Hypertech 128831 Hypertech Street Runner Power Chips COMP Cams Solid Lifters It is engineered for the

It is engineered for the idle-to-5500 RPM power band

If you've lowered your truck or swapped in a different transmission

3101G formulation includes graphite lubrication for noise-free operation

0-inch mandrel-bent 409 stainless steel for durability and corrosion resistance

Sold as a set for both sides

Hypertech 128831 Hypertech Street Runner Power Chips COMP Cams Solid Lifters It is engineered for theHypertech's Hypertech 128831 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 128831. Gains of 10 20 HP