engine case has been surface machined, helping restore proper deck height and compression ratio.

Features:

  • Adjusts deck height without machining
  • Corrects for increased stroke or case machining
  • Steel construction for durability and consistent sealing
  • Clearanced for both 8mm and 10mm head studs
  • Sold as a set of 4

Specifications:

  • Bore Size: 90.5mm / 92mm
  • Thickness: .020" (0.50mm)
  • Part Number: EMPI 21-7030-0

Ideal for engine builders, performance upgrades, and precision deck height adjustments compatible with VW classic air‑cooled engines.

21-7030 - Cylinder Shim Kit, Set Of 4, .020"

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