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This genuine factory original Kawasaki OEM clutch inner hub center, also known as a clutch boss, is designed for vintage mid-1970s parallel-twin engines. It features factory reinforcement ribs, an intact center splined bore, and internal casting marker “2.” This part is ideal for original restorations or repairing clutch engagement issues. Product Specifications: Brand: Kawasaki OEM Part Type: Clutch Inner Hub / Clutch Boss Center Factory Part Number: 13087-040 Interchanges Within: 13081-074 Clutch Housing Assembly Material: Die-Cast Aluminum Casting Mark: 2 Vehicle Compatibility: 1974 Kawasaki KZ400 Standard Twin 1975 Kawasaki KZ400D 1976 Kawasaki KZ400D3 1977 Kawasaki KZ400D4 1975 Kawasaki KZ400S 1976 Kawasaki KZ400S2 1977 Kawasaki KZ400S3 Please compare the splined center and friction-engagement areas with your existing part before purchase.
Please verify compatibility with your specific motorcycle model before purchasing.
Cleaning Status
partially_cleaned
Cleaning Notes
Used degreaser
Worldwide shipping available
Express shipping available at checkout
Estimated delivery: 2-5 business days
All items are carefully packaged for safe transit
Items can be insured — contact us for more information
30-day return policy on most items
Items must be in original condition and packaging
Contact support for return authorization
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Yes, all parts with OEM numbers are genuine manufacturer parts. Check the specifications tab for the OEM number.
We offer a 30-day return policy. Items must be in original condition. See the Shipping tab for complete details.
Yes, we ship to most countries worldwide. Shipping costs and delivery times vary by location.
Parts are sold separately. We recommend professional installation for safety and warranty purposes.
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