Performance Replacement HEI Distributor, direct plug-in with OE type connectors, GM HEI equipped Cars, Trucks (Pre-Computer). High dielectric strength cap, brass male towers. ACCEL Performance Replacement Distributors are the perfect choice for your daily driver or street machine. Using all new components, these distributors feature High-performance ACCEL Electronics. All new components-housings are either new castings or turned from billet stock, centerless ground shaft with oil lite bushings. High dielectric strength cap, balanced rotor. Male tower distributor cap with brass cap and rotor contacts (Ford and AMC Models feature screw-mounted wire retainer for the ultimate plug wire retention). Iron or steel distributor gear. Direct plug-in replacement with factory-type connectors for plug and play installation.