MSD Chrysler 331 354 Hemi RTR Distributor RG40003M Be sure to match your EQ TCC294A Be sure to match your clutch to your flywheel as well 580 in Guide 5 amp single spark through high rpmVacuum advance canister for improved economy (can be locked out)Easy to adjust mechanical advance with supplied springs and stop bushingsIncludes a built in Rev Limiter ApprovedDoes not require an MSD Ignition ControlSupplied with a HEI style distributor cap and rotor (accepts Cap A Dapts)Mechanical advance assembly can be locked out for crank trigger systemsPolished steel shaft is QPQ coated and guided by sealed ball bearingsMaintenance free magnetic pickup and precision reluctor create stable trigger signals throughout the rpm rangePowerful built in module produces a 7