These rings will fit all OMC 100 HP 79-80 & 90-93 4 Cyl. 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. 394930
Ring set includes:
1 Top ring
1 Bottom ring
This ring set will fit the following applications only,
100 HP 79-80 4 Cyl.
