For Big Block Mopar Dodge Plymouth 413 440 Complete Electronic Distributor Red Cap This a brand new Ready To Go HEI distributor with internal module and red cap. Designed for Dodge, Chrysler, and Plymouth Big Block (RB) V8 engines., 413 426 Wedge ,440 V8's Great for upgrading non computer controlled engines Magnetic pickup (never requires adjustment) . Small base and cap (3 3/4") desigh, just for space savings