SKU: 10329732903

Supertech Valvetrain Super Combo - K-series

Sale price$395.37 Regular price$439.30
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Ships within 48 hours · Estimated delivery Jul 15 - Jul 20

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Description

Supertech Valvetrain Super Combo - K-seriesSupertech Performance uses their experience of more than 20 years in the manufacturing of racing valves, do intensive testing and work very closely with many engine builders in order to continuously improve and provide the market with the best possible product for every application. This is the ultimate valvetrain combo!! Supertech Super Combo Contents: Supertech 32pc dual valve springs Supertech performance valve springs are made with premium

Supertech Performance uses their experience of more than 20 years in the manufacturing of racing valves, do intensive testing and work very closely with many engine builders in order to continuously improve and provide the market with the best possible product for every application.

This is the ultimate valvetrain combo!!


Supertech Super Combo Contents:

  • Supertech 32pc dual valve springs
    Supertech performance valve springs are made with premium Superclean Chrome Silicon Vanadium Steel Alloy for higher performance and durability. Computer designed to ensure that wire stress levels do not overpass the limits for long durability under extreme conditions and harmonics are well under control.
    Optional valve spring seat pressures available: 80lbs, 95lbs, 97lbs, 100lbs.

  • Supertech 16pc race valves (flat or dished)
    Supertech Valves are made in one piece forged stainless steel. Supertech Performance uses mainly SAE EV8 (UNS S63008) for the Intake and Exhaust valve. Supertech Performance apply's different heat treatments to this material to obtain different hardness and ductility in accordance to application and budget (Street Performance or Heavy Duty Racing). Choice of flat or dished valves.

  • Supertech 16pc titanium retainers
    Supertech Titanium Retainers prevent valve float and strength up your valvetrain. Retainers are CNC machined from 6AL4V grade titanium.

  • Supertech 16pc bronze valve guides
    Supertech Valve guides are precision-machined from high quality Magnesium Bronze material. These guides in combination with low friction nitrated valves provide the best solution for performance and durability.

  • Supertech 16pc Viton valve stem seals
    Supertech Viton valve stem seals reduced outer diameter valve seals are perfect for those that are using dual valve springs or may otherwise have valve spring clearance issues. 



    Shipping Notes
    • Free Standard Shipping on $100+ Orders to the USA.
    • Except Preorder products are shipped in 48 hours.
    • Delivery to the USA:
    1. Standard Shipping : 3-10 business days
    • If time is of the essence, please consider selecting expedited delivery for faster service.
    Exchange/Return Notes
    • We offer a 30-day return/exchange service after receiving.
    • Final sale items are not eligible for returns or exchanges.
    • To process your return/exchange, please contact us at [email protected]
    • Please click here for more details>>> Return & Exchange Policy
    SKU: 10329732903

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    Jackalope
    Battle Creek, US
    ★★★★★ 3
    Great quality but big
    Style: Side Sleeper, Pattern Name: King
    These pillows seem to be very good quality. I couldn’t wait to try them. I soon realized that they’re very thick & too high for my neck. I can push the pillow down but it doesn’t stay so I’d say they’re too firm for me & don’t support the neck properly because of the height.
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    Reviewed in the United States on February 16, 2025
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    Ron W
    Omaha, US
    ★★★★★ 5
    my fav now after using 50+ pillows
    Style: Back Sleeper, Pattern Name: King
    I have always struggled to find the perfect pillow, and so far I have had 50+ pillows. Personally, I like my pillow to be on thinner side as I look for more support for my neck. This is my first time buying pillows online, because I like to physically touch and feel the firmness and thickness before I purchase my pillows. I am so glad I did it! These pillows are just PERFECT for me! Perfect firmness, perfect thickness and perfect material. One thing I suggest is that be extra cautious when you open the package. These pillows were rolled and put in a relatively thin shipping bag, so when you open with sharp objects be careful not to cut your new favorite pillows! I let the pillows sit for about 48 hours before I started using them, but I assume you don't have to wait that long. Overall, I am very happy with my first online pillow purchase with Serta!
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    Reviewed in the United States on April 1, 2020
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    Erika
    Chelsea, US
    ★★★★★ 2
    Not worth it
    Style: Side Sleeper, Pattern Name: King
    Feel nice and fluffy for couple months, then go flat
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    Reviewed in the United States on September 5, 2025
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    Nadar
    San Leandro, US
    ★★★★★ 1
    14% polyester filling
    Style: Side Sleeper, Pattern Name: Jumbo
    It has 14% polyester filling. The description is not complete in amazon.
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    Reviewed in the United States on January 5, 2026
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    Nicole M Tusa
    Draper, US
    ★★★★★ 5
    Definitely beats sleeping on the floor!
    Color: Grey, Size: Twin
    I was sleeping on the floor with my dog after she had emergency surgery and this helped me get through those tough couple of weeks. Comfortable and not too heavy. Comes with a bag to store it in and helps make it easier to move around.
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    Reviewed in the United States on May 25, 2026

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