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Product details
The red SRP package combines new wheel-mounting hubs with four-piston front calipers. At the front axle, this kit pairs red powder-coated 4-piston calipers and 12.19-inch SRP drilled-and-slotted rotors with the mounting hardware for classic GM and listed Ridetech pin-spindle applications. Based in Camarillo, California, Wilwood Engineering was founded by Bill Wood in 1977. It designs and manufactures disc brake systems for motorsport, street-performance and specialized applications, with a range including calipers, rotors, master cylinders, valves, fittings and brake lines. Selecting the mounting and hydraulic components together is part of building the complete brake system.
Technical Details
- Manufacturer part number: 140-7675-DR.
- Rotor dimensions: 12.19 in; 309.63 mm diameter x 0.81 in; 20.57 mm thick.
- Rotor construction: Iron; vented; SRP Drilled & Slotted friction surface.
- Wheel-size guide: 15 in; 381 mm minimum nominal diameter; verify actual template clearance.
- Calipers: 4 pistons; forged aluminum; stainless steel pistons.
- Caliper attachment: lug mount; 1/8-27 NPT hydraulic inlet.
- Caliper finish: Red Powder Coat.
- Supplied hub wheel bolt circles: 5 x 4.5 in; 5 x 114.3 mm; 5 x 4.75 in; 5 x 120.65 mm.
- Included wheel stud thread: 1/2-20.
- Sold as one kit. Mounting hardware is included. Replacement hubs are included.
- Brake pads are included; use the compound and installation instructions specified for this rotor package.
- Spindles, master cylinder, brake booster and hydraulic brake lines are not included.
Package and installation requirements
- Hub bolt circles are 5 x 4.5 and 5 x 4.75 inches, with 1/2-20 wheel studs. Wheel pattern alone does not establish spindle fit.
- Check spindle preparation, bearing installation and wheel clearance against DS448. Brake hoses are purchased separately.
- Wheel contact surfaces must be fully supported by the hub face. Where they overhang it, Wilwood requires its separately sold 6.60-inch-diameter x 0.20-inch steel spacer. For stamped-steel wheels that do not overhang, the instructions recommend the separate 6.15-inch-diameter x 0.09-inch hub shield. Verify the exact wheel with the installation instructions.
- Wilwood lists a +0.19-inch hub offset per side for this kit. Check the resulting wheel location with the actual GM or Ridetech spindle installation before choosing wheel backspacing.
Fitment & Compatibility
Fitment includes the exact classic GM drum/disc spindle combinations and Ridetech pin-spindle installations shown below. The Ridetech rows also cover specified Ford and Mercury applications and require that aftermarket spindle; they are not stock-spindle fitments. Match every qualifier in the relevant row. Original GM spindles require the modifications detailed in DS448.
Wheel selection requires the complete clearance profile in the instructions. Confirm radial and spoke clearance; do not rely on the minimum diameter alone.
The listed applications below retain their equipment qualifiers. Check the matching row and each referenced note before selecting the kit.
Manufacturer references
PMB Performance has more than 20 years of experience helping customers select brake components. Share the measurements and photos of your current setup so we can help check the application and the additional pieces needed.
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.
Vehicle Applications
| Years | Make | Model | Submodel | Model option | Front brakes | Rear brakes | Kit application | Notes |
|---|---|---|---|---|---|---|---|---|
| 1960-1965 | Ford | Falcon | w/ Ridetech Pin Spindle | Drop | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1960-1965 | Mercury | Comet | w/ Ridetech Pin Spindle | Drop | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1962-1967 | Chevrolet | Chevy II | w/ Ridetech Pin Spindle | Drop | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1963-1964 | Chevrolet | Corvette | w/ Ridetech Pin Spindle | Drop | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1964-1966 | Buick | Skylark | All | Drum | Drum | Front Kit | 1, 2, 4, 5 | |
| 1964-1972 | Buick | Skylark | w/ Ridetech Pin Spindle | Drop | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1964-1966 | Buick | Special | All | Drum | Drum | Front Kit | 1, 2, 4, 5 | |
| 1964-1969 | Buick | Special | w/ Ridetech Pin Spindle | Drop | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1964-1966 | Buick | Sportwagon | All | Drum | Drum | Front Kit | 1, 4, 5 | |
| 1964-1972 | Buick | Sportwagon | w/ Ridetech Pin Spindle | Drop | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1964-1965 | Chevrolet | Chevelle | All | Drum | Drum | Front Kit | 1, 3, 4, 5 | |
| 1964-1972 | Chevrolet | Chevelle | w/ Ridetech Pin Spindle | Drop | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1964-1965 | Chevrolet | Chevy II | All | Drum | Drum | Front Kit | 1, 3, 4, 5 | |
| 1964-1965 | Chevrolet | El Camino | All | Drum | Drum | Front Kit | 1, 3, 4, 5 | |
| 1964-1972 | Chevrolet | El Camino | w/ Ridetech Pin Spindle | Drop | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1964-1965 | Chevrolet | Malibu | All | Drum | Drum | Front Kit | 1, 3, 4, 5 | |
| 1964-1966 | Ford | Mustang | w/ Ridetech Pin Spindle | Drop | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1964-1966 | Oldsmobile | 442 | All | Drum | Drum | Front Kit | 1, 2, 4, 5 | |
| 1964-1971 | Oldsmobile | 442 | w/ Ridetech Pin Spindle | Drop | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1964-1966 | Oldsmobile | Cutlass | All | Drum | Drum | Front Kit | 1, 2, 4, 5 | |
| 1964-1972 | Oldsmobile | Cutlass | w/ Ridetech Pin Spindle | Drop | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1964-1966 | Oldsmobile | F85 | All | Drum | Drum | Front Kit | 1, 2, 4, 5 | |
| 1964-1972 | Oldsmobile | F85 | w/ Ridetech Pin Spindle | Drop | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1964-1966 | Oldsmobile | Vista Cruiser | All | Drum | Drum | Front Kit | 1, 2, 4, 5 | |
| 1964-1972 | Oldsmobile | Vista Cruiser | w/ Ridetech Pin Spindle | Drop | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1964 | Pontiac | Acadian | All | Drum | Drum | Front Kit | 1, 2, 4, 5 | |
| 1964 | Pontiac | Beaumont | All | Drum | Drum | Front Kit | 1, 2, 4, 5 | |
| 1964-1969 | Pontiac | Beaumont | w/ Ridetech Pin Spindle | Drop | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1964 | Pontiac | GTO | All | Drum | Drum | Front Kit | 1, 2, 4, 5 | |
| 1964-1972 | Pontiac | GTO | w/ Ridetech Pin Spindle | Drop | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1964 | Pontiac | LeMans | All | Drum | Drum | Front Kit | 1, 2, 4, 5 | |
| 1964-1972 | Pontiac | LeMans | w/ Ridetech Pin Spindle | Drop | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1964 | Pontiac | Tempest | All | Drum | Drum | Front Kit | 1, 2, 4, 5 | |
| 1964-1970 | Pontiac | Tempest | w/ Ridetech Pin Spindle | Drop | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1965-1967 | Buick | Gran Sport | All | Drum | Drum | Front Kit | 1, 4, 5 | |
| 1965-1967 | Buick | Gran Sport | w/ Ridetech Pin Spindle | Drop | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1965-1982 | Chevrolet | Corvette | w/ Ridetech Pin Spindle | Drop | Disc | Front Kit | 1, 2, 3, 4, 5 | |
| 1965-1979 | Ford | F-100 | w/ Ridetech Pin Spindle | Drop | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1965-1966 | Pontiac | Acadian | All | Drum | Drum | Front Kit | 1, 4, 5 | |
| 1965-1966 | Pontiac | Beaumont | All | Drum | Drum | Front Kit | 1, 4, 5 | |
| 1965-1966 | Pontiac | GTO | All | Drum | Drum | Front Kit | 1, 4, 5 | |
| 1965-1966 | Pontiac | LeMans | All | Drum | Drum | Front Kit | 1, 4, 5 | |
| 1965-1966 | Pontiac | Tempest | All | Drum | Drum | Front Kit | 1, 4, 5 | |
| 1966 | Chevrolet | Chevelle | All | Drum | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1966 | Chevrolet | Chevy II | All | Drum | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1966 | Chevrolet | El Camino | All | Drum | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1966 | Chevrolet | Malibu | All | Drum | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1967-1972 | Buick | Skylark | Disc Brake Spindle | Disc | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1967-1970 | Buick | Skylark | Drum Brake Spindle | Drum | Drum | Front Kit | 1, 2, 4, 5 | |
| 1967-1969 | Buick | Special | Disc Brake Spindle | Disc | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1967-1969 | Buick | Special | Drum Brake Spindle | Drum | Drum | Front Kit | 1, 2, 4, 5 | |
| 1967-1972 | Buick | Sportwagon | Disc Brake Spindle | Disc | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1967-1970 | Buick | Sportwagon | Drum Brake Front | Drum | Drum | Front Kit | 1, 4, 5 | |
| 1967-1969 | Chevrolet | Camaro | Disc Brake Spindle | Disc | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1967-1969 | Chevrolet | Camaro | Drum Brake Front | Drum | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1967-1969 | Chevrolet | Camaro | w/ Ridetech Pin Spindle | Drop | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1967-1972 | Chevrolet | Chevelle | Disc Brake Spindle | Disc | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1967-1972 | Chevrolet | Chevelle | Drum Brake Front | Drum | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1967-1968 | Chevrolet | Chevy II | Disc Brake Spindle | Disc | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1967-1968 | Chevrolet | Chevy II | Drum Brake Front | Drum | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1967-1972 | Chevrolet | El Camino | Disc Brake Spindle | Disc | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1967-1972 | Chevrolet | El Camino | Drum Brake Spindle | Drum | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1967 | Chevrolet | Malibu | Disc Brake Spindle | Disc | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1967 | Chevrolet | Malibu | Drum Brake Front | Drum | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1967-1971 | Oldsmobile | 442 | Disc Brake Spindle | Disc | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1967-1972 | Oldsmobile | Cutlass | Disc Brake Spindle | Disc | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1967-1972 | Oldsmobile | Cutlass | Drum Brake Spindle | Drum | Drum | Front Kit | 1, 2, 4, 5 | |
| 1967-1972 | Oldsmobile | Cutlass Supreme | Disc Brake Spindle | Disc | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1967-1972 | Oldsmobile | Cutlass Supreme | Drum Brake Spindle | Drum | Drum | Front Kit | 1, 2, 4, 5 | |
| 1967-1972 | Oldsmobile | Cutlass Supreme | w/ Ridetech Pin Spindle | Drop | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1967-1972 | Oldsmobile | F85 | Disc Brake Spindle | Disc | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1967-1969 | Oldsmobile | F85 | Drum Brake Spindle | Drum | Drum | Front Kit | 1, 2, 4, 5 | |
| 1967-1972 | Oldsmobile | Vista Cruiser | Disc Brake Spindle | Disc | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1967-1972 | Oldsmobile | Vista Cruiser | Drum Brake Spindle | Drum | Drum | Front Kit | 1, 2, 4, 5 | |
| 1967-1968 | Pontiac | Acadian | Disc Brake Spindle | Disc | Drum | Front Kit | 1, 2, 4, 5 | |
| 1967-1971 | Pontiac | Acadian | Drum Brake Spindle | Drum | Drum | Front Kit | 1, 2, 4, 5 | |
| 1967-1968 | Pontiac | Beaumont | Disc Brake Spindle | Disc | Drum | Front Kit | 1, 2, 4, 5 | |
| 1967-1969 | Pontiac | Beaumont | Drum Brake Spindle | Drum | Drum | Front Kit | 1, 2, 4, 5 | |
| 1967-1969 | Pontiac | Firebird | Disc Brake Spindle | Disc | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1967-1969 | Pontiac | Firebird | Drum Brake Spindle | Drum | Drum | Front Kit | 1, 2, 4, 5 | |
| 1967-1969 | Pontiac | Firebird | w/ Ridetech Pin Spindle | Drop | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1967-1968 | Pontiac | GTO | Disc Brake Spindle | Disc | Drum | Front Kit | 1, 2, 4, 5 | |
| 1967-1971 | Pontiac | GTO | Drum Brake Spindle | Drum | Drum | Front Kit | 1, 2, 4, 5 | |
| 1967-1972 | Pontiac | LeMans | Disc Brake Spindle | Disc | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1967-1972 | Pontiac | LeMans | Drum Brake Spindle | Drum | Drum | Front Kit | 1, 2, 4, 5 | |
| 1967-1970 | Pontiac | Tempest | Disc Brake Spindle | Disc | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1967-1970 | Pontiac | Tempest | Drum Brake Spindle | Drum | Drum | Front Kit | 1, 2, 4, 5 | |
| 1968-1969 | Buick | GS 350 | w/ Ridetech Pin Spindle | Drop | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1968 | Buick | GS 350 | Base | Base | Drum | Drum | Front Kit | 1, 4, 5 |
| 1968-1969 | Buick | GS 400 | w/ Ridetech Pin Spindle | Drop | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1968 | Buick | GS 400 | Base | Base | Drum | Drum | Front Kit | 1, 4, 5 |
| 1968-1969 | Chevrolet | Camaro | Z/28 w/ 4 Wheel Disc | Disc | Disc | Front Kit | 1, 2, 3, 4, 5 | |
| 1969 | Buick | GS 350 | Disc Brake Spindle | Disc | Drum | Front Kit | 1, 3, 4, 5 | |
| 1969 | Buick | GS 350 | Drum Brake Front | Drum | Drum | Front Kit | 1, 4, 5 | |
| 1969 | Buick | GS 400 | Disc Brake Spindle | Disc | Drum | Front Kit | 1, 3, 4, 5 | |
| 1969 | Buick | GS 400 | Drum Brake Front | Drum | Drum | Front Kit | 1, 4, 5 | |
| 1969-1974 | Chevrolet | Nova | Disc Brake Spindle | Disc | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1969-1974 | Chevrolet | Nova | Drum Brake Front | Drum | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1969-1974 | Chevrolet | Nova | w/ Ridetech Pin Spindle | Drop | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1969-1971 | Pontiac | Acadian | Disc Brake Spindle | Disc | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1969 | Pontiac | Beaumont | Disc Brake Spindle | Disc | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1969-1972 | Pontiac | Grand Prix | Disc Brake Spindle | Disc | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1969 | Pontiac | Grand Prix | Drum Brake Spindle | Drum | Drum | Front Kit | 1, 2, 4, 5 | |
| 1969-1972 | Pontiac | GTO | Disc Brake Spindle | Disc | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1970-1972 | Buick | GS | w/ Ridetech Pin Spindle | Drop | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1970-1972 | Buick | GS | Base | Base | Disc | Drum | Front Kit | 1, 3, 4, 5 |
| 1970-1972 | Buick | GS 455 | w/ Ridetech Pin Spindle | Drop | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1970-1972 | Buick | GS 455 | Base | Base | Disc | Drum | Front Kit | 1, 3, 4, 5 |
| 1970-1972 | Chevrolet | Monte Carlo | Disc Brake Spindle | Disc | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1970-1971 | Oldsmobile | 442 | w/ O.A.I. Drum Brake Spindles | Drum | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1970-1972 | Oldsmobile | Cutlass | w/ O.A.I. Drum Brake Spindles | Drum | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1970-1972 | Oldsmobile | Cutlass Supreme | w/ O.A.I. Drum Brake Spindles | Drum | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1970-1972 | Oldsmobile | F85 | Drum Brake Spindle w/o O.A.I | Drum | Drum | Front Kit | 1, 2, 4, 5 | |
| 1970-1972 | Oldsmobile | F85 | w/ O.A.I. Drum Brake Spindles | Drum | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1971-1972 | GMC | Sprint | Disc Brake Spindle | Disc | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1971-1972 | GMC | Sprint | Drum Brake Spindle | Drum | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1971-1972 | GMC | Sprint | w/ Ridetech Pin Spindle | Drop | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1971-1974 | Pontiac | Ventura | Disc Brake Spindle | Disc | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1971-1974 | Pontiac | Ventura | Drum Brake Front | Drum | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1971-1974 | Pontiac | Ventura | w/ Ridetech Pin Spindle | Drop | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1973-1974 | Buick | Apollo | Disc Brake Spindle | Disc | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1973-1974 | Buick | Apollo | Drum Brake Front | Drum | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1973-1974 | Buick | Apollo | w/ Ridetech Pin Spindle | Drop | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1973-1974 | Oldsmobile | Omega | Disc Brake Spindle | Disc | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1973-1974 | Oldsmobile | Omega | Drum Brake Front | Drum | Drum | Front Kit | 1, 2, 3, 4, 5 | |
| 1973-1974 | Oldsmobile | Omega | w/ Ridetech Pin Spindle | Drop | Drum | Front Kit | 1, 2, 3, 4, 5 |
Application Notes
- Kit may fit some 15" wheels. Check wheel clearance diagram in kit installation instructions before purchase.
- Universal Flexline kits available: 220-7056 (14"), 220-7699 (16") or 220-8307 (18"). Choose correct length for your application.
- This kit supplies front service-brake components. No parking-brake mechanism or parking-brake cables are included; verify the vehicle's separate rear parking-brake system.
- Line kit included (manufacturer): None
- Front line-kit reference: 220-7056