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  See more parts for Lexus GS300
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Supertech Dual Valve Spring Kit for Lexus Toyota 2JZ 1988-2005, 80lbs Pressure - SPRK-TS1012

If you’re diving into a serious valvetrain upgrade, the Supertech Spring / Retainer kits are where you want to be. These kits are built for folks who really care about getting the most out of their engines—no fluff, just solid performance. Trust me, once you get these in your ride, you’ll feel the difference.

Now, let’s talk specs. These are dual springs, designed to handle some serious lift. You’re looking at a press seat of 80lbs at 33.60mm, which means they’re ready to keep things tight under pressure. With a max lift of 13.60mm and a coil bind at 20.00mm, these springs can handle the demands of a spirited drive without breaking a sweat. Plus, the rate is set at 9.60 lbs/mm, so you know they’re going to perform consistently when you push your engine. The retainers are the RET-TS60/T1B, paired with the SPR-TS012 springs and the SEAT-TS1015/2 seat locator, which is compatible with your OEM seat locator. It’s a complete package that fits like a glove.

As for fitment, this kit is perfect for a range of Lexuses and Toyotas, specifically:

  • Lexus GS300 (1993-2005)
  • Lexus IS300 (2001-2005)
  • Lexus SC300 (1992-2000)
  • Toyota Celica (1988-1993)
  • Toyota MR2 (1991-1995)
  • Toyota Soarer (1994-2000)
  • Toyota Supra (1993-1998)

So, if you’re looking to really dial in your 2JZ or any of these other models, this kit is a no-brainer. It’s straightforward, effective, and designed for those who want to push their engine to the next level. Get ready to feel your ride come alive!

Other Part Numbers:
Supertech #sptSPRK-TS1012

Proposition 65

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

Vehicle Make/Model
Lexus GS300 1993-2005 Base
Lexus IS300 2001-2005 Base
Lexus IS300 2002-2005 Sportcross
Lexus SC300 1992-2000 Base
Toyota Celica 1988-1993 GT
Toyota Celica 1988-1993 ST
Toyota Celica 1988-1993 GTS
Toyota Celica 1988-1992 All Trac
Toyota Celica 1993 GTS All Trac
Toyota MR2 1991-1995 Base
Toyota MR2 1991-1995 Turbo
Toyota Supra 1993-1998 Base
Toyota Supra 1993-1998 Twin Turbo

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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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