Wilwood left FNSL6R-DS red caliper, 1.10-inch rotor width, 1.62/1.12/1.12-inch bores: mounted around a drilled rotor beside the hub
Wilwood left FNSL6R-DS red caliper, 1.10-inch rotor width, 1.62/1.12/1.12-inch bores: angled logo side and open pad channel
Wilwood left FNSL6R-DS red caliper, 1.10-inch rotor width, 1.62/1.12/1.12-inch bores: mounted around a drilled rotor beside the hub
Wilwood left FNSL6R-DS red caliper, 1.10-inch rotor width, 1.62/1.12/1.12-inch bores: angled logo side and open pad channel

Wilwood Left Forged Narrow Superlite 6R Dust Seal 6-Piston Brake Caliper, Red, 1.10-Inch Rotor Width, 1.62/1.12/1.12-Inch Bore

SKU: 120-14437-RD

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Fitment questions?

Call (855) 786-7101 or text (801) 304-3141. We check fitment by VIN.

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Product details

For a brake system using a 1.10-inch-wide rotor, this red Wilwood Forged Narrow Superlite 6R Dust Seal provides 6 pistons with 1.62/1.12/1.12-inch bores. Left-hand mounting is specified. The caliper attaches on 5.98-inch radial centers. Founded in 1977 by Bill Wood, Camarillo, California-based Wilwood Engineering manufactures disc brake components for motorsport, street-performance and specialized uses. Its range covers calipers, rotors, master cylinders, valves, fittings and brake lines.

Technical Details

  • Manufacturer part number: 120-14437-RD
  • Mounting: Left hand; Radial; 5.98-inch centers; 0.39-inch mounting holes
  • Mount height: 1.45 inches
  • Rotor width: 1.10-inch nominal; 1.00–1.10-inch permitted range
  • Rotor diameter range: 11.75–14.00 inches
  • Pad shape: Wilwood type 7416; compound selected separately
  • Piston arrangement: 6 pistons; 1.62/1.12/1.12-inch bores; stainless steel
  • Hydraulic piston area: 4.04 square inches, as specified by Wilwood
  • Body and finish: Forged aluminum; Red Powder Coat
  • Fluid inlet: 1/8-27 NPT
  • Dust boots: Yes
  • Component: Wilwood Forged Narrow Superlite 6R Dust Seal; one caliper

This six-piston narrow Superlite combines radial attachment with piston dust wipers. Differential bores distribute pad loading, while the 7416 pad shape and exact rotor-width version determine the mating friction components.

Fitment & Compatibility

Check pad depth against the rotor’s usable friction annulus. Rotor-hat clearance, mounting offset and the wheel’s inner profile must also be checked with the caliper drawing.

This listing covers one caliper. Match the brake pads, rotor, hose and mounting arrangement to the complete brake system.

PMB Performance has worked with parts and brake fitment for over 20 years. Supply the installed caliper identity and the rotor and bracket measurements for a practical compatibility check.