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Fine-tune your engine’s compression ratio and deck height with this set of 4 cylinder base shims, designed for use with 94mm barrels on Type 1 aircooled VW engines.
These 0.060″ (1.524mm) thick shims mount between the crankcase and cylinder to space the barrel out slightly—essential for setting proper squish clearance, avoiding piston-to-head contact, or adjusting compression for turbo, stroker, or big-bore setups.
Ideal for custom engine builds or rebuilds, these shims are compatible with a wide range of aircooled VW models using 94mm barrels.
Fitment:
Fits all Type 1 aircooled engines with 94mm barrels
Thickness: 0.060″ / 1.524mm
Installation: Between cylinder and crankcase
Application: Deck height and compression tuning
Applications:
VW Beetle: 1960–1979
VW Splitscreen Van: 1960–1967
VW Baywindow Van: 1968–1979
VW Karmann Ghia: 1960–1974
VW Type 3: 1961–1973
VW Trekker (Thing): 1968–1983
VW Buggy + Baja: 1960–1979
Quality: Good quality aftermarket
Quantity: Set of 4 (enough for one engine)
May Also Need:
Barrel shims in other thicknesses for precision adjustment
Longer cylinder studs (depending on shim stack height)
Pushrod tube seals
Deck height measuring tool
Manufacturer: EMPI
Availability: Stock Item
Unit of Measure: Set
Dimensions:
Width: 150mm
Height: 200mm
Depth: 15mm
Volume: 450000mm3
Weight: 0.0928kg
This Part Fits: Beetle, Karmann Ghia, Baywindow, Splitscreen, Trekker, Type 3, Buggy,