Wiseco, Piston Ring Set 3.875" Bore

Replacement for 3-3/4" bore Twin Cam models that are equipped with the 3-7/8" (3.875") Wiseco pistons used in 95" (1550cc / 4.00" stroke) and 103" (1690cc / 4-3/8" stroke)) engine with Wiseco pistons.

Fitment: 99-17 Twin Cam with 3-7/8" bore and Wiseco pistons (NU)

Suitable where the listed fitment matches.