Description
Cast Piston Kit
Standard Bore Size (3.375″)
This piston is for Motors with Top Guided Rods
This is a very high quality cast aluminum alloy piston. This kit comes with the piston, Riken rings, wrist pin and pin clips.
These pistons are available in STD, .010″, .020″, .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.
For top guided engines with connecting rod #646
Fits:
Mercury / Mariner
70hp 1987-1990 Looper
75hp 1992-1993 Looper
80hp 1987-1990 Looper
90hp 1987-1993 Looper
100hp 1985-1993 Looper
115hp 1989-1993 Looper
Replaces: 777-815965A4, 777-815965T4, 815965A5, 815965A6
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