Lucas Type Auto Advance Unit Springs (1 PAIR) - 54415642 Wipac M Part number is 97-4575

M Part number is 97-4575 or H4575

New SRM BSA Twins Finned Magnetic Sump Plate Complete Mounting Kit

Gear boxes that use the early style "plunger" MUST use the shift plate we stock under 57-0500 / T500 and later models that use the "Leaf Spring" set-up must use the plate 57-4055 / T4055

You will get a total of six clutch plates as pictured

works with some of the following models: Triumph T90

Lucas Type Auto Advance Unit Springs (1 PAIR) - 54415642 Wipac M Part number is 97-4575New 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