Powerhead Rebuild Kit

We offer two kit options for this application.
A “Short Kit” which includes: Piston Kits (piston, Riken Rings, wrist pin & Clips), Complete Powerhead Gasket Kit with Crank Seals and Rod bolts.
A “Complete Kit” which includes everything in the short kit, plus contains all powerhead bearings!

The pistons in this kit are available in STD, .010″, .015″, .020″, .030″ and .040″ oversize. To order your kit, select your desired options, then click “add to cart”. If your cylinders require different size pistons, you will need to give us a call to place the order

Standard Bore size: 3.500″

Fits

Mercury / Mariner

200hp 1994-2004 2.5L

Replaces: 9737T9, 9738A7, 9738A9, 9738T9, 815810A90