Heavy-duty 428-pitch roller chain engineered for wet clutch Bulldog 9 hp go-kart powertrains, supplied at 900 mm total length. Robust specifications—12.49 mm centre pin spacing, 8.37 mm roller diameter, 8 mm roller width—accommodate higher torque loads and sustained acceleration cycles inherent to 9 hp platforms. Direct OEM compatibility ensures precise sprocket alignment and reliable power delivery through the wet clutch engagement system across competitive and recreational operation.
