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Ships within 48 hours · Estimated delivery Jul 18 - Jul 23
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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
4.6 ★★★★★
Based on 28 reviews
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Product Reviews
★★★★★ 3
NOT For Aggressive Chewers, Otherwise Great!
Style: I-Squeak Cone
Not for aggressive chewers. My dog had it torn apart in under an hour. It bounced and squeaked great, looked cute, and was a good size. I would consider buying this again for his birthday, because that's when I buy fun, more expensive but less great toys. Otherwise I would not buy again, because of how quickly he had it torn apart.
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Reviewed in the United States on February 14, 2026
★★★★★ 5
Super durable enjoyable toy for the Doggo
Style: I-Squeak Cone
I purchased this squeak toy for my Dachshund and he is very destructive. He can destroy a squeak toy like its his only purpose in life but he has had this toy for a few months now and he loves it. We play many hours of fetch with this and he has yet to chew it up or wear out the squeaker. He has not yet been able to chew any holes in it and plays with it for hours. One of the things I like best about it is he loves to hide his toys under furniture and cannot get this particular toy under the couch or entertainment center where he will bark non stop until you retrieve it. He plays with it at home and is perfect for our camping trips and trips to Grandmas as well and still comes back safe and intact.
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Reviewed in the United States on June 3, 2026
★★★★★ 5
Good toy for tough chewer.
Color: Hammer, Size: 7 Inch
My dog loved this toy. I would purchase again. Was a pretty tough toy, lasted longer than most.
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Reviewed in the United States on March 29, 2026
★★★★★ 5
Durable
Color: Hammer, Size: 7 Inch
Even my monster hasn't been able to chew through these in a few months, and he has destroyed one of the black Kongs in the same time frame.
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Reviewed in the United States on May 24, 2026
★★★★★ 5
Tough to destroy for aggressive chewers
Color: Wrench, Size: 8 Inch
My doggie chewed out stairscase, the sofa, my shoes, and would destroy anything labeled pet “tough” toys. This stopped her from destroying!! Soo cool and cleans her teeth too. I got this one as gift for other retriever fams! Super cool. Doesn’t smell bad and its lightweight but durable like crazy.
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Reviewed in the United States on January 30, 2026