OEM-specification 420-pitch roller chain engineered for dry clutch 6.5 hp go-kart drivetrains, supplied at approximately 30 links (760 mm total length). Precision dimensions—12.45 mm centre pin spacing, 7.66 mm roller diameter, 6.64 mm roller width—ensure optimal engagement with dry clutch sprocket geometry and reliable torque transmission under load cycling. Direct compatibility eliminates fitment variables and supports consistent acceleration response across recreational and competitive applications.
