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Description
JUN AUTO Racing Valve Spring For SUBARU EJ20 1009M-F001Brand JUN AUTO Product Number 1009M F001 Compatible Car SUBARU Compatible Models EJ20 Product Description When valve speed increases by high rotation ization of engine, 'valve bounce' may occur by the factory valve springs. Moreover, since inherent pitch is low, 'Surging' may occur in a high rotation region. In JUN, the valve spring with which the load optimal at the time of a set and a valve lift is acquired was manufactured. Even when the amount of
| Brand | JUN AUTO |
| Product Number | 1009M-F001 |
| Compatible Car | SUBARU |
| Compatible Models | EJ20 |
| Product Description | When valve speed increases by high rotation-ization of engine, 'valve bounce' may occur by the factory valve springs. Moreover, since inherent pitch is low, 'Surging' may occur in a high rotation region. In JUN, the valve spring with which the load optimal at the time of a set and a valve lift is acquired was manufactured. Even when the amount of valve lifts increases by using a high cam, since the adhesion margin is secured enough, the JUN valve springs does not have degradation and its durability is also improving. Specifications (unit: mm, kgf) Diam: 3.8 Set leng: 42.5 Lift leng: 31.5 Set load: 33.0 Lift load: 72.8 |
| Remarks | STi Ver. III/IV (for inner shim) |
| Notes | Images are for illustration purpose only. Actual product may vary. |
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.2 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 1
Avoid These Shoes
Size: 10, Color: Grey
The pair I received (gray) was not represented well in their photos. Mine had a lime green logo which looks silly. They also bunch up very badly when you pull the laces which looks ridiculous. Cheap feeling and look bad when tied. Sending back
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Reviewed in the United States on April 6, 2026
★★★★★ 5
Great fit, great looking
Size: 11, Color: Red
Great looking, great fit, 5 Stars
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Reviewed in the United States on May 28, 2026
★★★★★ 5
Great pair of shoes
Size: 10, Color: Burgundy
I was a bit concerned that these shoes would be a bit large because I normally wear a size 9 1/2 and these are a size 10. But they fit perfectly. They are very light and comfortable. 👍
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Reviewed in the United States on March 10, 2026
★★★★★ 5
Worth it
Fits perfectly and protects my personal items.
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Reviewed in the United States on January 8, 2025
★★★★★ 5
As promised
Wallet is perfect
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Reviewed in the United States on October 9, 2024