Horstman MDC Clutch Drum - #35 Chain 17T-21T - 4-Cycle Sprint & Oval RacingMaximizing rotational energy transfer from the crankshaft to the rear axle requires precision machined new parts, which is exactly why our online kart store stocks the Horstman MDC Clutch Drum. Engineered specifically for high stress kart racing applications, this drum minimizes rotational mass while maintaining the structural integrity required to handle aggressive engagement profiles. When you are dialing in your gear ratios for tight sprint tracks
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