8.90 1.88mm - 5PK890188

Hot Cams shim valves are precision-engineered components used during valve clearance adjustment to achieve the correct tappet clearance in four-stroke engines. This shim measures 8.90mm in diameter and 1.88mm in thickness, making it a specific replacement for fine-tuning valve train geometry. Selecting the correct shim size is essential for maintaining optimal engine performance, longevity, and reliability.

• Diameter: 8.90mm
• Thickness: 1.88mm
• Designed for use in four-stroke motocross and enduro engine valve trains
• Used to set precise valve clearances during engine rebuild or routine valve adjustment
• Part number: 5PK890188

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