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Description
FSA PolyCarbonate 5MM Spacer Bag/10 TransparentFSA (Full Speed Ahead) Polycarbonate Headset Stack Spacers Product Specifics Color: Transparent Material: Plastic Defined Color: Clear S. H. I. S. Stem Clamp Diameter: 28. 6 Thickness: 5 Today's Stock Status Currently not available UPC: 400310005090 EAN: Not available Manufacturer Part Number: 160 3501TW HD4904 165601 Q0 L
FSA (Full Speed Ahead) Polycarbonate Headset Stack SpacersProduct Specifics
- Color: Transparent
- Material: Plastic
- Defined Color: Clear
- S.H.I.S. Stem Clamp Diameter: 28.6
- Thickness: 5
Today's Stock Status
Currently not available
UPC: 400310005090
EAN: Not available
Manufacturer Part Number: 160-3501TW
HD4904
165601-Q0-L
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
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.8 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 5
Noticeable Improvement in Engine Smoothness
Size: 150 ml, Pack of 1
I decided to try LIQUI MOLY Valve Clean to help keep the intake valves clean and maintain engine performance, and I’m really impressed with the results. After adding it to the fuel tank and running through a full tank of gas, the engine felt noticeably smoother and more responsive.
It’s very easy to use—just pour it into the fuel tank as directed. I also like that it’s from LIQUI MOLY, a brand known for high-quality automotive additives.
While it’s not a miracle fix for serious mechanical issues, it’s a great preventative maintenance product to help reduce deposits and keep the engine running efficiently. I plan to use it periodically as part of my regular maintenance routine.
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Reviewed in the United States on March 7, 2026
★★★★★ 5
Must have.
Size: 150 ml, Pack of 1
Very good product, works great.
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Reviewed in the United States on May 7, 2026
★★★★★ 5
Good for routine engine care
Size: 150 ml, Pack of 1
Definitely not a cure-all for major mechanical problems, but it works well as a preventative step. It helps lessen deposits and keeps the engine running smoothly. I intend to use it regularly as part of my maintenance schedule to keep everything in good shape.
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Reviewed in the United States on April 21, 2026
★★★★★ 5
Worth the money
Size: 150 ml, Pack of 1
Great line of car products. My BMW gets better gas mileage when I use it regularly.
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Reviewed in the United States on April 1, 2026
★★★★★ 4
Easy valve cleaning for the engine
Size: 150 ml, Pack of 1
Just tried the LIQUI MOLY Valve Clean in my car. added it to my fuel, and it seems to help keep things running smoothly. it's handy to have on hand for maintenance, especially when I want to avoid engine issues. it works well in my daily drive and is pretty simple to use. glad i picked this up.
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Reviewed in the United States on May 5, 2026