Description
Cast Piston Kit
Standard Bore is: 3.500″
This is a very high quality cast aluminum alloy piston. This kit comes with the piston, Riken rings, wrist pin and pin clips.
This piston will only work with bottom guided motors!! To confirm a bottom guided motor, the rod casting number should be “636-8118”
These pistons are available in Port and Starboard in sizes STD, .010″, .015, .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.
Fits:
Mercury / Mariner
150-200hp 2.5L Bottom Guided
Replaces: 785-9737T4, 9738A5, 9737T4, 9737A5, 8667T42, 8667A43, 8666T42, 8666A43, 9738T4, 7445A12, 7446T12, 7441T36, 7442T36, 7443A12, 7444A12
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