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The undercut stem design improves flow without compromising structural integrity
Upgrade to polyurethane with this bushing set
Frame-mount installation with all required Grade 8 hardware and brackets included
Order your COMP Cams Magnum Retrofit Cam and Lifter Kits today and give your engine the cam it deserves
a failing water pump
Hypertech 129071 Hypertech Street Runner Power Chips Bestop Windshield Channels The undercut stem design improvesHypertech's Hypertech 129071 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 129071. The Street Runner
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