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Description
STI COIL SPRING R For SUBARU WRX STI (VA) ST20380VV010Brand STI Product COIL SPRING R Product Number ST20380VV010 Description These coil springs were developed through repeated driving tests under various conditions. They increase roll rigidity and improve driving stability without ever compromising passenger comfort. The vehicle height is 10 mm lower compared to standard models to reduce roll and give SUBARU WRX STI model a more sporty look. Compatible Vehicle SUBARU WRX STI (VA) Compatible Models
| Brand | STI |
| Product | COIL SPRING R |
| Product Number | ST20380VV010 |
| Description | These coil springs were developed through repeated driving tests under various conditions. They increase roll rigidity and improve driving stability without ever compromising passenger comfort. The vehicle height is 10 mm lower compared to standard models to reduce roll and give SUBARU WRX STI model a more sporty look. |
| Compatible Vehicle | SUBARU WRX STI (VA) |
| Compatible Models | Applicable Models are followed by 'o' mark: A 2014 year 08 May to 2015 May STI (AWD / 6MT) - with STI large spoiler (AWD / 6MT) - STI Type-S with a large spoiler (AWD / 6MT) ___ Applicable Models are followed by 'o' mark: B 2015 year 06 January to 2016 May STI (AWD / 6MT) - STI ASP (AWD / 6MT) - S207 (AWD / 6MT) - S207 ASP (AWD / 6MT) - with STI large spoiler (AWD / 6MT) - STI ASP with a large spoiler (AWD / 6MT) - STI Type-S with a large spoiler (AWD / 6MT) ___ STI Type-S with ASP large spoiler (AWD / 6MT) ___ Applicable Models are followed by 'o' mark: C 06 January to 05 March 2017 2016 STI (AWD / 6MT) - STI ASP (AWD / 6MT) - with STI large spoiler (AWD / 6MT) - with STI ASP large spoiler (AWD / 6MT) - STI Type-S with a large spoiler (AWD / 6MT) ___ STI Type-S with ASP large spoiler (AWD / 6MT) ___ Applicable Models are followed by 'o' mark: D 2017 Jun ~ WRX STI (AWD / 6MT) - WRX STI ASP (AWD / 6MT) - WRX with STI large spoiler (AWD / 6MT) - WRX STI with ASP large spoiler (AWD / 6MT) - WRX STI Type-S 19 inch tire (AWD / 6MT) ___ WRX STIType-S ASP 19 inch tire (AWD / 6MT) ___ WRX STI Type-S 19 inch flat tire with a large spoiler (AWD / 6MT) ___ WRX STI Type-S ASP large spoiler 19 inches with tire (AWD / 6MT) ___ |
| Remarks | * These coil springs are for compatible models only. * For standard rear shock absorber. * If they are installed on a different model, it may upset the front / rear balance. Do not install on a non-compatible model. * Vehicle height is reduced by approximately 10 mm from the standard height (when the car is empty). However, the change in car height might vary depending on optional accessories installed and individual differences in car bodies and parts. * The displayed price is for one spring. * For vehicles equipped with standard Bilstein dampers. * The explanation of this product is for Japanese specification. |
| Notes | Images are for illustration purpose only. Actual product may vary. |
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4.7 ★★★★★
Based on 2443 reviews
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Product Reviews
★★★★★ 5
Made of carbide steel material and has high hardness characteristic
The shank that fits into the drill has three flattened surfaces, making them less likely to slip in the chuck. Much much easier to use than hand reamers!!!
NOT AS DESCRIBED: The title says these are both carbon steel and carbide steel, but they are not the same. carbon steel and carbide are not the same; they are fundamentally different materials with distinct properties. Carbon steel is a metal alloy of iron and carbon, known for flexibility and toughness. Carbide (often Tungsten Carbide) is a ceramic-like, extremely hard, and brittle compound used for cutting, offering much higher wear resistance and heat tolerance.
These have the look and feel of carbide, and not carbon. In my expert opinion.
Most tires are "steel belted radial" and it is hard to ream through the steel belts by hand. I have spent HOURS trying to ream through difficult tire punctures by hand! These bits make quick work of the process. If needed, the sizes can be used gradually from smallest to largest. They leave a smooth sided hole which is less prone to leakage when the tire plug is inserted.
Excellent value for the money! Highly recommended.
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Reviewed in the United States on March 2, 2026
★★★★★ 5
Makes plugging faster
It makes to process of plugging a tire a lot faster. I think you need to use a drill with these. Unless you had a hand drill with a chuck to tighten down on the bits, you probably wouldn't be able to use like a t-handle because you couldn't pull the reamer bits out. Just in case you were thinking of keeping this in a roadside emergency kit. It turns probably a 30 minute job into a 5 minute job with a drill though. I attached a picture of the hole after I was done reaming with all 3 sizes up to the largest.
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Reviewed in the United States on November 13, 2025
★★★★★ 5
These work great.
Size: CB-M03H
These work great, and is much easier than a hand reamer. Quality seems good as well.
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Reviewed in the United States on September 28, 2025
★★★★★ 5
GOOD QUALITY
Size: CB-M03
WORKS GREAT
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Reviewed in the United States on August 6, 2025
★★★★★ 5
Good price
Size: CB-M03H
Good price appears sturdy good instructions
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Reviewed in the United States on January 19, 2026
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