Wilwood Black Rear Dynalite Conversion with SRP Rotors and Parking Brake, AMC Javelin and Javelin AMX Axles

Drilled-and-slotted 12.19-inch rotors accompany black four-piston Dynalite calipers in this AMC rear kit. The internal parking brake is supplied as part of the conversion, with its cable connection selected separately. Wilwood Engineering designs and builds disc brake systems in Camarillo, California. Bill Wood established the company in 1977; it supplies brake rotors, calipers, master cylinders, valves, fittings and lines for specialized applications, street performance and motorsport. The complete brake system determines which individual components are appropriate.

Technical Details

• Manufacturer part number: 140-13398-D
• Application and package: Rear Brake Kits - Street Performance; Rear Kits; Disc; Parking; Sold as a kit.
• Stud-hole / clearance provision: 0.52 in; 13.21 mm; diameter provision, not a thread designation
• Wheel diameter starting requirement: 15 in; 381 mm; verify the individual wheel against the installation drawing
• Rear axle-end interface: AMC; axle/flange offset 2.60 in; 66.04 mm
• Included mechanical components: Mounting hardware: Yes; hub(s): No; spindle(s): No
• Hydraulic components supplied: Master cylinder: No; brake booster: No; brake lines: No
• Specified pad compound: BP-10
• Rotor dimensions: 12.19 in; 309.63 mm outside diameter; 0.81 in; 20.57 mm thickness
• Rotor construction: Iron; Vented; SRP Drilled & Slotted
• Caliper assembly: Forged Dynalite Internal; 4 pistons per caliper; Forged Aluminium body; Lug mount
• Piston and finish specification: Stainless pistons; Black calipers; Black Powder Coat
• Hydraulic inlet: 1/8-27 NPT
• Wheel bolt pattern(s): 5 x 4.5 in; 5 x 114.3 mm; 5 x 4.75 in; 5 x 120.65 mm; 5 x 5 in; 5 x 127 mm

Fitment & Compatibility

Measure the Javelin or Javelin AMX axle end against DS1026, including the 2.60-inch offset. Check the existing hub and left-side shim/retainer arrangement before adapting the cables and brake hoses.

Documented model groups, subject to each year, submodel and spindle/axle qualification: American Motors Javelin, Javelin AMX. Application distinctions include AMX / AMX Disc Brake Spindle; AMX / AMX Drum Brake Spindle; Base / Disc Brake Spindle; Base / Drum Brake Spindle; Disc Brake Spindle, Bendix Calipers; Disc Brake Spindle, Kelsey Hayes Calipers; AMX / Disc Brake Spindle; AMX / Drum Brake Spindle.

The installation drawing specifies a 2.82-inch axle register and the corresponding centering-adapter arrangement. Check the housing pattern and axle offset, then confirm the flange fits within the 6.61-inch diameter limit with its 0.050-inch x 45-degree chamfer.

Hydraulic hoses/fittings and parking-brake cables, adapters and cable hardware are not included. Choose a compatible cable arrangement for the internal parking brake; universal cable systems may require vehicle or cable modifications.

Kit may fit some 15" wheels. Check wheel clearance diagram in kit installation instructions before purchase.

Manufacturer References

• Wilwood exact kit specifications
• Wilwood installation instructions DS1026
• Axle measurement worksheet

PMB Performance brings over 20 years of experience to brake-component selection. Provide the actual hardware specification when the brake system has been modified.

Review the complete application table below with the year, submodel and installation qualifications above.