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  See all Engine products
Supertech Lash Caps 5.5mm Diameter 1.50mm OD 0.270inch Thick for Racing Valves - LC-55-1.50-OD

So, if you’ve got a race engine with those skinny 6 or 7mm valves, you might want to consider lash caps. They really help out by increasing the diameter of those slender valve tips. What this means for you is that the nose roller of the rocker arm gets a bigger footprint to work with. It’s a small change that can make a big difference in performance, especially when you're pushing your engine to its limits.

Now, let’s talk about Supertech. These folks are serious about valves and valve train components. They cater to just about every type of racing you can think of—be it Drag Racing, Rally, or Road Racing. If you’re in the motorsport scene, you know how crucial it is to have reliable parts. And Supertech delivers. Their products are built for performance, and if you can’t find exactly what you need, they’re open to custom manufacturing something just for you. That’s the kind of service you want when you’re trying to squeeze every bit of power out of your engine.

As for the specs, the LC-55-1.50-OD lash cap has a 5.5mm diameter and is 2.5mm deep, with an outer diameter of 1.50mm and a thickness of 0.270 inches. It’s designed to fit snugly and perform under pressure, so you can focus on hitting those high speeds without worrying about your valve train.

Just a heads up: The images you see are for marketing purposes only, so the actual product might look a bit different.

Other Part Numbers:
Supertech #sptLC-55-1.50-OD

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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