Unorthodox Racing Ultra Series pulley sets are available in a number of versions: 1) factory belt layout with underdrive (Ultra SS), 2) our new 12Volt Charger Series with no underdrive (Ultra SSc). Our Ultra Series pulley sets build upon the success of our crank pulleys with the addition of accessory pulleys. Like our crank pulleys Ultra Series pulley sets are CNC machined from lightweight 6061 T6 aluminum billet. Premium 6061 T6 aluminum billet ensures the consistency of the materials strength and balance. Tolerances for each crank and accessory pulley are held to within .001. In addition to the numerous machining steps taken to ensure the crank pulley is the lightest possible design, each accessory pulley is also lighter than the factory piece it replaces and includes lightening holes where possible. Our aluminum accessory pulleys are also an excellent replacement for the brittle plastic pulleys found on many late model cars. Premium fit and finish ensures a beautifully matched set you are proud to display under the hood of your vehicle. Unorthodox Racing pulley sets on average can provide gains of 8 to 15 HP and 6 to 10 lbs.ft. on normally aspirated engines and 10 to 18 HP and 10 to 20 lbs.ft. on forced induction engines.

Price - 280.00 USD
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