Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 10 - Jul 15
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Supertech BMW Dual Valve Spring | S42/M42/M50/S50/M52/S52/M54Super reliable valve spring kits highest quality, and always the best price! 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. Supertech Retainers are manufactured with high quality military
Super reliable valve spring kits - highest quality, and always the best price! 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. Supertech Retainers are manufactured with high quality military certified Titanium alloy, CNC machined for a tight fit that will ensure a long durability.Note: Priced Individually
Specs:
- Type: Dual Spring
- Seat Press: 67lbs @ 35.7mm
- Coil Bind: 18.5mm
- Open (Lift) Press: 192lbs @ 10.00mm
- Rate: 12.9lbs/mm
- Inner Spring: 22.2m OD / 16.8mm
- Max Net Lift: 17.2mm
- Outer Spring: 30.2mm OD / 22.2mm ID
Fits:
M50TU |
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M50TU |
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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
4.7 ★★★★★
Based on 1130 reviews
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Product Reviews
★★★★★ 5
Happy with this purchase
Size: 25FT, Color: White
Perfect, love the wall clips, adhesive is good!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 23, 2026
★★★★★ 5
Perfect solution
Size: 20FT, Color: White
Incredible value - solves our phone charging needs without bulky chargers attached to traditional extension cords… aesthetically superior with outlet cover and flat cord that we plan to conceal between tiles. A+
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 28, 2026
★★★★★ 5
Great Extension Cord for hard to reach places.
Size: 5FT, Color: White
Wasn't sure if I would like this or not but I really do. We have the stand up version (not by same vendor) but really liking this smaller version that I was able to stand on edge and not take up valuable room on my side table. We used it for the outlet under the bed to the bedside table. Has enough power to run multiple items with no issues. I like that it comes with USB, C, 2 prong, 3 prong. I didn't use the included cover but that was because we had something else plugged into the other socket.
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Reviewed in the United States on May 19, 2026
★★★★★ 5
Perfect!
Size: 5FT, Color: White
Perfect for getting all the cords under control!
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Reviewed in the United States on February 15, 2026
★★★★★ 4
Decent
Size: 20FT, Color: White
I needed a heat gun to make it a little more pliant to get the kinks out but otherwise I loved it
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 1, 2026
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