ARP High Performance Series Cylinder Head Bolt Kit Hex Head Chromoly Black Oxide Big Block Buick Body Bolt Kit Features:CNC machined billet aluminum housing IE0 0785 A01 071 S Features:CNC machined billet aluminum housing and Dupont Rynite baseNo CARB Exemption Order NumberSupplied with Cap A Dapt and rotor (accepts MSD socket style caps)Mechanical advance assembly can be locked out for crank trigger systemsNylon pads ensure smooth operation of the advance weightsAdvance weight pins are staked and tig welded to the plateAdvance plate and weights are fine blanked from chrome moly steel and QPQ coated for friction reductionPolished steel shaft is QPQ coated and guided by a sealed ball bearingMaintenance free magnetic pickup and precision reluctor create stable trigger signals throughout the rpm rangeEasy to adjust mechanical advance with supplied springs and stop bushings Zeon 12 Platinum These range from quality high performance OEM replacement parts to exotic specialty hardware for Formula 1 and has expanded to include virtually every fastener found in an engine and driveline