F4 Caliper (Square Seal) 1.87" Piston 3.5" Mount 1.25" Rotor 0.8" Pad - 002-1187ssp-1

Marsoni

M251S

$279.78

Get it in 3 business days with 1 day shipping. Friday, May 29

F4 Caliper (Square Seal) 1.87" Piston 3.5" Mount 1.25" Rotor 0.8" Pad - 002-1187ssp-1F4 4 Piston Caliper Seal Package: Square Piston Size: 1. 87" Mount: 3. 5" Rotor Thickness: 1. 25" Pad Thickness: 0. 8" SKU: 002 1187ssp 1 Our flagship caliper for oval track and off road use. The TBMs F4 caliper utilizes forged outer halves, heat treated center sections and our patented fluid transfer system to create the quickest, most rigid zero drag caliper available today. Championships are won with F4 calipers. Typical Applications: Asphalt Late

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My Frenchie is a crazy chewer and can chew up a nylabone in a day, so I was looking for something that would last longer. So far this is holding up, and is pretty durable. Both my dogs like it a lot, it’s easy for them to grasp, and chewable but still very tough material. I suspect at some point it’ll wear down, but not for a while. The size was just as described / expected. Not too small and not too big

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Reviewed in the United States on May 23, 2025

Verified Purchase

Amazon Purchase

San Leandro, US

★★★★★ 5

Great for aggressive chewers!

Color: Blue

Our aggressive chewers love these! Very durable.

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Reviewed in the United States on June 8, 2026