Triumph 650 Twins Piston Set - JCC - To 1972 Piston Size - Head Type:+.080 (Alloy Head) M Part number is 57-0372

M Part number is 57-0372 or T0372

The correct bearing for this High Gear can be found in the link below

Made England

Golden Flash

Hole spacing measure approx 1 7/16" apart

Triumph 650 Twins Piston Set - JCC - To 1972 Piston Size - Head Type:+.080 (Alloy Head) M Part number is 57-0372Complete your Triumph 650 top end job by installing a new set of JCC pistons. JCC pistons are the best thing (or better?) since original AE Hepolite pistons. We have found JCC pistons to be more consistent than any original or "NOS" piston. JCC pistons come complete as shown (sold in sets) with pins, clips and pistons. Compression ratio is 9: 1 which is standard for most applications Fits all Triumph 650 unit twins (6T, T120, TR6, etc) from 1963 1972.