SKU: 93252326054

Wilwood Forged Narrow Superlite 4 Radial Mount Universal Caliper

Sale price$162.91 Regular price$181.01
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Description

Wilwood Forged Narrow Superlite 4 Radial Mount Universal CaliperThe Forged Narrow Superlite 4R (FNSL4R) is Wilwoods our newest version for the venerable Superlite caliper series adds the versatility and convenience of radial mounting to this widely popular caliper group. Radial mounting simplifies adaptation and provides two planes of adjustment for accurate alignment over the disc. These calipers integrate "Big Brake" style with Wilwood's latest technology to generate big stopping power in extreme environments

The Forged Narrow Superlite 4R (FNSL4R) is Wilwoods our newest version for the venerable Superlite caliper series adds the versatility and convenience of radial mounting to this widely popular caliper group. Radial mounting simplifies adaptation and provides two planes of adjustment for accurate alignment over the disc. These calipers integrate "Big Brake" style with Wilwood's latest technology to generate big stopping power in extreme environments over a broad range of vehicle applications. The key to the superior performance of the FNSL4R comes from the extremely durable and efficient body design. Starting at 4.9 pounds it is the product of computer generated solid modeling and FEA stress analysis technology. The most noteworthy feature of this new caliper design is the forging. Each body is stress-flow forged from premium grade aluminum alloy billets. Stress-flow forging re-aligns the metal's internal grain structure to flow within the contour of the caliper body. This process eliminates the stresses and interruptions to the internal grain structure that occur when machining a straight block billet. Simply stated, there is no better way to build a stronger aluminum caliper body.

Available in diiferent piston bore sizes, provides braking as either a front or rear caliper. The standard FNSL4R calipers feature one-piece stainless steel pistons. Stainless is used for its slow heat transfer properties and high resistance to corrosion. Calipers can be upgraded with Wilwood's exclusive Thermlock pistons. This multi-part piston design creates a highly efficient thermal barrier to further reduce heat transfer from the pads to caliper body, seals, and fluid. Cooler temperatures translate to longer service life and less chance for heat induced pedal fade.

In addition, each FNSL4R is equipped with SRS bridge plates. SRS plates eliminate all bridge wear caused by pad gouging and extend the service life of the caliper. The spring-loaded action of the SRS plates also eliminates pad rattle and dampens the harmonic vibrations that contribute to pad squeal. Two piece bleed screws on each end and internal fluid crossovers prevent damage from track debris and other potential damage sources. High temperature, square faced bore seals provide the largest possible sealing area and controlled piston retraction on release. The full range of Wilwood pad compounds is available to match the brake response and heat range of any competition or sports driving application.

Available in red or black color.

NOTE: price listed is for a single caliper


DATA SHEET

Shipping Notes
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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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SKU: 93252326054

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4.5 ★★★★★
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Kiara
New York, US
★★★★★ 5
Such a favorite we had to buy backups!
My pup LOVES this toy, as well as my roommates pup as well! Found first in a dive bin store, we knew we had to find the seller and get more. So far we have 3 with 2 of those being in circulation and the third as a back up hidden away. We have had to sew a few holes, the nose is a favorite with ours, but otherwise holds up quiet well!
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Reviewed in the United States on October 7, 2022
M
Verified Purchase
ms martyr
Alexandria, US
★★★★★ 5
Saving This For Future Play
This is very similar to an older green platypus dog toy that my puppies managed to destroy in record time. Keeping that in mind I’m going to wait awhile before letting them play with it. It’s adorable and doesn’t deserve an untimely death. They’ve managed to chew holes into two supposedly tough toys in less than a day. Their permanent teeth are coming in so maybe there’s hope for the future.
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Reviewed in the United States on November 14, 2025
A
Verified Purchase
Arlene S. Burke
Charlottesville, US
★★★★★ 1
Not as pictured
From the picture, this duck looked stuffed and full. Instead it is completely flat.
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Reviewed in the United States on June 10, 2026
S
Verified Purchase
SkyGirl
Belleville, US
★★★★★ 4
Not so durable, but still decent
Durable...if you don't have a dog that chews. But it is cute and he LOVED it while it lasted. He just has a vengence against all squeakers.
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Reviewed in the United States on May 26, 2026
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Verified Purchase
Karen
Waukegan, US
★★★★★ 5
Great Soft Duck Toy
I've bought several of these over the years. My Australian Shepherds love them and often play with the duck on their own. Eventually one surcomes to an occasional tug-a-war. My dogs are moderate tuggers.
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Reviewed in the United States on August 27, 2025

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