SKU: 21833071979

King Performance 5.25" Billet Pulley System — Complete Top & Bottom Kit | Air-Cooled VW

$126.39 $140.43
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Ships within 48 hours · Estimated delivery Jul 17 - Jul 22

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Description

King Performance 5.25" Billet Pulley System — Complete Top & Bottom Kit | Air-Cooled VWKing Performance 5. 25" Billet Pulley System For high performance air cooled builds where clearance, cooling efficiency, and engine response are critical, the King Performance 5. 25" Billet Pulley System offers the ultimate balance. This 100% USA made kit is engineered for precision, featuring a unique "frenched" design where the high strength steel hub is recessed into the pulley for maximum stability and a crisp, clean aesthetic. The "Sweet Spot"

King Performance 5.25" Billet Pulley System

For high-performance air-cooled builds where clearance, cooling efficiency, and engine response are critical, the King Performance 5.25" Billet Pulley System offers the ultimate balance. This 100% USA-made kit is engineered for precision, featuring a unique "frenched" design where the high-strength steel hub is recessed into the pulley for maximum stability and a crisp, clean aesthetic.

The "Sweet Spot" Ratio

This kit is specifically designed for the driver who wants the performance of a smaller pulley without the cooling trade-offs. The 5.25” crank pulley paired with the 3.6” alternator pulley brings your engine closer to the original factory pulley ratio.

  • Better than a 4.3" Power Pulley: While a 4.3" setup is built for maximum horsepower gains, it often sacrifices cooling and charging at lower RPMs. This 5.25" setup charges and cools significantly better.

  • The Perfect Compromise: At 5.25", it is slightly larger than a 3.2" (the "exact" stock ratio), giving you a slight performance edge while maintaining the high-reliability cooling and charging your engine needs for the street.

Engineering & Material Specs

  • 100% Made in the USA: Precision-manufactured in-house using premium U.S.-sourced materials.

  • Superior Hybrid Construction: Pulleys are CNC-machined from 6061-T6511 billet aluminum.

  • Frenched Steel Hub: Mounted on a heat-treated 4140 chromoly steel stock-style hub for lifetime durability and perfect concentricity.

  • Hard-Anodized Protection: Finished in a heavy-duty .0015" thick hard black anodizing for extreme wear resistance.

  • EFI Ready: Pre-tapped mounting holes designed for immediate use with the Dub Shop Trigger Wheel.

What’s Included

This is a comprehensive installation kit featuring all necessary high-grade hardware:

  • 5.25" Billet Crank Pulley & 3.600" Billet Alternator Pulley

  • 7075-T651 Hard Black Anodized Nut: High-strength and wear-resistant.

  • 6061-T651 Clamp Washer: Provides even pressure and secure fitment.

  • Crank Pulley Bolt: High-tensile hardware for a secure installation.

  • Precision Shims: Includes .005" thick shims for perfect belt alignment.

  • Bonus Item: High-quality belt included at no charge (provided as a size recommendation; actual needs may vary).

Warranty & Notes

  • Manufacturer Guarantee: All King Performance billet products and fasteners are guaranteed for two (2) years from the date of purchase.

  • Anodizing Note: Finish may naturally fade or change color over time due to engine heat and UV exposure. This is a normal characteristic of the material.

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: 21833071979

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J
Jamie K.
Natrona Heights, US
★★★★★ 5
Perfect for Adding Privacy to a Piano Studio
Size: 2 Panel 8FT W, Size: 2 Panel 8FT W
I Ordered the 2 Panel version which is way too big for my needs... that's on me. So keep in mind that the picture shows a fabric made for two panels only being used on one and hence it is not pulled tight; it would pull tight and not be so wrinkly if it was set up properly as two panels. The metal pools that make up the panels seem to be well made, stable, and of good quality. They were very easy to put together and they stand up tall with plenty of height. The appearance of it with the fabric on it isn't as elegant as it could be, but it still looks good enough. The material is plenty solid, not allowing light through it, and thereby making a solid barrier. I am using it to block the view out the studio door when a student is sitting at the piano to avoid distractions from the hallway. It will allow a student to enter the studio with our distracting the student who is at the piano.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2026
J
Just Me
Birmingham, US
★★★★★ 5
Room Divider That Gives Instant “This Is a Separate Space Now” Energy
Size: 3 Panel 12FT W
The Siebwin 3 Panel Folding Privacy Screen is surprisingly effective at changing the feel of a room without requiring construction, commitment, or somebody yelling about load bearing walls. The 12 foot width gives a substantial amount of coverage, making it useful for creating privacy, dividing open areas, blocking visual clutter, or setting up temporary sections within larger rooms. This saved us a ton of time and money in our new studio and enabled us to create a kitchen and office in one room. The wider feet make a huge difference because flimsy room dividers that collapse every time someone exhales too aggressively are deeply annoying. This one feels more stable and grounded once positioned. The folding design makes it easy to move around or adjust depending on the space, and it folds down relatively compactly when not in use. It is basically the introvert curtain wall of dreams. The material has a clean, neutral look that blends well into different room styles without screaming “temporary office cubicle panic.” It works well for apartments, studios, shared spaces, dressing areas, or simply hiding the mountain of chaos you swear you are going to organize tomorrow. Practical, portable, and refreshingly easy to use without turning setup into a three hour emotional event.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 16, 2026
S
Skeetre
New York, US
★★★★★ 4
It's 2 panels holding 1 big privacy screen. Can't use as 2 separate 4' panels, but works great.
Size: 2 Panel 8FT W
This 2 panel privacy screen works well. Assembly was very straight forward, with easily labeled tubes. My son and I had it together in about 10 minutes, which was probably 3 minutes of me telling him to quit playing around and hand me the parts. It feels very sturdy, not likely to fall over or anything. The material fits well, with the Velcro being very strong. Measurements are all very accurate, with all pieces attaching properly. We have a similar privacy screen at work that we have to try and stretch out because the top and bottom Velcro doesn't fit quite right... this model does not have any issues though. The material is thin and light weight, but solid black so that you can't see anything through or behind it. I definitely think it's a great deal for the money. What I think would have given it 5 stars though, is if you had 2 totally separate 4' panels instead of 2 panels with one big screen. It really wouldn't cost any extra to make it so that the screen was in 2 pieces and you could use it as 2 separate panels instead of having to use it as one big panel. It says 2 panel folding privacy screens, but it's really one big one that folds in the middle.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
C
Verified Purchase
creativecow
Bozeman, US
★★★★★ 5
Game-Changer for My Space!
Color: White, Size: 4 Panel Basic
I recently purchased the Kecreque 4-Panel Room Divider, and it has completely transformed my living area. At 88" wide, it provides ample coverage, creating a private nook in my open-concept home. The white polyester fabric is not only sleek and modern but also wrinkle-resistant and easy to clean—just a quick wipe with a damp cloth, and it looks brand new. Assembly was a breeze; I had it set up in about 20 minutes. The metal frame feels sturdy and durable, and the three extra-wide metal feet offer excellent stability, ensuring it doesn't tip over easily. I love how the panels are connected with flexible buckles, allowing me to adjust the configuration to suit my needs—be it a straight line or an angled setup. This divider has been perfect for creating a dressing area in my bedroom, and I've also used it to section off a workspace in my living room. Its versatility is unmatched, and it folds down compactly when not in use, making storage hassle-free. If you're looking for a stylish, functional, and easy-to-use room divider, I highly recommend this one. It's been a fantastic addition to my home!
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Reviewed in the United States on June 7, 2025
M
Verified Purchase
Megan
Waukegan, US
★★★★★ 5
Sturdy and Functional
Color: White, Size: 4 Panel Basic
I got this to replace a poor quality divider that I tried first, and this thing is the best! It is easily folded, stands sturdily, easy to assemble, and the fabric looks great. Very very happy with the quality for the price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 17, 2026

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