TRIUMPH unit 650 9 bolt to 750 big bore kit pistons rings barrels 9:1 BSA I originally had 12 sets

I originally had 12 sets and they all fit perfectly

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This is the correct set for ES2 1955 to 56 and 19S 1955 56 57

This product is New - Clutch Pull Rod Triumph Trident T150 T160 BSA Rocket 3 A75 57-2552 USA MADE

TRIUMPH unit 650 9 bolt to 750 big bore kit pistons rings barrels 9:1 BSA I originally had 12 setsThis product is New TRIUMPH unit 650 9 bolt to 750 big bore kit pistons rings barrels 9: 1 215 Sonny Routt Design Made in Birmingham England Aerco You will get the one brand new Aerco big bore kit that is pictured for 1966 to 1972. You get the barrels that have the oil ports for the exhaust lifters, the 5 16" center bolt hole , Aerco pistons Federal Mogul beveled piston rings. 215 Sonny Routt Design Made in Birmingham England Aerco This is the correct