BSA A65 650 Piston Set - JCC - 1962-72 Piston Size:+.040 Please use the drop down

Please use the drop down menu to select which patent plate / rivet you desire - due to multiple manufactures producing patent plates

57-4114 or 68-3075

Does your steering feel notchy or tight when you turn your handlebars

Not compatible with Earlier & Later Twins

clip with and rear plates (no rubber or hardware) while the late T160 air box is just the box - no hardware or filter element

BSA A65 650 Piston Set - JCC - 1962-72 Piston Size:+.040 Please use the drop downComplete 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,