Lucas 18D2 Distributor Auto-Advance Unit Springs (1-Pair) - 54410895 Inserts it will cause erratic idle

it will cause erratic idle especially when the RPM's are decreasing

Replace your old Ewarts petcock with this high quality Ewarts reproduction petcock

Made of steel - measures (approx) 5/16" x 15/32" x 15/32"

Light Glass

Whether you install a new crank bushing or camshaft bushings

Lucas 18D2 Distributor Auto-Advance Unit Springs (1-Pair) - 54410895 Inserts it will cause erratic idleNew Lucas 18D2 distributor replacement advance unit springs. This spring set was used on original Lucas 18D2 distributors as fitted to many early Triumph, BSA and Norton models (B31, 3TA, 5TA, T90, etc) May fit other models not listed.. Replaces part number 54410895. Check your parts book to ensure the best fitment. Please note that our springs are sold in a pair (as pictured) **Features** OEM part number is 54410895 Free shipping in the USA (lower 48)