MCS
Replacement cylinder 95"/103" Twin Cam, front/rear. Black
Replacement cylinder 95"/103" Twin Cam, front/rear. Black
Couldn't load pickup availability
Quality stock replacement 3-7/8" (3.875") bore Twin Cam cylinder. Front & rear cylinders are identical. Dowel pins are included. Cylinders are sold each; without pistons; rings and gaskets. Stock replacement for 103" Twin Cam (with 4.375" stroke) and fits as big bore conversion cylinder for 88" to 95" bore (with OEM 88" 4.00" stroke). Note: Cylinders must be finish bored and honed to fit stock size pistons. Cylinders are sold without pistons and rings.
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Why buy from Forty5°
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Verified compatibility
Every part we ship is checked against your bike's platform, year, and engine. If it doesn't fit, we tell you before you check out.
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Workshop installation
Book a serviceHave us fit it. Book installation at parts intake — same-day on most jobs, master techs only.
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Founder-led aftersales
Get in touchQuestions after fitment? You'll speak to the people who installed it. We answer email and WhatsApp seven days a week.