BSA A65 650 Piston Set - JCC - 1962-72 Piston Size:+.060 M Part number is 064118

M Part number is 064118

*****Please note that this primary chain blade is not compatible with Triumph 350

3125" roller width

A75 & Trident) from 1968-1976

BSA A65 650 Piston Set - JCC - 1962-72 Piston Size:+.060 M Part number is 064118Complete your BSA 650 top end job by installing a new set of JCC Hepolite pistons. We have found JCC Hepoite 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. We also offer new Hepolite pistons W ring sets in this same listing Compression ratio is 9: 1 which is standard for most applications Fits all BSA A65 unit twins (Lightning, Thunderbolt, Spitfire,