Triumph Piston Unit 650 ccm T120/TR6 std. /Pair
9:1
650 Unit Engine
STD= 71mm
Piston Clearance 0.12mm or 45thou
complete with piston rings, circlips and gudgeon pin
Price per pair
LFH
Pistonmade in far east
Piston rings in England
Ariel Exhaust Valve 350 cc 1935-1950 NH. NF. NG. WD
1951-55 NH Mod.
Head 1.562"= 39,67 mm
Stem: 0,341" = 10,414 mm
L: 3,709"= 94,2086 mm
Made in England