Wiseco Piston Kit

Standard Bore Size (2.565″)

This is a very high quality forged piston. This kit comes with the piston, Wiseco rings, wrist pin and pin clips.

These pistons are available in STD, .020″ and .030″ oversize

Fits:

Mercury / Mariner

20hp 1972-79
40hp 1990-97 Classic Inline 4
45hp 1986-89 Classic Inline 4
50hp 1970-85 Classic Inline 4

To order, select your desired options, then enter the quantity and click “add to cart”. Most standard and oversize pistons are in stock however some sizes may be on a short backorder from time to time. Please don’t hesitate to contact us for assistance.

Replaces: 3193A2, 3193A4, 5172A6, 9229A7