These rings will fit all OMC 9.9 -15 93 & Up engines. WSM Rings are top quality RIK Japanese high performance rings. Will fit OEM factory pistons.
Wiseco rings will fit Wiseco forged piston only.
O.E. No. 396377
Ring set includes:
1 Top ring
1 Bottom ring
This ring set will fit the following applications only,
18 Jet 95-99
20 HP 81-83
20 HP 85-95
20 HP 97
25 HP 81-99
28 HP 86-89
30 HP 84-99
35 HP 81-84
Cross flow
