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Precision shim for 102C, 108C, 108EXP & 108 4-Pro clutches. The Comet Spring Shim is a simple, durable washer designed to fine-tune clutch engagement for smoother starts and improved performance.
Perfect for racers and tuners who need precise control over clutch engagement. Use one or stack multiple shims to reach your desired RPM and optimize acceleration and clutch bite.
Note: Verify compatibility with your clutch model before installation. Professional installation recommended for best results.