Colony Machine #6912-4 5/16-18 UNC Chrome Plated Pike Nuts - 4 Pack

They are fully CNC machined with swirl polished tulip profiles

heat transfer

Fits all S&S Super E

Custom chrome plated bolt replaces original equipment on mid 1985-87 XL and FX

Piston Rings for Triumph 650 c.c. Motorcycles - .020 over Outside Diameter_1.875" Colony Machine #6912-4 5/16-18 UNCThese piston rings are produced for Triumph 650 c. c. motorcycles by Grant and are a superior choice for your vintage British motorcycle. Made in the USA. NOTE: Triumph 650 c. c. bikes have a 71 mm bore standard, +0. 020" is 71. 5 mm, +0. 040" is 72 mm, +0. 060" is 72. 5 mm, and +0. 080" is 73 mm.