Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 12 - Jul 17
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For Your Every Summer RSVP, with Code: SUMMER15
Description
Supertech Valve Spring & Retainer Set | BMW | S42/M42/M50/S50/M52/S52/M54 (16V Kit)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
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.
Specs:
- TYPE: Dual Spring
- PRESS.SEAT: 67 @35.70mm
- MAX LIFT: 17.20mm
- COIL BIND: 18.50mm
- RATE: 12.90 lbs/mm
- RETAINER: RET-K20A2/T2
- SEAT LOCATOR : SEAT-BM50
- SPRING : SPR-H100DR-BM
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
4.0 ★★★★★
Based on 1251 reviews
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Product Reviews
★★★★★ 1
Poorly sized
Color: Black, Size: 12 Years
My son is a size 12 , but this outfit was 2 times his size. The shirt was too large and pants were ridiculously wide. I have to return it
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Reviewed in the United States on May 28, 2026
★★★★★ 5
Samsonite? I was way off!
Size: 8, Color: Light Blue, Size: 8, Color: Light Blue
Linen was a nice enough material and slightly distracted from the dumb&dumber blue motif. The regular suit material would have been a full homage. It is what he wanted so this was a fair compromise. Stats/ he is a size 8 in most brands, 51in and 60lbs. Purchased an 8.
A size 7 would have been a better choice and more tailored look but this fit fine in the important places and he has room to grow. Short notice, quick shipping and fair quality for the price. May your Harry Dunne love it as much as mine did.
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Reviewed in the United States on May 8, 2026
★★★★★ 5
Great price without skipping on quality.
Size: 12, Color: Light Green, Size: 12, Color: Light Green
Perfect for 8th grade dance. This 3 piece suit fit perfectly. It look so sharp for his dance. This would also be nice for a wedding. I plan on getting a few different colors the price makes it affordable but doesn't skip on quality.
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Buena calidad
Size: 12, Color: Beige
Excelente calidad precio valor buen acabado
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Reviewed in the United States on March 4, 2026
★★★★★ 5
Boys suit
Size: 10, Color: Lilac
Great boys suit! Soft, made with very good material! Color is exactly what you paid for! The stitching is amazing and good quality.
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Reviewed in the United States on December 30, 2025