Piston Kit, Cast – Mercury High Perf 2.5L, Sport Jet

Description

Cast Piston Kit

This is a very high quality cast aluminum alloy flat top piston. This kit comes with the piston, Riken rings, wrist pin and pin clips.

These pistons are available in Port and Starboard in sizes STD, .010″, .015″, .030″ and .040″ oversize

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.

Standard bore size for this application is 3.500″.

Pistons have 1.5mm rings and are to be used with a top guided connecting rod (644 casting number on rod)

Fits:

Mercury High Performance

2.5L Pro Max / Super Mag

Sport Jet

All V6 2.5L Carb & EFI

Replaces: 785-841088T1, 785-841089T1, 785-854686A7, 785-854686A11, 785-854687A7, 785-854687A11, 9738T11, 9737T11