The Pertronix "Flame-Thrower" billet distributor has many outstanding features such as: -"Ignitor II" electronic control module for increased spark and the most accurate timing control for improved low- and high-rpm performance -CNC-machined, 6061-T6 polished aluminum housing -Tempered 1/2" diameter low torsion distributor shaft for more accurate timing -Upper distributor shaft roller bearing with oil-impregnated lower bushing for reduced friction and high-rpm vibration -Machine heat-treated gear for durability and less timing fluctuation -A proprietary mechanical advance adjustment that is easy-to-use and has a number of settings limiting maximum advance -They come with a factory performance advance curve, but additional springs are provided so you can tailor your own curve -High, dielectric-strength cap with brass contracts and a premium rotor -Available is the latest in distributor caps with brass male connector cap terminals for the ultimate in plug wire-to-cap retention This all adds up to one of the finest quality and best-performing distributors on the market today. Get the Flame-Thrower!