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Ships within 48 hours · Estimated delivery Aug 6 - Aug 11
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Description
Supertech Dual Valve Spring - 30/21.80mm-21.8/16.2mm - 22mm CB - Rate 13.2lbs/mm - Set of 16Experience superior engine performance and reliability with the Supertech Dual Valve Springs. Designed for enthusiasts and professionals alike, this set includes 16 dual valve springs that deliver exceptional durability and precise valve control. The springs feature dimensions of 30mm and 21. 8mm for the outer and inner coils respectively, complemented by a 22mm coil base. Their robust design supports high performance applications by enhancing valve
Experience superior engine performance and reliability with the Supertech Dual Valve Springs. Designed for enthusiasts and professionals alike, this set includes 16 dual valve springs that deliver exceptional durability and precise valve control.The springs feature dimensions of 30mm and 21.8mm for the outer and inner coils respectively, complemented by a 22mm coil base. Their robust design supports high-performance applications by enhancing valve stability at higher RPMs. With a spring rate of 13.2 pounds per millimeter, they provide an ideal balance of firmness and flexibility to maximize engine responsiveness.
Crafted with quality materials, these valve springs offer consistent performance under demanding conditions, making them perfect for upgrading your vehicle's engine components. Whether you're tuning a hot rod, a V8 powerhouse, or a race car, the Supertech Dual Valve Springs are engineered to meet the strict demands of motorsport and kit car enthusiasts alike.
Available now through Tuningsupply, your trusted source for performance parts across Europe, with competitive pricing, fast delivery, and expert support to keep your project moving forward.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.1 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 5
Great bag – very durable
Color: Colourful Flowers in Black
Bought this to replace an existing computer bag that I use for college. I typically hold a lot of stuff and my bags become heavy. This bag holds up! Carries a lot of stuff, including my standard laptop, a few books, etc. It also has a zipper area to put things I need to find easily. Style and design also very cute. Honestly, a great bargain.
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Reviewed in the United States on January 1, 2026
★★★★★ 5
love the colors
Color: Blue Flowers
I love the colors on this bag, and the size is big enough for me to put my normal purse stuff in plus pack my lunch in it, and there are 2 drink holders on the ends. It seems made from waterproof material. Although I thought it was canvas when I ordered, and I thought it had a padded computer pocket. That isn't true. But I was looking at so many tote bags, I may have gotten them confused in my head. But it seems really well made and there is plenty of room in the bag if you have a padded computer sleeve for your laptop and then place it in the bag.
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Reviewed in the United States on January 7, 2026
★★★★★ 5
It’s a Nice Big Bag!
Color: Blue Flowers
I bought this bag for my mom as a Christmas present and she loves it. She’s a big purse lady, so it is the right size for her. It has all the pockets in the right places and she loves the pretty floral design.
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Reviewed in the United States on January 1, 2026
★★★★★ 5
Love the style and Multi pockets!
Being a traveling float Phlebotomist for a very large company I need a bag that is extremely well-made holding my schedules.. my books, my PPE outfit, and all other essentials I need for my position. This bag is definitely the one very well-made, multi pockets more than enough room for everything that I need to carry all my equipment for me… to each job. Definitely would recommend this to anybody who travels in their job. Definitely purchased from this company again. Shipping was very fast and the product is in my eyes perfect.!
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Reviewed in the United States on January 1, 2026
★★★★★ 4
Spacious
Great material, easy to clean and repels water. I love the zipper to close the opening, carrys a lot and i love the large side pocket and 2 small pockets on ends great for keys for easy find
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Reviewed in the United States on April 24, 2023