SKU: 59164854900

Kraftwerks Rotrex Supercharger Ribbed Pulley (R50-99-0090)

Sale price$94.49 Regular price$104.99
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Ships within 48 hours · Estimated delivery Aug 24 - Aug 29

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Description

Kraftwerks Rotrex Supercharger Ribbed Pulley (R50-99-0090)If you want your ROTREX supercharger work more efficiently, then it is vital to provide it with ROTREX or KRAFTWERKS pulleys as they will improve your vehicle performance. The supercharger compresses the air into the combustor and the pulley enables its spinning, so the faster the supercharger spins the more air will be compressed. That's why having a proper pulley will provide a pressure boost and therefore will increase the supercharger efficiency.

If you want your ROTREX supercharger work more efficiently, then it is vital to provide it with ROTREX or KRAFTWERKS pulleys as they will improve your vehicle performance. The supercharger compresses the air into the combustor and the pulley enables its spinning, so the faster the supercharger spins the more air will be compressed. That's why having a proper pulley will provide a pressure boost and therefore will increase the supercharger efficiency. Rotrex recommends to use standard pulleys, just check your data sheet to see the appropriate size for your particular supercharger. But, if your supercharger needs for some reason a custom design, then you can get the pulley adaptor.

FEATURES:

  • Provide an increase in efficiency and performance
  • Rotrex superchargers specific
  • Pulley adaptor available
  • Rotrex superchargers come preassembled with pulley/ pulley adaptor to eliminate problems with assembly
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 59164854900

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4.0 ★★★★★
Based on 26 reviews
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Cookie
Grantham, US
★★★★★ 5
Double Sided Cooling Pillow
Color: Blue, Size: King(2 Pack)-20'*36'
I truly love these pillows. They are sent with extra filling so if their not firm enough you can add more and if their to firm you can remove some. You can make these pillows to your liking. They fluff right back up. Their comfortable and you really get your moneys worth. I love them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 31, 2026
M
Verified Purchase
Mark
Grantham, US
★★★★★ 5
Fantastic pillows
Color: Blue, Size: Standard(1 Pack)-20'*26'
Fantastic pillows----never get headaches like others
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 29, 2026
C
Verified Purchase
Chloe Thomas
San Leandro, US
★★★★★ 5
Recommend this product
Color: Blue, Size: Queen(2 Pack)-20'*30'
I bought these for my boyfriend who is a hot sleeper. They are super thick & comfortable. The pillow stays cool & has a great texture. They didn’t have a bad smell. Bought these 3 years ago & they are still like brand new, durable
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2026
K
Verified Purchase
Kendall
Fort Morgan, US
★★★★★ 3
Good, but not life-changing
Color: Blue, Size: Queen(2 Pack)-20'*30'
These pillows are decent but not amazing. I like that they’re adjustable and come with extra fill, so you can make them softer or firmer depending on how you sleep. The cooling side feels nice at first, but it doesn’t stay super cool all night. They’re comfortable enough, but not a huge upgrade from regular pillows. Good, just not life-changing.
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Reviewed in the United States on February 26, 2026
D
Verified Purchase
David James
Waukegan, US
★★★★★ 5
Qutool double sided cooling pillows
Color: Blue, Size: King(2 Pack)-20'*36', Color: Blue, Size: King(2 Pack)-20'*36'
After letting the pillows sit for 12 hrs they puffed up and feel great Thus far satisfied with our purchase
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2026

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