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Supertech 5.5mm Diameter Lash Cap, 3.00mm Deep, 1.78mm Thick for Racing Valve Applications - LC-55-1.78P

If you’re diving into the nitty-gritty of race engines, you probably know that those slender valve tips can be a bit of a headache. That’s where lash caps come into play. They bump up the diameter of those skinny 6 or 7mm valves, giving the rocker arm’s nose roller a solid footprint to work with. This little upgrade can really help your engine’s performance, especially when you’re pushing the limits on the track.

Now, let’s talk about Supertech. These folks are serious about racing. They’ve crafted some top-notch valves and valve train components that cater to just about every motorsport you can think of—whether you’re tearing it up in drag racing, navigating the twists and turns of rally, or hitting the road course. And if you find yourself in a bind with a specific need, they’re more than willing to collaborate and whip up a custom solution just for you. It’s that kind of dedication that makes them stand out in a crowded field.

To get a bit technical, the LC-55-1.78P lash cap has a 5.5mm diameter, is 3.00mm deep, and comes in at a thickness of 1.78mm. It’s a small but mighty piece that can make a big difference when it comes to your valve train's performance, especially under the high-stress conditions of racing.

Just a heads-up: The images you see are for marketing purposes only, so the actual product might look a bit different. But trust me, the quality is there.

Other Part Numbers:
Supertech #sptLC-55-1.78P

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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