Race Billet True Roller Timing Set0.005 in. Reduced Center DistanceIncl. Billet Cam Sprocket9 Keyway Billet Crank SprocketRoller Chain Both Sprockets Induction Hardened Billet SteelMachined On State Of The Art CNC Equipment9 Keyway Crank Sprockets Plus/Minus 6 DegreesPremium True Roller Chain w/0.25 in. Dia. RollersCold-Rolled And Hardened To Exact StandardsIncreased Load And RPM CapabilitiesEach Set Is Custom Hand-Matched At Cloyes Factory100 Percent Inspected And Certified At 0.005 Undersized