Yukon Gear & Axle High Performance Ring and Pinion - 4.56 Ratio - 30 Spline Pinion - 8.5"/8.6" - GM 10-Bolt TK1-G1 1967-1968 Chevrolet Camaro Base CID 12-600-4 Size:6-7/8 (55) ATM7012 Stainless steel T bolt

Yukon Gear & Axle High Performance Ring and Pinion 4.56 Ratio 30 Spline Pinion 8.5" 8.6" GM 10 Bolt TK1 G1 1967 1968 Chevrolet Camaro Base CID 12 600 4 Size:6 7 8 (55) ATM7012 Stainless steel T bolt 1967 1968 Chevrolet Camaro Base CID 327 Naturally Aspirated GAS Features:CNC machined billet aluminum housing and billet aluminum baseNo CARB Exemption Order NumberWill not accept a vacuum advance canisterMust be used with an MSD Ignition ControlSupplied with an HEI style distributor cap and rotor (accepts Cap A Dapts)Nylon pads ensure smooth operation of the advance weightsAdvance weight pins are staked and tig welded to the plateMechanical advance assembly can be locked out for crank trigger systemsAdvance 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