Wilwood rear Forged Dynalite Internal kit for Strange Engineering Floater 3.49-inch offset: paired red calipers, 12.19-inch plain-face rotors and hardware laid out
Wilwood rear Forged Dynalite Internal kit for Strange Engineering Floater 3.49-inch offset: red caliper and 12.19-inch plain-face rotor in assembled view
Wilwood rear Forged Dynalite Internal kit for Strange Engineering Floater 3.49-inch offset: paired red calipers, 12.19-inch plain-face rotors and hardware laid out
Wilwood rear Forged Dynalite Internal kit for Strange Engineering Floater 3.49-inch offset: red caliper and 12.19-inch plain-face rotor in assembled view

Wilwood Plain 12.19-Inch Rear Brakes for Strange Floater, Red, Internal Parking Shoes

SKU: 140-12420-R

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Product details

Plain-face 12.19-inch vented rotors and red four-piston calipers form this Wilwood rear kit for a Strange Engineering floater. The service brakes operate hydraulically, while a separate internal shoe assembly provides parking-brake actuation. The specified 3.49-inch offset and floater flange interface must match the actual axle before this conversion can be selected. Wilwood Engineering was founded by Bill Wood in 1977 and is based in Camarillo, California. The company designs and manufactures disc brake systems and components, including calipers, brake rotors, master cylinders, valves, fittings, and brake lines for motorsport, street-performance, and specialized applications.

Technical Details

  • Manufacturer part number: 140-12420-R
  • Type: Forged Dynalite Rear Parking Brake Kit
  • Calipers: Forged Dynalite Internal; 4 pistons per caliper; Red Powder Coat.
  • Caliper bore sizes: 1.38, 1.38 inches. Piston type: Stainless.
  • Included pad compound: BP-10.
  • Rotors: 12.19-inch diameter × 0.81-inch thickness; Plain Face; Iron; Plain surface; 32 vanes.
  • Rear housing end: Strange Engineering Floater.
  • Required axle flange offset: 3.49 inches.
  • Bolt pattern: 5 x 5.75 in; 5 x 146.05 mm.
  • Included: paired calipers, pads, rotors, mounting brackets and assembly hardware, internal parking-brake shoe assemblies.
  • Hydraulic lines and fittings selected separately. No master cylinder, booster or spindles are supplied.
  • Parking-brake cables, clevis hardware and adapters are separate.
  • Conditional wheel screening size: 15 inches. Use the installation clearance diagram to verify the actual barrel and spoke profile.

Fitment & Compatibility

Use DS890 and the measurement worksheet to compare the register, flange holes and rotor position. Verify the floater hat mounting and caliper alignment before final assembly. The nominal 15-inch wheel screening value is conditional on spoke and barrel shape. Hydraulic hoses and parking-brake cable hardware are separate, so confirm their attachment and travel as part of the full custom-axle installation.

Wilwood installation documents: Installation instructions; Technical bulletin.

PMB Performance has over 20 years of brake-system experience. Contact us with your vehicle details and installed brake hardware for help confirming the correct arrangement.

California Proposition 65 warning, brake pads only: WARNING: This product can expose you to chemicals including Arsenic, Cadmium, Chromium (Hexavalent compounds), Lead, Nickel, Cobalt and Antimony Trioxide which are known to the State of California to cause cancer or other reproductive harm. For more information go to www.p65warnings.ca.gov.