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  See all Engine products
Supertech 5.5mm Diameter 1.29mm Thick Lash Cap for 6-7mm Race Engine Valves - LC-55-1.29P

If you're diving into the world of high-performance engines, you might want to take a closer look at lash caps. These little pieces of hardware can make a big difference, especially on race engines that use those slender 6 or 7mm valves. What they do is pretty simple: they increase the diameter of those valve tips, giving the rocker arm's nose roller a better footprint to work with. This means smoother operation and less wear and tear on your components—something that every racer can appreciate.

Now, if you're familiar with Supertech, you know they’re not just any brand. They’ve built a solid reputation in the racing scene, providing top-notch valves and valve train components that cater to just about every motorsport you can think of—drag racing, rally, road racing, you name it. And if you happen to have a unique setup that needs something a bit more specialized, they’re always up for the challenge of creating a custom solution just for you.

For instance, check out the LC-55-1.29P lash cap. With a diameter of 5.5mm and a depth of 2.5mm, plus a thickness of 1.29mm, it’s designed to handle the rigors of racing. Just keep in mind that the images are for marketing purposes, so the actual product might look a bit different. But trust me, when you’re pushing your engine to its limits, having the right components like these lash caps can make all the difference.

Other Part Numbers:
Supertech #sptLC-55-1.29P

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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