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Supertech Beehive Valve Spring Kit for BMW B38B15 - 12 Springs, 75 Seat Pressure - SPRK-MCB38

If you're diving into the world of performance upgrades for your BMW B38B15, you might want to take a closer look at the Supertech Beehive Valve Spring Kit. Trust me, these springs are a game changer when it comes to enhancing your engine's performance. I've had my fair share of tinkering with various components, and this kit has definitely made its mark.

First off, let’s talk about the numbers. The seat pressure clocks in at a solid 75 lbs at 37mm, which gives you that nice, firm feel when you’re pushing your engine. When it comes to opening up those valves, you're looking at an impressive 155 lbs at just 10mm. That’s some serious pressure that helps keep everything in check when you're revving high. And with a max lift of 12.2mm, you can really let your engine breathe.

Now, the coil bind is at 23.20mm, which means you’re not going to hit any snags even when the action gets intense. The spring rate of 8 is just right for those who want a balance between performance and daily drivability. Plus, this kit comes with 12 springs, so you’ll have everything you need to get the job done without scrambling for parts.

What’s great about the beehive design is how it reduces weight while maintaining strength. This means quicker response times and less wear on the engine over time. The retainers included in the kit (both RET-BMB48/TE and RET-BMB48/TI) ensure that your springs stay put where they belong, and with 12 of those in the kit, you’re covered for a full set. The seat locators (8 of them) also play a crucial role in keeping everything aligned and functioning smoothly.

When it comes to dimensions, the inner spring ID is 14.20mm and the outer spring ID is 17.60mm, with outer spring OD at 24.40mm. These specs are designed to fit perfectly in your BMW B38B15, so you don’t have to worry about compatibility issues.

In short, if you're looking to juice up your BMW's performance, the Supertech Beehive Valve Spring Kit is a solid choice. It’s built for those who want to take their engine to the next level without compromising on reliability. I've seen firsthand how these springs can transform an engine's responsiveness and overall power, and I think you’ll be just as impressed.

Other Part Numbers:
Supertech #sptSPRK-MCB38

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

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Who is Supertech?

Supertech is a company located in Silicon Valley San Jose, California. It is the place where companies with the most cutting-edge technology are located. It allows Supertech to gain access to the latest technology that helps them create high-quality products.  Supertech is known for manufacturing some of the best aftermarket internal engine parts in the industry. Today, they are considered the leading brand in their market segment.

Valve Train Component Experts

With over 30 years of experience, Supertech was able to develop products that meet the demands of their customers. They offer high-performance valves and valvetrain components that are used by many engine builders and tuners everywhere.

Racer’s Brand Of Choice

Supertech provides the motorsport industry with top-notched products for virtually any type of racing discipline. Whether it’s Road Racing, Drag Racing, or Rally, they have the right parts for you. Each piece is carefully designed and manufactured to provide optimum performance and give racers the competitive advantage they need to win championships.

Purchase Supertech Products At Vivid Racing

If you are in the market for high-quality performance parts for your engine, Supertech is the brand for you. The company has always been on edge in creating innovative products that would keep up with the fast-changing automotive trend. Whether for the tracks or the street, Supertech guarantees that you will only get the best products from them. To know more about Supertech, visit Vivid Racing and check out their list of parts that fit your specific needs.



Due to the nature of the application, these parts are sold without any express warranty or any implied warranty of merchantability, or fitness for a particular purpose.

Supertech Performance Inc. shall not, under any circumstances, be liable for any special, incidental or consequential damages, including, but not limited to, damage, or loss of property or equipment, loss of profits or revenue, cost of purchased or replacement goods, or claims of customers of the purchase, which may arise and/or result from sale, installation or use of these parts.

The sole obligation of Supertech Performance Inc., shall be limited only to the products to be found defective, in either workmanship or material, after inspection performed by our company. This Limited Warranty applies only to the original purchaser of the product and only covers the replacement or repair of the product at our election.

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