PerTronix Jeep J-4700 Engine Parts

Speedway Tech Zach discusses the Pertronix Ignitor III conversion in his '55 Chevy.

Instructions on how to install a PerTronix Ignitor Kit in an old flathead distributor for a flathead V8.

In this Tech Tip, John answers a customer question about what would be needed to swap some additional power in place of his anemic 233c.i. Ford.

While everyone is looking for a 6.0 LS, don’t count out the original 5.7 LS1 engine for your next LS swap performance build

Looking to swap the venerable LS engine into your hot rod, muscle car, or classic truck? Take a look at our detailed identification guide for Gen III/IV LS engines before you hit the salvage yard or swap meet!

Build a high-performance Gen V LT engine with proven power combos and learn about LT upgrades and tuning tips for maximum power

This is more than the story of a vintage sprint car. It's also the story of how a dynamic duo of "Speedy" Bill Smith and Jan Opperman toppled giants at the 1976 Hulman Classic.

This resource contains a transmission pan shape ID chart and other tips to help with identifying GM transmissions.