Panhead or Ironhead models with a 2 bolt flange style manifold

chopper or cafe racer

locktabs 3478-31

Direct CV Carb Fitment: Specifically engineered to fit Harley-Davidson motorcycles with CV carburetors

Pistons for Triumph 650 c.c. Motorcycles - +0.020 Subcategory_Gas Tank Accessories Panhead or Ironhead models withThese pistons are produced for Triumph 650 c. c. motorcycles by Emgo and include the pair of pistons, two wrist pins, and four keepers as pictured. These pistons are a stock 9: 1 compression ratio. Piston rings are sold separately. 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.