Hypertech 121251 Hypertech Street Runner Power Chips Automatic Transmission Shift Kits Intake manifold gaskets are designed

Intake manifold gaskets are designed to resist vacuum leaks and coolant migration

Accurate measurements and proper adjustments are the foundation of a quality engine build

Give your TJ a clutch that handles the trail without punishing your leg in traffic

5 inches while improving handling through reduced body roll and a lower center of gravity

Hypertech 121251 Hypertech Street Runner Power Chips Automatic Transmission Shift Kits Intake manifold gaskets are designedThe Hypertech 121251 Hypertech Street Runner Power Chips from Hypertech is a direct ECU reprogramming solution that replaces your vehicle's factory calibration EPROM with an optimized performance tune. Designed for OBD I and early OBD II gasoline vehicles, this performance chip rewrites fuel and spark tables for measurable horsepower and torque gains. It's a straightforward hardware upgrade that requires no laptop, no software, and no dyno tuning.