S&S
S&S, M8 valve spring kit. Steel. .605" valve lift
S&S, M8 valve spring kit. Steel. .605" valve lift
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High performance valve spring kit for M8 models with conical single wire (beehive) style springs. Kit includes beehive springs; steel top collars; bottom collars / seals and valve spring keepers. Compatible with cams providing up to .605" valve lift. 1.535" installed height; seat pressure 68 lbs; 324 lbs@.605"; max RPM 6500. OEM replacement reference 18100043; 18100140
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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
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Founder-led aftersales
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