Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 9 - Jul 14
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Description
Apr Valve Spring Kit (1 Set)-MS100258The APR Valve Spring System is a high performance, lightweight upgrade designed to increase valve control and eradicate valve float common on many applications. APR's design specifications called for a valve spring, retainer and spring seat combination that doesn't overpower and snap the OEM valves or erode the aluminum spring seat, while still maintaining exceptional valve control. The result is an advanced design that's 28% lighter yet 20% stiffer
The APR Valve Spring System is a high performance, lightweight upgrade designed to increase valve control and eradicate valve float common on many applications. APR's design specifications called for a valve spring, retainer and spring seat combination that doesn't overpower and snap the OEM valves or erode the aluminum spring seat, while still maintaining exceptional valve control. The result is an advanced design that's 28% lighter yet 20% stiffer than the high performance OEM EA113.K04 (MK6 R) setup and is proven to eliminate the OEM valve train's weakest link. We call it Performance Without Compromise!
Features:
- Increase valvetrain control
- 71% weight reduction over 2.0T EA113.K04 retainers (MK6 R)
- 19% weight reduction over 2.0T EA113.K04 springs (MK6 R)
- 20% stiffness increase over 2.0T EA113.K04 Springs (MK6 R)
- Eradicates valve float issues (MK6 EA888.1)
- Supports higher revving application
- Weight saving beehive spring design
- ASTM A877A OTSC round wire steel springs
- 6AL4V American titanium retainers
- 4140 heat-treated chrome molly steel spring seats with black oxide coating
- 29 grams per spring
- 2 grams per retainer
- Compatible with OEM valves
- Spring seats included to protects against aluminum erosion in the head
- Plug and Play
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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Product Reviews
★★★★★ 5
Polarized stylish RayBans
Color: Black/G-15 Green Polarized, Lens Width: 51 Millimeters
Style is versatile for all occasions, fits to nose comfortably and nose pads are adjustable. Polarized for maximum protection with RayBan stamp on lens, great quality glass lenses, with stylish border all around.
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Reviewed in the United States on April 17, 2025
★★★★★ 5
Stylist and Functional
Color: Copper/Clear Gradient Blue, Lens Width: 51 Millimeters
I couldn’t be happier with these sunglasses. The style is absolutely timeless sleek, modern, and effortlessly cool. They elevate any outfit, whether I’m dressed up for a day out or keeping it casual.
What really impressed me is the functionality. The lenses provide excellent UV protection, and the clarity is fantastic even in bright sunlight. They’re lightweight yet feel durable, and I can wear them for hours without any discomfort.
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Reviewed in the United States on May 23, 2025
★★★★★ 5
My favorite everyday sunglasses
Color: Gold/Brown Gradient Mirrored Blue, Lens Width: 51 Millimeters
They are so stylish. I get compliments on them all the time.
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Reviewed in the United States on May 23, 2026
★★★★★ 5
Las amo
Color: Gold/Brown Gradient Mirrored Blue, Lens Width: 51 Millimeters
La amo, me encantan el tamaño, el color, todo.
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Reviewed in the United States on June 7, 2026
★★★★★ 5
Soy fiel fan a la marca
Color: Legend Gold/Clear Gradient Grey, Lens Width: 51 Millimeters, Color: Legend Gold/Clear Gradient Grey, Lens Width: 51 Millimeters
No me pongo otro tipo de espejuelos que no sea Ray Ban
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Reviewed in the United States on June 4, 2026