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Wiseco Piston Kit Standard Bore Size (3.375") 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 Port and Starboard in sizes STD, .020" and .030" oversize Fits: Mercury / Mariner 6 Cyl 2.4L 200hp 1978-1982 6 Cyl 2.4L 225hp 1980-1981 6 Cyl Chrome Bore 2.4L 175hp 1988-1991 6 Cyl Chrome Bore 2.4L 200hp 1983-1990 6 Cyl Steel Bore 2.4L XR-4 150hp 1988-1992 6 Cyl Steel Bore 2.4L XR-4 175hp 1991-1992 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: 8667T42, 8667A42, 8667A22, 9738A5, 9737T4, 9737A5 , 8667A43, 8666A43, 9738T4, 7445A12, 7441T36, 7442T36, 7443a12, 7444A12, 18487A12
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🇺🇸 Ship from USA · On Agora since 2026
$161.69