The Mahle Performance plasma steel top ring and HVOF moly ring set is specified for a 3.801 in bore with a 1.0 mm height and .143 in RW specification. Intended for engine rebuilding and ring replacement where these dimensions are required, this Mahle ring set supplies the top and moly ring components suited to the listed bore size and dimensions.
Mahle Rings Performance Plasma Steel Top Ring 3.801in x 1.0MM .143in RW HVOF Moly Ring Set