SKU: 33515455402

Valve Spring Kit - Supertech - SR20DET S14/S15

$178.85 $198.72
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  • CAN

Ships within 48 hours · Estimated delivery Aug 8 - Aug 13

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Description

Valve Spring Kit - Supertech - SR20DET S14/S15Complete kit of 16x Valve springs, Retainers and Spring seats for Nissan 200SX S14 S14A S15. SUPERTECH uses their experience of more than 20 years in the manufacturing of racing valve springs retainers & valvetrain components, along with the application of computerized Finite Element Analysis (FEA). They perform intensive testing and work closely with many engine builders in order to continuously improve and provide the market with the best possible

Complete kit of 16x Valve springs, Retainers and Spring seats for Nissan 200SX S14 / S14A / S15. SUPERTECH uses their experience of more than 20 years in the manufacturing of racing valve springs retainers & valvetrain components, along with the application of computerized Finite Element Analysis (FEA). They perform intensive testing and work closely with many engine builders in order to continuously improve and provide the market with the best possible product for every application. SUPERTECH valve springs are made with premium Superclean Chrome Silicon Vanadium Steel alloy for higher performance & durability at high RPMs and better memory.   They are computer designed to ensure that wire stress levels do not overpass the limits of stress defined in the diagrams of fatigue for long durability under extreme conditions.  Proprietary computer programs aid in maintaining harmonic control. Retainers are manufactured with high quality military certified Titanium alloy, CNC machined for a tight fit that will ensure long durability.  SUPERTECH also manufactures quality high-performance valve guides, cam followers, keepers & spring seats. SUPERTECH VALVE SPRINGS feature: Finite Element Analysis (FEA) design Superclean Chrome Silicon Vanadium Steel alloyHigher than stock seat & open pressures for high-lift, long duration cams.
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: 33515455402

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Mateo filer
Chelsea, US
★★★★★ 5
Quality
Color: Red/Black, Size: 0AWG-25FT Each
Great quality.Better than I was expected
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 19, 2026
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S. Rohleder
Waukegan, US
★★★★★ 5
0 Gauge wire 25 feet red,/25 feet black.
Color: Red/Black, Size: 0AWG-25FT Each
It is as advertised, Copper Clad Aluminum (CCA) but will work for very short runs and jumpers instead of eating my solid copper lines.
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Reviewed in the United States on March 5, 2026
C
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Chad Whitsell
Louisville, US
★★★★★ 5
Great product
Color: Red/Black, Size: 0AWG-25FT Each
Just the amount you need
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Reviewed in the United States on February 11, 2026
M
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Mr.FixIt
Battle Creek, US
★★★★★ 5
Works great
Great product, good price and fast shipping.
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Reviewed in the United States on December 5, 2025
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Lowell H
Port Orchard, US
★★★★★ 5
Good price and high quality!
This isolator relay is robust and has a higher amp load rating than the original relay. It was easy to install.
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Reviewed in the United States on May 26, 2026

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