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Ships within 48 hours · Estimated delivery Oct 19 - Oct 24
M Part number is 99-7054
Experiencing Transmission problems
Replaces part number 57-7052 and T7052
Fits Triumph 500 & 650 Pre-Unit (T100
Harris & Girling
Lucas Type Auto Advance Unit Springs (1 PAIR) - 54415642 14-0702 M Part number is 99-7054New Lucas Type Auto Advance Spring Set. It is crucial that your auto advance springs are in good working order. In detail, if your springs become worn and loose tension, it will cause erratic idle especially when the RPM's are decreasing. This new auto advance spring set has the right tension which will allow your motorcycle to rev smoothly throughout the RPM range and smoothly at idle. Works with most Triumph, BSA, & Norton singles, twins and triples