These rings will fit all Mercury 3 Cyl. 70 HP 87-89 Loop Charge W/Boost Port . 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
O.E. No. 96170A12
This ring set will fit the following applications only,
Mercury 3 Cyl. 70 HP 87-89 Loop Charge W/Boost Port
