This high-performance 13-tooth centrifugal automatic clutch is a professional replacement and upgrade part designed for 428 chain drive systems, widely compatible with go karts, minibikes, ATVs, fun and other small power equipment. It adopts a heavy-duty all-metal structure with machining, delivering exceptional wear resistance, high temperature tolerance and stable operation under continuous working conditions. Featuring a standard 3/4" (20mm) bore diameter, this clutch offers perfect adaptability to most stock and modified small engine shafts, ensuring easy installation and firm fixation. The automatic centrifugal design provides smooth, engagement without manual operation, automatically engaging at rated RPM and disengaging when idling. Color: Black Material: Aluminum Alloy Package Contents: 1x13T Tooth Centrifugal Automatic Clutch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
High-performance 13-tooth centrifugal automatic clutch designed for 428 chain drive systems. Heavy-duty all-metal structure with machining for exceptional wear resistance and high temperature tolerance. Standard 3/4" (20mm) bore diameter for perfect adaptability to most stock and modified small engine shafts. Automatic centrifugal design provides smooth, engagement without manual operation. Delivers smooth power delivery, stable -up, low noise during operation, and effectively extends service life while reducing maintenance frequency.
Delivery & returns: ships from Australian warehouses, usually within 5–12 business days. A few very remote postcodes can’t be reached by our couriers — if yours is one, we’ll contact you before dispatch. Faulty or damaged items are covered under the Australian Consumer Law.
