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Ships within 48 hours · Estimated delivery Aug 25 - Aug 30
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Description
Supertech Conical Spring Kit (Rate 7.25lbs/mm) - BMW / N54 / N55 / S55 / N53OutSpr. ID: 17. 6mm Retainer: RET BMN54 TI (5mm) RET BMN54 TE (6mm) Kit spring qty: 24 Kit spring: SPR FE20BE 2 Rate: 7. 25 Coil Bind: 23. 2mm Max Lift: 12mm Open Pressure: 160 @ 10 Seat Pressure: 88 @ 36. 5 InnSpr. ID: 14. 2mm InnSpr. OD: 21mm OutSpr. OD: 24. 4mm Retainer qty: 24
- OutSpr.ID: 17.6mm
- Retainer: RET-BMN54-TI (5mm) / RET-BMN54-TE (6mm)
- Kit spring qty: 24
- Kit spring: SPR-FE20BE-2
- Rate: 7.25
- Coil Bind: 23.2mm
- Max Lift: 12mm
- Open Pressure: 160 @ 10
- Seat Pressure: 88 @ 36.5
- InnSpr.ID: 14.2mm
- InnSpr.OD: 21mm
- OutSpr.OD: 24.4mm
- Retainer qty: 24
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
4.9 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 5
Versatility simple top
Size: X-Large, Color: White
Comfortable and well made top. Simple but versatile dress it up or casual, this top is a basic much needed wardrobe addition.
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Reviewed in the United States on February 11, 2026
★★★★★ 5
Great looking Cotton tank
Size: Small, Color: White
Love this tshirt. Have worn but not washed yet. So will add when I know if it shrinks
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Reviewed in the United States on February 8, 2026
★★★★★ 1
I wouldn’t call it a ribbed shirt if it’s almost see through
Size: Medium, Color: Black
Cheap thin looking fabric returned it
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Reviewed in the United States on February 13, 2026
★★★★★ 3
Runs large with gaping arm holes.
Size: Large, Color: White
This runs extra large and the arm holes are gaping. You can see your undergarments through the arm holes. I am hoping that the shirt shrinks in the wash.
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Reviewed in the United States on January 17, 2026
★★★★★ 5
It soft and fits perfectly
Size: Large, Color: Black
Good love it
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Reviewed in the United States on June 8, 2026