# Wilwood ST FNSL4R Caliper 1.12/1.12 1.10 Rotor

FNSLR/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 plates, and two-piece bleed screw assemblies are standard in all calipers. Four high-temp race only brake pad compounds in the 7416 pad type allow precise tuning of the brake response, friction requirements and temperature range.

## Details

- **Price:** 800.05 CAD
- **Vendor:** Wilwood
- **Type:** Brake Calipers - Perf

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 800.05 CAD | In stock |

## Images

- Photo - Primary

---

> Source: [Standard Auto Part](https://www.standardautopart.com/products/wilwood-st-fnsl4r-caliper-1-12-1-12-1-10-rotor)
> Updated: 2026-08-18