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Supertech 5.5mm Diameter 1.28mm Thick Lash Cap for Racing Valve Applications - LC-55-1.28P

If you're looking to give your race engine a little extra edge, you might want to check out lash caps. These handy little pieces increase the diameter of those slender valve tips, especially if you're running with those skinny 6 or 7mm valves. What’s cool is that they let the nose roller of the rocker arm have a bigger footprint to work with, which can make a noticeable difference in performance.

Now, I’ve been around the racing scene long enough to know that the right components can make or break your setup. That’s where Supertech comes in. They’ve been delivering top-notch valves and valve train parts tailored for just about every type of racing you can think of—whether you’re hitting the drag strip, tearing up the rally circuits, or carving through road courses. And if you can’t find exactly what you need, they’re pretty flexible about custom manufacturing something just for you. That’s a level of service you don’t see every day.

For reference, the LC-55-1.28P lash cap has a 5.5mm diameter, is 2.5mm deep, and 1.28mm thick. Just a heads up—if you’re checking out the images, keep in mind they’re more for marketing purposes, so the actual product might look a bit different.

  • Images are for Marketing Use Only, actual product may vary!

Other Part Numbers:
Supertech #sptLC-55-1.28P

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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