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