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Ships within 48 hours · Estimated delivery Oct 10 - Oct 15
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Description
Supertech SR20DET Dual Valve Springs and Retainer Kit with Spring Seats106 lbs Valve Springs, Titanium Retainers and Spring Seats are included in this Supertech Kit. The Valve Springs are made with premium Superclean Chrome Silicon Vanadium Steel alloy for higher durability at high rpms. The springs are computer designed to ensure that wire stress levels do not overpass the limits of stress defined in the diagrams of fatigue. Supertech Valve Springs are durable and is reliable in extreme conditions. The Retainers in this
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
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Best in 7 days
4.9 ★★★★★
Based on 2327 reviews
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Product Reviews
★★★★★ 3
I typed in 5 QT Containers in search line.
Size: 1 Liter
Containers were not 5QT. like I had typed into search bar. They Are 1QT. Lots of Money for ONE QUART OF OIL
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 25, 2024
★★★★★ 5
Perfect part
Style: Set of 4
Great parts bmw x3
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
★★★★★ 5
Spark plugs
Style: Set of 6
Fast ship, car runs much better.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 8, 2026
★★★★★ 5
First shipping
Style: Set of 4
Very good spark plugs fast chipping
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 5, 2026
★★★★★ 5
Quality plug believe it or not
Style: Set of 4
This is actually a really good spark plug and a good price
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 28, 2026
