Digital HP Box
As we’ve checked out driver muscle cars around the country, one of the most popular upgrades is to boost the ignition from the (relatively) weak factory systems. The new Digital HP box from PerTronix is small in size, giving you more mounting options, but not in output: more than 187 millijoules of spark energy, 30 percent more than the competition, says the company. A simple dial interface accommodates a range of easy adjustments. The Digital HP box incorporates a three-step digital rev limiter, adjustable start retard, onboard diagnostics, and more. The Digital HP box is available in two finishes: black
(shown) or silver anodized. Information: PerTronix, 909/599-5955, pertronix.com.