Triumph 650 Gearbox Camplate Index Plunger, Spring and Housing Kit Early PN# 57-0372 57-0373 57-0044


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Experiencing clunky shifting or a hard time finding gears or neutral on your Triumph 650 with a 4 speed gearbox? Or wanting to get rid of the flaky leaf spring setup on your 1971-72 gearbox?* This setup is for you! Includes Plunger Housing PN# 57-0372 T372, Plunger Spring PN# 57-0373 T373, Plunger PN# 57-0044 T44 & Washer PN# 57-3978 T3978, correct for Triumph 500 & 650 pre-unit twins & 650 unit twins up to 1968, will also fit 1969 onward Triumph Unit Twins which used housing PN# 57-2172 T2172 (which we also stock, see recommended links). Made in the UK by LF Harris

*Replacing the leaf spring shifter involves drilling and tapping your cases. If you are unsure which type shift selector mechanism you have, please call us.


LF Harris motorcycle spares are produced to the highest quality standards possible utilizing original Triumph tooling, dies, factory blueprints & materials combined with modern manufacturing equipment, tolerances & techniques.


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