PerTronix Second Strike Ignition Box RG10003XL 1987 Chevrolet R10 CID 350

1987 Chevrolet R10 CID 350

1990-1993 Dodge W150

This bad boy rings in at just 2" and that's pretty good when you figure that the grip alone is about an inch of cushion foam

1985-1995 GMC K1500

2008-2013 Chevrolet Tahoe

PerTronix Second Strike Ignition Box RG10003XL 1987 Chevrolet R10 CID 350Second 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