This is an endless type chain, it does not come with a master link. This is an endless type chain and it does not come with a master link. 32T Cam Chain Sprocket and 25H-100L Timing Chain For Honda ATC185 ATC200 CB100. Manufacturer Part: 14401-958-003. Replacement Part Fits Honda: CB100K - 1970-1972CL100K - 1970-1972CL100S - 1971-1973SL100K - 1970-1973XL100K - 1974-1975CB125S - 1973-1975CL125S - 1973-1974SL125K - 1971-1973TL125K - 1973-1975XL125K - 1974-1975XL185S - 1979-1983XR185 - 1979XL200R - 1983-1984XR200 - 1980-1984XR200R - 1981-1983 + 1986-1988 + 1990-2000 25H (heavy duty) type chain - 86 links EK Part Number - EK25H86L Made in Japan. SPECIFICATIONS: Condition: Aftermarket 100% Brand New Part Type: Engines & Components Material Type: Steel External Testing Certification: ISO9001 Item Type EK Chain stock replacement cam chain for the Honda CB100K and many other small Honda's from the early 70's. EK Cam Chain - 25H X 100L - 14401-958-003 - Compatible With Honda CB100... If you need to use a master link, make sure to purchase a EK brand master link for a 25H type chain., 25H x 100 Links 25H x 100 Links EK Part Number - EK25H100L Equivalent to Honda OEM part number: 14401-107-000 (DK210H-100L) and 14401-958-003 We also have the master link that fits this chain. Larger Selections with Deep Discount on Vehicle Parts, Accessories, and More! Auto Timing Chain For HONDA 14401-RB1-003