Increase horsepower and torque with a new pulley that increases the boost from your Cobra’s supercharger. These Supercharger Pulleys are made from steel for long term durability and have holes drilled around the center of the pulley to lower the rotational weight. This is the highest quality pulley available for the 2003 Cobra. 3.10" pulley produces 1-2psi over stock. Testing has shown 25+ horsepower. Electronic engine tuning (Chip, Predator or SCT custom tune) recommended to give the processor the ability to compensate for the added boost. 2.81" pulley produces 4-5psi over stock. Testing has shown gains of 60+ horsepower. Requires electronic engine tuning (Chip, Predator or SCT custom tune) and a shorter belt, Gates part number K080740 (not included) To get the most benefit from your new supercharger pulley, we also recommend Cobra Boost Bypass Valve # 555-3315. Cobra and Lightning supercharger pulleys are pressed on, and require tool # 555-8900 for installation. We can also install them for you in our shop. |
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