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The machined sealing surface ensures compatibility with RTV or gasket sealants
Compatible with stock and aftermarket exhaust systems
If you've lowered your truck or swapped in a different transmission
It is engineered for the idle-to-5500 RPM power band
25-inch to accommodate various exhaust configurations
Hypertech 128831 Hypertech Street Runner Power Chips COMP Cams Solid Lifters The machined sealing surface ensuresHypertech'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
US$ 15.00
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US$ 150.00
