Shipping Estimate
USA
- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 11 - Jul 16
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Description
Manley Nissan SR20DE/SR20DET Valve Spring and Retainer Kit (w/o Valve Locks)Experience enhanced performance and durability with the Manley Nissan SR20DE SR20DET Valve Spring and Retainer Kit. Designed specifically for Nissan SR20 engines, this kit boosts valve control to support higher RPM and aggressive cam profiles without valve float. The components deliver reliable spring force to keep your engine's valvetrain operating smoothly under demanding conditions. Crafted with precision by Manley Performance, these valve springs
Experience enhanced performance and durability with the Manley Nissan SR20DE/SR20DET Valve Spring and Retainer Kit. Designed specifically for Nissan SR20 engines, this kit boosts valve control to support higher RPM and aggressive cam profiles without valve float. The components deliver reliable spring force to keep your engine's valvetrain operating smoothly under demanding conditions.Crafted with precision by Manley Performance, these valve springs and retainers are engineered for strength and longevity. Note that the kit does not include valve locks, allowing flexibility for your installation preferences or reuse of existing locks. Ideal for enthusiasts seeking dependable engine upgrades, this kit helps you maximize the potential of your Nissan SR20 engine.
Whether upgrading for motorsport or spirited driving, the Manley valve spring kit combines quality materials and racing-inspired design to meet the needs of serious tuners. Trust in Tuningsupply for fast shipping and expert support designed for European automotive enthusiasts eager to push their builds further.
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 1582 reviews
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Product Reviews
★★★★★ 5
Fits well and comfortable!
Size: Large, Color: Eggshell White Black Mariner Stripe, Size: Large, Color: Eggshell White Black Mariner Stripe
This shirt fits my husband very well, it is true to size. It is soft and stretchy enough to be comfortable. I bought this as part of a costume but my husband wears it around the house now because it's so comfy.
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Reviewed in the United States on December 24, 2025
★★★★★ 1
You get what you pay for
Size: XX-Large, Color: Eggshell White Black Mariner Stripe
Like most of the other reviews here, the shirt runs too small and too short. Material was also incredibly uncomfortable. It also wasn't the color I was hoping it would be, but that's on me for not reading the fine print (eggshell white was very much not white)
If you're looking at this for a certain costume/cosplay idea, it's probably not what you're looking for.
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Reviewed in the United States on February 18, 2026
★★★★★ 5
Solid fit
Size: X-Large, Color: Eggshell White Black Mariner Stripe
Easy fit, comfortable material. Dont expect it to last forever but at the price its solid for the purpose of a halloween costume.
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Reviewed in the United States on November 1, 2025
★★★★★ 3
Runs small
Size: X-Large, Color: Navy
Runs small and is short. Nice dark navy color. I ordered a size up and it is still small.
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Reviewed in the United States on February 26, 2026
★★★★★ 5
Great tee
Size: X-Large, Color: Medium Grey Heather
It’s a nice cotton material…not thin, just perfect. After washing, it also kept its shape.
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Reviewed in the United States on February 18, 2026
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