Wilwood 120-13844-BK Forged Dynalite 4-Piston Brake Caliper 1.75in .81 Disc

Vehicle Fitment

• Universal motorsports and custom brake system applications (Front or Rear)
• Compatible with custom brake setups using 0.81 in thick rotors and 5.25 in lug mount spacing

Features

• Wilwood Forged Dynalite Internal (FDLI) high-performance 4-piston brake caliper
• Stress-flow forged aluminum construction for increased strength and reduced flex
• Spacer-less bridge design improves structural rigidity and pedal response
• Four stainless steel pistons provide consistent and balanced pad clamping force
• Internal fluid passage eliminates external crossover tubes
• Durable black powder coat finish for corrosion resistance and long service life
• SRS stainless bridge wear plates reduce pad gouging and improve durability
• Dual bleed screw configuration allows flexible mounting orientation

Specifications

• Caliper Series: Forged Dynalite Internal (FDLI)
• Position: Universal Front or Rear
• Piston Count: 4
• Piston Diameter: 1.75 in
• Total Piston Area: 4.80 in²
• Rotor Thickness Compatibility: 0.81 in
• Rotor Diameter Range: Up to 13.06 in
• Mount Type: Lug Mount
• Mounting Center Distance: 5.25 in
• Brake Pad Type: Wilwood 7112
• Inlet Port Size: 1/8-27 NPT
• Material: Forged Aluminum
• Piston Material: Stainless Steel
• Finish: Black Powder Coat
• Dust Boots: No
• Approximate Weight: 3.6 lbs

Included Components

• 1x Wilwood 120-13844-BK Forged Dynalite Internal Brake Caliper

Product Description

The Wilwood 120-13844-BK Forged Dynalite Internal (FDLI) brake caliper is a lightweight, high-strength four-piston caliper designed for racing, high-performance street vehicles, and custom brake system installations. Manufactured using Wilwood's stress-flow forged aluminum process, the caliper body offers superior grain structure and rigidity compared with conventional billet designs. This construction reduces flex under heavy braking loads and improves overall braking efficiency and pedal feel.

Equipped with four 1.75-inch stainless steel pistons and engineered for 0.81-inch rotor thickness, this caliper delivers strong and consistent clamping force across the brake pads. The internal fluid passage design eliminates external crossover tubes while the rigid bridge structure enhances durability in demanding motorsports conditions. Finished in a durable black powder coat, the 120-13844-BK caliper provides both corrosion resistance and a clean performance appearance. Because it is designed for universal motorsports applications, installation typically requires vehicle-specific brackets and rotors for custom brake setups used in race cars, street rods, muscle cars, and track vehicles.