Triumph pistons Pre Unit TR6,T120,T110 +40/Pair-Alloy Head
70-3610/040.E3610.Triumph Kolben
TR6,T120,T110 650cc pre unit
71mm +40 = 72mm
Alloy Head
7:1
Piston Clearance 0.12mm or 45thou
if you wish to lower the compression of an iron head engine, these pistons can be used. Giving approx. 6.76:1
Made in England