Wilwood Caliper-Narrow Superlite 4R-ST - Anodized 1.25/1.25in Pistons 1.10in Disc

Wilwood Caliper-Narrow Superlite 4R-ST - Anodized 1.25/1.25in Pistons 1.10in Disc

Marsoni

M251S

$393.00

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

Wilwood Caliper-Narrow Superlite 4R-ST - Anodized 1.25/1.25in Pistons 1.10in DiscFNSLR ST forged billet calipers, with four Thermlock pistons, deliver championship proven performance with piston sizes to provide matched rear braking bias for use with the Aero6 ST or other larger piston front calipers. FNSL4R ST calipers incorporate race technology into a radial mount body design with widespread adaptability. Including competition update options for all FNSL4R rear Big Brake kits. Thermlock pistons, high temp seals, SRS bridge

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
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This shelf pin jig absolutely delivered on everything I needed — the ease of use was fantastic right out of the box. Once I got the layout aligned, drilling was quick and precise. The accuracy is impressive, with clean, straight holes every time, and the included bits worked like a charm. The design is clever, compact, and durable — the aluminum plate feels premium and makes it easy to keep things straight. I love the versatility too; switching between 5mm and 1/4" bits was fast, and the guide holes are clearly labeled. The size is ideal for cabinets, bookcases, and even tighter spaces where a bulky jig wouldn’t fit. For anyone needing quick, repeatable shelf pin drilling, this jig speeds up the use and keeps your project moving fast without compromising quality. If you're doing any custom shelving or cabinet work, this is a must-have tool that saves time and eliminates guesswork.

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Reviewed in the United States on May 13, 2025

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Danielle Fassler

Birmingham, US

★★★★★ 4

Works well for DIY

Worked well for building bookshelf. Wish it maybe had som little pads on the back as some times it would slide a bit, but if I tightened it more it would dent the wood slightly. Overall very easy to use and worked well for its intended use.

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Reviewed in the United States on January 18, 2026

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James Clements

Waukegan, US

★★★★★ 5

Solid thick aluminum construction

Size: 9 Holes

Very well made, thick aluminum construction and fully customizable.

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Reviewed in the United States on March 13, 2026

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