These rings will fit all Mercury 3V6 3.5" Bore 150 hp 2.5L . WSM Rings are top quality RIK Japanese high performance rings. Will fit OEM factory pistons.
Wiseco rings will fit Wiseco forged piston only.
Ring set includes:
1 Top ring
1 Bottom ring
This ring set will fit the following applications only,
Mercury 3 Cyl. 90 HP 1.5L OptiMax
