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Ships within 48 hours · Estimated delivery Oct 29 - Nov 3
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Description
Wilwood ST FSL4R Caliper 1.88/1.75 1.25 RotorFSL4R ST calipers provide the pad wear performance advantages of differential bore pistons with the option for ultimate heat protection using Thermlock pistons in the ST models. Differential piston bores compensate for leading edge mechanical loading and temperature variances across the pad face to reduce pad taper wear in sustained high temperature applications. Thermlock pistons in the ST models block heat transfer from the pads and reduce
FSL4R/ST calipers provide the pad wear performance advantages of differential bore pistons with the option for ultimate heat protection using Thermlock® pistons in the ST models. Differential piston bores compensate for leading-edge mechanical loading and temperature variances across the pad face to reduce pad taper wear in sustained high temperature applications. Thermlock® pistons in the ST models block heat transfer from the pads and reduce temperatures in the caliper, fluid, and seals by up to 25% over standard stainless steel pistons. Featuring a wear resistant Type III hard anodize finish, these are the go-to calipers for all types sustained hard braking on dirt and asphalt ovals and a wide range of off-road, rally and road course applications.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
4.3 ★★★★★
Based on 27 reviews
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Product Reviews
★★★★★ 5
Great look, great fit!
Size: 42W x 34L, Color: Rinsed
Item just as described.....Great Seller.....Thanks!! A+A+A+A+A+A+A+A+
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Reviewed in the United States on May 22, 2026
★★★★★ 5
great quality and stylish too
Size: 38W x 28L, Color: Dark Blue Vintage
the pants are high quality and stylish too. very comfortable. i am happy with the purchase.
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Reviewed in the United States on March 15, 2026
★★★★★ 3
Comfortable but color bleeds.
Size: 33W x 30L, Color: Dark Wash
Good comfortable fit. Only problem was washing, the color bleeds.
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Reviewed in the United States on May 16, 2026
★★★★★ 5
Good buy
Size: 28W x 34L, Color: Medium Indigo
My 16-y/o 6' grandson wears the 28"-34". Not easy to find. These fit him well. Material is regular blue jean. Good value
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Reviewed in the United States on April 21, 2026
★★★★★ 4
Nice jeans, but too tight in the thighs
Size: 31W x 28L, Color: Light Wash
I liked these jeans overall — good quality and the stretch feels nice — but they were a little too tight in the thighs for me. If you’ve got more athletic legs, you might want to size up or try a different fit.
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Reviewed in the United States on November 14, 2025