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80B40-1-3/4
80B40-1-3/4
80B40-1-3/4
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80B40-1-3/4" Finished Bore Sprocket With Keyway

Marsoni M251S
Sale price$194.80
Pay 4 payments of $48.70 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
80B40-1-3/4" Finished Bore Sprocket With KeywayProduct Details : 80B40 1 3 4" Finished Bore Sprocket With Keyway Part No: 80B40 1 3 4 Product Type: FB (Finish Bore) ANSI Chain Size: 80 No. Of Teeth: 40 Shaft Diameter: 1 3 4" Pitch: 1" Pitch Diameter: 12. 745" Outside Diameter: 13. 310" Tooth Thickness: 0. 575" Hub Diameter: 4. 750" Length Thru Bore: 2" Square Key Width: 3 8" Square Key Depth: 3 16" No. Of Set Screws: 2 Set Screw Size: 3 8" Material(s): Carbon Steel Certifications: Manufactured
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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 1233 reviews
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Verified Purchase
CaptainTealbeard
Lowell, US
★★★★★ 5
It does it's thing. Perfect fit compared to OEM.
If you aren't changing your own air filters in your vehicle you should be. Air filter swaps are a huge ripoff if you get the dealer to do them. Granted, most maintenance at dealerships is a ripoff BUT it takes all of five minutes if you don't know what you are doing, most of which is watching the youtube video telling you how to do it, and maybe a minute or two if you do know what you are doing. Save yourself some cash.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 23, 2026
R
Verified Purchase
Ruben
Omaha, US
★★★★★ 5
Great alternative to OEM model
Works great for my car. Really didn’t see a difference between these ones and the OEM ones. It provides good value with easy installation.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 5, 2026
G
Verified Purchase
George
Natrona Heights, US
★★★★★ 5
Good fit and price for a 2017 Honda Civic
Been using these in my Honda Civic for a while now they work great no complaints
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 3, 2026
Z
Verified Purchase
Zander
New York, US
★★★★★ 5
pretty good for price!
Great item with easy install, drops right in for a perfect fit! the quality is up there for its money, but certainly isn’t going to be your top of the line. however it gets the job done and has a prettt decent air flow for its price!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 13, 2025
A
Verified Purchase
AB
Port Orchard, US
★★★★★ 4
As expected
Fits perfectly and last long
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 15, 2026

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