17-23 Harley Davidson Touring Star-Racing High Performance 640SK Valve Springs
If you upgraded the cam in your M8 and need to beef up your valve springs, these are an excellent choice. Will fit with any cam and triple groove valve. PSI Valve Springs up to 640 Lift. JHE Titanium Retainers exclusive to this new spring design. Trend Billet Steel Triple Groove Locks. Lower Collar with […]