PerTronix Second Strike Ignition Box RS004C1908 Size indicated is I

Size indicated is I

Knurled (hand adjustable) curb idle screw allows for easy idle adjustment without the use of tools

1966-1967 Ford Ranchero CID 289

1967-1974 Chevrolet Corvette

PerTronix Second Strike Ignition Box RS004C1908 Size indicated is ISecond Strike is the only ignition system to provide a powerful second spark throughout the entire RPM range. Other multiple spark discharge systems typically drop off to one spark at about 3000 RPM. The "Second Strike" is a microcontroller based ignition supplement that works with most inductive type systems (points, GM HEI, Chrysler electronic ignition, Ford TFI and Duraspark, Ignitor and Ignitor II). Following the primary spark, the Second Strike