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Wilwood Forged Superlite 4R Big Brake Front Brake Kit (Race) – Nickel Plate Caliper – GT Slotted Rotor



Forged Superlite 4R Big Brake Front Brake Kit (Race)

This kit is configured for dedicated road racing on all 2005-2014 Mustangs. Four piston, nickel finish Quick-Silver FSL4R/ST calipers, with Thermlock® pistons and internal knock-back damping springs, are volume matched for system compatibility with either a factory power brake booster and master cylinder, or a manual balance bar style pedal with appropriately sized master cylinders. The kit includes two-piece 12.19” diameter Spec 37 alloy GT series directional vane rotors to comply with SCCA American Sedan rules, cross-overs into the NASA pony car categories, or any other sanction racing with 16” or 17” wheels. Unsprung and rotating weight are minimized by mounting the rotors to the OE hubs with forged aluminum hats. Each kit includes high-temp Wilwood race compound pads, machined billet radial mount caliper brackets, stainless steel braided flexlines, and all premium grade hardware. 

SKU: 136077


Kit Summary

Spindle Type:
Factory Disc Spindle;
Mount Type: Radial
Caliper Type: 4 – Nickel Plate
Rotor Diameter: 12.19
Min Wheel Diameter Req’d*: 15

Fitment & Installation Details

Kit Components & Specifications

Calipers: Info / Part Number:
Left Hand – Part No: 120-13266-N
Right Hand – Part No: 120-13265-N
Type: Forged Superlite 4R
Finish Color: Nickel Plate
Piston Count: 4
Piston Area (In²): 4.84
Piston Type: Thermlock
Mount Type: Radial
Brake Pad Plate: 7420
Brake Pad Area (In²): 8.2
Brake Pad Volume (In³): 4.9
Pad Compound: PolyMatrix H
Forged Superlite 4R Caliper - Nickel Plate
Rotors: Info / Part Number:
Left Hand – Part No: 160-11840
Right Hand – Part No: 160-11839
Type: GT 48 Curved Vane
Style: GT Slotted
Surface Finish: Plain
Material: Spec-37 Iron
Outside Diameter (in): 12.19
Width (in): 1.25
Vane Count: 48 CV
Design Type: GT
Bedded: No
Dynamically Balanced: Yes
GT 48 Curved Vane - Spec-37 Iron - Plain
Rotor Hats: Info / Part Number:
Hat – Part No: 170-10040
Type: Drag Hat – Shallow Offset
Material: Aluminum
Finish Color: Black E-Coat
Hat Offset Dimension (in): 0.79
Bolt Circle 1: 5 x 4.50
Bolt Circle 2:
Bolt Circle 3:
Stud Diameter – BC 1: 0.58
Stud Diameter – BC 2: 0
Stud Diameter – BC 3: 0
Drag Hat - Shallow Offset - Aluminum - Black E-Coat
Hubs: Info / Part Number:
Hub – Part No:
Finish Color:
Mount Style:
Bolt Circle 1:
Bolt Circle 2:
Bolt Circle 3:
Stud Diameter – BC 1:
Stud Diameter – BC 2:
Stud Diameter – BC 3:

Parts & Accessories

Calipers: Info / Part Number:
O-ring Kit: 130-5100
Replacement Dustboot: N-A
Replacement Piston 1: 200-7550
Replacement Piston 2: 200-7553
Replacement Piston 3: N-A
Replacement Piston 4: N-A
CrossOver O-Ring Kit: 130-10540
Crossover Tube: N-A
Self-Bleeder Tube: N-A
Bridge Bolt Kit: 230-5978
Wear Plate – Left Hand: 300-5923
Wear Plate – Right Hand: 300-5922
Pad Retainer: N-A
Bleed Screw Kit: 220-0627
Brake Line Kits: Info / Part Number:
2005 Ford Mustang
Hat: Info / Part Number:
Bolt Kit: 230-8390
Hubs: Info / Part Number:
Bolt Kit:


Additional information

Weight 48 lbs
Dimensions 13.1 × 13.1 × 14.9 in


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Model Year

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