Hypertech 11621 Hypertech Street Runner Power Chips Eibach Alignment Kits precision-tuned fuel and spark maps

precision-tuned fuel and spark maps

Without proper dampening

The result is a valvetrain combination that performs exactly as intended

70" diameter

Hypertech 11621 Hypertech Street Runner Power Chips Eibach Alignment Kits precision-tuned fuel and spark mapsHypertech's Hypertech 11621 Hypertech Street Runner Power Chips delivers old school ECU tuning that defined the aftermarket for decades. By swapping the factory EPROM in your ECM for this pre programmed performance chip, you gain optimized fuel mapping, advanced timing, and refined transmission behavior. The Street Runner line covers a broad range of GM, Ford, Mopar, and import applications. This listing is for part number 11621. The Street Runner