Race Star 63 Pro Forged Aluminum Wheel - 15 x 3.5 in - 1.75 in Backspace - 5 x 4.75 in Bolt Pattern - Black / Machined 5000201 Features:Must be used with an

Race Star 63 Pro Forged Aluminum Wheel 15 x 3.5 in 1.75 in Backspace 5 x 4.75 in Bolt Pattern Black Machined 5000201 Features:Must be used with an Features:Must be used with an MSD Ignition ControlPolished steel shaft is QPQ coated and guided by a sealed ball bearing for smooth operation at all rpmsMaintenance free magnetic pickup and precision reluctor create stable trigger signals throughout the rpm rangeCNC machined billet aluminum housing and billet aluminum base providing superior strength and great looksEasy to adjust mechanical advance with supplied springs and stop bushings (except locked out versions)Advance plate and weights are fine blanked from chrome moly steel and QPQ coated for friction reductionAdvance weight pins are staked and tig welded to the plateNylon pads ensure smooth operation of the advance weightsMechanical advance assembly can be locked out for crank trigger systems or racing applications and blocks