PRW Power Serpentine Water Pump Pulley - Smooth - 83 mm Deep - Aluminum - Black - 4-Bolt Pattern - GM LS-Series 91101 Features:Drop-in billet replacement for GM

PRW Power Serpentine Water Pump Pulley Smooth 83 mm Deep Aluminum Black 4 Bolt Pattern GM LS Series 91101 Features:Drop in billet replacement for GM Features:Drop in billet replacement for GM distributors with the small cap and external coilFactory style ignition module accepts factory wiringCNC machined billet aluminum housing and billet aluminum baseMagnetic pickup and precision reluctor create stable trigger signals throughout the rpm rangeOversized steel shaft is QPQ coated and guided by a sealed ball bearing and an extra long sintered bushingSpecial oil tract improves lubrication to the distributor and cam gearO ring seals can be added to modified blocks to improve oil pressure controlSupplied with late model distributor cap and rotorLegal to install in all 50 statesMarine UL Certified 1955 1973 Pontiac Catalina