Standard True roller Chain w/0.25 in. Dia. Rollers
Billet Camshaft Sprocket for Superior Street Performance. Billet Crankshaft Sprocket Has Nine Keyways for +/- 8 Degrees Adjustability. Crankshaft Sprocket Heat Treated for Durability. Seamless TRUE Roller 0.250" Roller Diameter Chain for Reduced Friction.