REBUILDING YOUR BSA BANTAM D5/D7 175cc?
NEED PISTON RINGS FOR YOUR +20 THOU (62.0mm) 3-
RING, FLAT-TOP PISTON?
YOU GET 3 OFF, BEST QUALITY PISTON
RINGS +020"SIZE FOR YOUR BANTAM 175cc, 3-RING,
FLAT-TOP PISTON.
THICKNESS OF THESE RINGS IS APPROX 3/32"
RADIAL DEPTH IS APPROX 2.50MM