Wilwood front Dynalite kit for Ford Drum-Brake Spindles, red calipers and 12.19-inch srp drilled and slotted rotors laid out
Wilwood red Dynalite caliper and 12.19-inch srp drilled and slotted rotor for Ford Drum-Brake Spindles, assembled front view
Wilwood front Dynalite kit for Ford Drum-Brake Spindles, red calipers and 12.19-inch srp drilled and slotted rotors laid out
Wilwood red Dynalite caliper and 12.19-inch srp drilled and slotted rotor for Ford Drum-Brake Spindles, assembled front view

Wilwood Front Ford Drum-Spindle Conversion (1937–1948), Red Dynalite Calipers & 12.19-Inch SRP Rotors

SKU: 140-8583-DR

$1,288.91 Sale
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Product details

This red Dynalite front package combines four-piston braking hardware with new dual-pattern hubs for the listed early Ford applications. Its vented 12.19-inch SRP rotors are drilled and slotted; the existing spindle must match the documented drum-brake configuration. The manufacturer is Wilwood Engineering, founded by Bill Wood in 1977 and based in Camarillo, California. It designs and manufactures disc brake components and complete systems, from calipers and brake rotors to valves, master cylinders, fittings and brake lines. Motorsport, street-performance and specialized installations each require those components to be matched to the complete brake system.

Technical Details

  • Manufacturer part number: 140-8583-DR
  • Caliper body: Forged aluminum; hydraulic inlet: 1/8-27 NPT
  • Rotor surface finish: Black Electro Coat; rotors are not supplied burnished
  • Supplied hub wheel pattern(s): 5 x 4.5 in; 5 x 114.3 mm; 5 x 4.75 in; 5 x 120.65 mm
  • Supplied wheel studs: 1/2-20 in
  • Hydraulic hoses: not included; match the separate lines and fittings to the application
  • Included hub package: hubs, bearings, seals, adapters and mounting hardware; original spindles are retained
  • Not included: master cylinder and brake booster
  • Wheel clearance: 15-inch wheels may fit; check the complete manufacturer caliper/rotor template
  • Quantity: sold as one axle kit
  • Service calipers: 4-piston Forged Dynalite Internal; Red Powder Coat; lug mounting
  • Brake rotors: 12.19 x 0.81 inches; Iron; SRP Drilled & Slotted; vented
  • Included pad compound: BP-10; pistons: stainless steel

Fitment & Compatibility

Intended for the early Ford drum-brake spindle used by the qualified 1937–1948 passenger-car, sedan-delivery and pickup applications below. The application list includes Deluxe, Standard, Super Deluxe and the individual numbered Ford models. Check the actual spindle and bearing dimensions before treating a passenger-car or truck listing as a match.

Match the bracket and hub installation to DS481. The original rubber hoses do not connect directly to the Wilwood calipers; the listed 220-8307 flexline package is separate and must be checked for length and routing.

The wheel contact surface must seat fully on the hub. If it overhangs the hub face, Wilwood requires the separate 6.60-inch-diameter x 0.20-inch steel spacer 300-11961. For stamped-steel wheels that do not overhang, Wilwood recommends the 6.15-inch x 0.09-inch hub shield 300-10716. Inspect contact surfaces and follow the wheel maker’s tightening requirements.

Review the complete fitment table below before purchase, retaining the restrictions attached to the chosen vehicle.

Manufacturer Resources

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.

PMB Performance brings over 20 years of experience with brake components and fitment details. Send us your VIN together with the installed axle, spindle, brake and wheel specifications if you need help confirming this package.

Vehicle Applications

Years Make Model Submodel Model option Front brakes Rear brakes Kit application Notes
1937-1947 Ford 1 Ton Pickup Base Base Drum Drum Front Kit 1, 2, 3, 4, 5, 6
1937-1947 Ford 1/2 Ton Pickup Base Base Drum Drum Front Kit 1, 2, 3, 4, 5, 6
1937-1947 Ford 3/4 Ton Pickup Base Base Drum Drum Front Kit 1, 2, 3, 4, 5, 6
1937 Ford Model 74 Base All Tudor / Fordor / SW Drum Drum Front Kit 1, 2, 3, 4, 5, 6
1937 Ford Model 78 Base All Tudor / Fordor / SW Drum Drum Front Kit 1, 2, 3, 4, 5, 6
1937-1942, 1946-1947 Ford Sedan Delivery Base Base Drum Drum Front Kit 1, 2, 3, 4, 5, 6
1938 Ford Model 81 A All Tudor / Fordor / SW Drum Drum Front Kit 1, 2, 3, 4, 5, 6
1938 Ford Model 82 A All Tudor / Fordor / SW Drum Drum Front Kit 1, 2, 3, 4, 5, 6
1938 Ford Model 85 Base Base Drum Drum Front Kit 1, 2, 3, 4, 5, 6
1939 Ford Deluxe Base All Tudor & Fordor (922A) Drum Drum Front Kit 1, 2, 3, 4, 5, 6
1939-1940 Ford Standard Base Base Drum Drum Front Kit 1, 2, 3, 4, 5, 6
1940-1941, 1946-1948 Ford Deluxe Base Base Drum Drum Front Kit 1, 2, 3, 4, 5, 6
1940 Ford Pickup Base Base Drum Drum Front Kit 1, 2, 3, 4, 5, 6
1941 Ford Model 1 GA Truck Base Base Drum Drum Front Kit 1, 2, 3, 4, 5, 6
1941 Ford Model 11 A Base Base Drum Drum Front Kit 1, 2, 3, 4, 5, 6
1941-1942, 1946-1948 Ford Super Deluxe Base Base Drum Drum Front Kit 1, 2, 3, 4, 5, 6
1942 Ford Model 2 GA Special Base Base Drum Drum Front Kit 1, 2, 3, 4, 5, 6
1942 Ford Model 21 A Deluxe Base Base Drum Drum Front Kit 1, 2, 3, 4, 5, 6

Application Notes

  1. Kit may fit some 15" wheels. Check wheel clearance diagram in kit installation instructions before purchase.
  2. Universal Flexline kits available: 220-7056 (14"), 220-7699 (16") or 220-8307 (18"). Choose correct length for your application.
  3. Master Cylinder may require modification to existing pushrod assembly to install.
  4. This front brake kit contains no parking-brake mechanism. Parking-brake cable selection belongs to the separate rear brake installation.
  5. Line kit included (manufacturer): None
  6. Front line-kit reference: 220-8307