This piston kit will fit OMC 150 HP 91-99 60 Degree Starboard Side Only 6 Cyl engines. Piston is a full cast and comes with Rik Japanese high performance rings. Wiseco pistons are forged and use Wiseco high performance rings.
Order Std size pistons if you are only honing your cylinders. If you have more damage to the bore and the cylinder will not clean up at STD. Please order the correct over size piston kit. Be sure to inspect your sleeves carefully for chipping and cracks. If you have damages beyond boring click Cylinder Resleeving Services for more information and pricing.
