Triumph 6T Piston +20 /Pair-Iron Head
70-2891/020.E2891.020Triumph 6T pistons +20 650cc
Pre Unit
f. Cast Iron Head
7:1
71mm +20=71.5mm
for Cast Iron Head - please do not fit to alloy head
complete with gudgeon pin, piston rings and circlips
Piston Clearance 0.12mm or 45thou