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Kraftwerks KRT Supercharger Pulleys - Cogged Pulley - 75mm Cogged 42mm Width (6 Bolt / Must Use Adapter Hub)
Part #: 159-99-750C
$104.99
$99.74
For each
For each
Fits On:
Universal
Description:
Kraftwerks' 75mm cogged supercharger pulley measures 42mm wide and uses a 6-bolt pattern, requiring the separate adapter hub for installation. Cogged pulleys reduce belt slip under load compared to smooth-belt designs, making this a common swap when tuning boost levels on a Rotrex-based kit.
Kraftwerks' 75mm cogged supercharger pulley measures 42mm wide and uses a 6-bolt pattern, requiring the separate adapter hub for installation. Cogged pulleys reduce belt slip under load compared to smooth-belt designs, making this a common swap when tuning boost levels on a Rotrex-based kit.
Kraftwerks is a new company that has been focusing on the development of Rotrex superchargers, which replace the drive gears found in a traditional centrifugal supercharger layout with what is called a "friction drive system". This reduces heat and results in quieter operation. The Rotrex compressor is capable of revving extremely high and producing a linear powerband with instantaneous response. For those interested in proven technology with lots of potential, the Rotrex supercharger from Kraftwerks looks very promising!
Based out of Norco, California, Kraftwerk's superchargers are claimed to outperform any turbo or supercharger alternative on the market.
Based out of Norco, California, Kraftwerk's superchargers are claimed to outperform any turbo or supercharger alternative on the market.
Q: Are Kraftwerks supercharger kits C.A.R.B. (California Air Resources Board) legal?
A: No, Kraftwerks supercharger kits are not C.A.R.B. approved and are not to be used on public roads where prohibited by law.
Q: What are pulley kits? Why buy a pulley kit?
A: Pulleys are what drive your vehicles power steering, alternator and air conditioning unit. Belts attach to these pulleys and keep all the units running smoothly. By increasing the diameter of these pulleys, you slow down the power steering, alternator and air conditioning unit, reducing the amount of energy needed to drive them. Horsepower gains can be realized with a simple install package that has no recorded effect on emission levels. Beyond that, pulley kits often come in custom finishes, such as polished or anodized, and give your engine bay a clean custom look.
Q: How do you install a pulley kit?
A: Pulley kits are installed using hand tools. First remove your factory belts (this is a good time to buy replacements), and then remove the bolts to take your factory pulleys off. Replace them with the lightweight, larger diameter pulleys.
Q: What exactly is included in a pulley kit?
A: Pulley kits are car specific, and depend of whether you have power steering and/or air conditioning. The basic pulley set includes pulleys for power steering, alternator and air conditioning as needed, as sometimes come pulley belts (see the product description on our website to be sure).
A: No, Kraftwerks supercharger kits are not C.A.R.B. approved and are not to be used on public roads where prohibited by law.
Q: What are pulley kits? Why buy a pulley kit?
A: Pulleys are what drive your vehicles power steering, alternator and air conditioning unit. Belts attach to these pulleys and keep all the units running smoothly. By increasing the diameter of these pulleys, you slow down the power steering, alternator and air conditioning unit, reducing the amount of energy needed to drive them. Horsepower gains can be realized with a simple install package that has no recorded effect on emission levels. Beyond that, pulley kits often come in custom finishes, such as polished or anodized, and give your engine bay a clean custom look.
Q: How do you install a pulley kit?
A: Pulley kits are installed using hand tools. First remove your factory belts (this is a good time to buy replacements), and then remove the bolts to take your factory pulleys off. Replace them with the lightweight, larger diameter pulleys.
Q: What exactly is included in a pulley kit?
A: Pulley kits are car specific, and depend of whether you have power steering and/or air conditioning. The basic pulley set includes pulleys for power steering, alternator and air conditioning as needed, as sometimes come pulley belts (see the product description on our website to be sure).
If you live in California, please note this item may be subject to a Proposition 65 warning. Click here to learn more.
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