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- USA
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Ships within 48 hours · Estimated delivery Jul 14 - Jul 19
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Description
Twin Power 70-E79 FL FX 71-79 XL Advance Unit Screw Replaces H-D 3570Experience enhanced ignition performance with the Twin Power 70 E79 FL FX 71 79 XL Advance Unit Screw. This premium advance kit replaces the standard H D 3570 component, ensuring reliable and precise timing adjustments for your vintage Harley Davidson XL models from 1971 to 1979. Engineered by TwinPower, a trusted name in ignition parts, this advance unit screw offers a perfect fit and dependable operation. It's designed specifically for enthusiasts
Experience enhanced ignition performance with the Twin Power 70-E79 FL FX 71-79 XL Advance Unit Screw. This premium advance kit replaces the standard H-D 3570 component, ensuring reliable and precise timing adjustments for your vintage Harley Davidson XL models from 1971 to 1979.Engineered by TwinPower, a trusted name in ignition parts, this advance unit screw offers a perfect fit and dependable operation. It's designed specifically for enthusiasts aiming to maintain or improve the performance of their classic bikes without compromise.
Whether restoring a project bike or upgrading for smoother rides, this advance kit provides consistent advance characteristics that help optimize your engine's power delivery. Installation is straightforward, making it accessible for both seasoned mechanics and hobbyists.
Trust Tuningsupply for genuine, high-quality ignition components that ship quickly across Europe without unexpected costs. Stay ahead in your restoration or custom build with this essential distributor upgrade from TwinPower.
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
4.2 ★★★★★
Based on 1660 reviews
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Product Reviews
★★★★★ 4
One lantern does not function
Color: Warm White (Cuboid), Size: 8 Pack
Please replace one defective lantern
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Reviewed in the United States on April 27, 2026
★★★★★ 5
Nice bright light
Color: Cool White (Cuboid), Size: 8 Pack
Purchased for a gift. They arrived on time and packaged well. Installation was easy and the lights are very bright. They seem to be made well and stay on most of the night. Would purchase again.
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Nice solar lights
Color: Warm White (Cylinder), Size: 8 Pack
Each of the lights is well made. Installation was easy, adding them along a dark walkway took only a few minutes. I installed them in the morning and had charged enough to provide light to the area. Look very nice and a good value for the money. Happy with this purchase and would buy again.
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Reviewed in the United States on May 1, 2026
★★★★★ 4
Bright solar lights
Color: Cool White (Cylinder), Size: 6 Pack
Great look. Cool white lights are bright and lighten my dark walkway. My only con is that the solar panels on the flat top turned white after a few months from rain/water sitting on them. The lights continue to work well, despite the tops being 'milky' white.
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Reviewed in the United States on April 27, 2026
★★★★★ 5
Gama Sonic Solar Lights: Built to Last and Guaranteed
Number of Items: 2
These lights are nice and bright and stay on all night. I have other Gama Sonic solar lights also. One of them, which I didn't buy from Amazon, had a problem so I contacted Gama Sonic directly because they have a 2-year warranty. They responded immediately and I got it fixed and now I'm happy with it. I will keep buying their solar lights because they make good quality solar lights and have a 2-year warranty.
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Reviewed in the United States on May 3, 2026