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WSM Mercury 20-50 Hp Cross Flow Piston kit '72-'97, STD 100-05K, 743-5172A6

Marsoni M251S
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WSM Mercury 20-50 Hp Cross Flow Piston kit '72-'97, STD 100-05K, 743-5172A6Piston Kit: Mercury 20 50 Hp Cross Flow Hp STD Only STD Size Only ITEM#: 100 05K PISTON KIT: MERCURY MARINER 20 50 HP CROSSFLOW 72 97 STANDARD OEM#: 743 5172A6, 780 9229A7 NOTE: 2. 565" BRAND: WSM FITMENTS: Make Model Year(s) Mariner ALL Mercury 2 Cyl 2. 565 Bore Cross Flow 20 1972 1979 Mercury 4 Cyl 2. 565 Bore Cross Flow 40 1989 1997 Mercury 4 Cyl 2. 565 Bore Cross Flow 50 1970 1985 NOTE: 2. 565"
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4.6 ★★★★★
Based on 664 reviews
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Keri J.
Grantham, US
★★★★★ 5
Helps a lot!
Color: peach+urea
This helps with dry cracked heels more than anything else I’ve tried. Will order more. I put this on, then cover with a silicone heel cup for a couple hours.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 19, 2026
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Verified Purchase
PAULETTE K. ROBBINS
Port Orchard, US
★★★★★ 4
Good products
Color: peach+urea
Working just fine
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 12, 2025
K
Verified Purchase
katty
Battle Creek, US
★★★★★ 5
Smell
Color: peach+urea
Work good
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 9, 2026
K
Verified Purchase
Kindle Customer
Draper, US
★★★★★ 1
No difference
Color: peach+urea
I haven't noticed any difference whatsoever
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Reviewed in the United States on November 14, 2025
N
Verified Purchase
nya
San Leandro, US
★★★★★ 5
Exelente
Color: peach+urea
Lo macimo. Hidrata al 100porsiento
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Reviewed in the United States on March 4, 2026

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