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Ships within 48 hours · Estimated delivery Jun 13 - Jun 18
For Your Every Summer RSVP, with Code: SUMMER15
Description
166 Titanium Outsert - 12 packThe Pinnacle of Precision & Performance 166 Titanium Outsert pairs with our Altra Reinforced Concentric Outset System (A. R. C. O. S.), which fits our Altra Arrows 166 Shafts. Machined out of Ti5 titanium for unmatched durability and performance, with optimal fit options, this addition to your A. R. C. O. S adds the extra resiliance and weight you want for your arrow setup. The insert secures into the arrow shaft at a depth of 0. 875", while the

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
4.7 ★★★★★
Based on 2337 reviews
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Product Reviews
★★★★★ 5
Good
Prefect. It’s exactly what my lawnmower needed.
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Reviewed in the United States on May 2, 2026
★★★★★ 5
Snowblower repair.
Snowblower spark plugs that work for me.
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Reviewed in the United States on April 28, 2026
★★★★★ 5
Fast delivery and good price
Good price and name brand
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Reviewed in the United States on April 26, 2026
★★★★★ 4
Gas welder "lincoln "
Fit as expected
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Reviewed in the United States on January 12, 2026
★★★★★ 5
Direct replacement for my J Deere GT225
Fit my John Deere GT225 as a direct replacement. It did need to be re-gapped before installation. I think the price was fair for two spark plugs, now I have a spare.
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Reviewed in the United States on May 22, 2026




