ASP Underdrive Pulley
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The ECS ASP Underdrive Pulley Kit increases engine horsepower by reducing the amount of power required to drive external engine accessories. The alternator, power steering, water pump and air compressor together reduce engine horsepower. The ASP Kit also reduces the rotating inertia on the front of the crankshaft allowing for faster revving. By replacing factory-sized crank and accessory drive pulleys with a this resized pulley, the accessories are slowed, resulting in more horsepower available to the drive wheels. All pulleys are manufactured from billet steel and aluminum, much improved quality and construction over OEM pulleys.
ASP Underdrive Kit comes with:
- ASP underdrive pulley
- Two new belts
- Replacement balancer bolt
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Shipping is Continental US Only Contact Us for International Arrangements Complete Kit Shown Below:
This mod is typically done in conjunction with a Cam only or Cam and Head Package since the majority of the necessary labor is already in progress during install of one of these packages.
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