Triumph 350 / 500 Unit "Duplex" Primary Chain (1) - 1957-74 - 60-0358 Fork Boots We also offer a replacement

We also offer a replacement grub / locking screw within this listing

*****Please ensure that your crankshaft can accept a 5/16" 26 T

7/8" diameter

Fits BSA 650 unit twins from 1971-1972

Do not settle for other low quality parts on the market

Triumph 350 / 500 Unit "Duplex" Primary Chain (1) - 1957-74 - 60-0358 Fork Boots We also offer a replacementIs your primary chain stretched or worn? Replace it today with our high quality Renold primary chain. Renold primary chain is OEM (Made in England) Renold primary chains we offer are endless (no masterlink required) and feature 78 links with two rows (duplex). Fits all Triumph 350 & 500 Unit Twins (Daytona, T100R, 3TA, 5TA, Tiger, T90, T100A, T100C, T100T, T100SS & T100SC) from 1957 1974. Please refer to your parts catalog for proper fitment. Please