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Product details
Wilwood drilled/slotted rear rotors and black Dynalite calipers for OE C-clip Chevrolet 12-bolt axles. Eliminator conversions require another kit. Wilwood Engineering began in 1977 with founder Bill Wood and is based in Camarillo, California. It designs and manufactures disc brake systems and components, including calipers, brake rotors, master cylinders, valves, fittings and brake lines. The company serves motorsport, street-performance and specialized applications, where the complete system determines component selection.
Technical Details
- Manufacturer part number: 140-2112-BD
- Rotor configuration: 12.19-inch diameter and 0.81-inch thickness; srp drilled and slotted vented iron.
- Caliper assembly: 4 stainless pistons in each forged aluminum caliper, with black powder coat finish.
- Mount and inlet: Lug caliper attachment with 1/8-27 NPT fluid inlets.
- Housing-end requirement: 12 Bolt; Offset requires confirmation: manufacturer product page and instruction cover disagree.
- Rotor/hat wheel-stud clearance pattern: 5 X 4.5 in; 5 X 4.75 in; 5 X 5 in (5 X 114.3 mm; 5 X 120.65 mm; 5 X 127 mm)
- Wheel fit: 15-inch nominal minimum; check both barrel and spoke clearance against the installation template.
- Kit supply: mounting hardware
- Not included: master cylinder, booster, spindles, flexible brake lines, hubs
- Parking brake: No parking-brake mechanism supplied
Fitment & Compatibility
This version requires the OE C-clip axle configuration and excludes special housing ends and C-clip eliminators. Confirm the housing, bearing retention and measured offset rather than choosing by the modified-vehicle examples below. The current page states 2.91-inch offset and DS-121 states 2.81 inches; resolve that difference with Wilwood before purchase. Select flexlines separately and check the wheel drawing.
Manufacturer Documents
Wilwood kit specifications and component list
Manufacturer Warning
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 parts and fitment experience. Send the installed brake and axle details for help confirming the correct configuration.
Vehicle Applications
| Years | Make | Model | Model option | Front brakes | Rear brakes | Kit application | Notes |
|---|---|---|---|---|---|---|---|
| 1964-1968 | Chevrolet | Chevelle | w/ Ridetech Hub Spindle | Drop | Drum | Rear Kit | 1, 2, 3, 4, 5 |
| 1964-1969 | Chevrolet | Chevelle | w/ Ridetech Pin Spindle | Drop | Drum | Rear Kit | 1, 2, 3, 4, 5 |
| 1964 | Oldsmobile | 442 | w/ Ridetech Hub Spindle | Drop | Drum | Rear Kit | 1, 2, 3, 4, 5 |
| 1964-1969 | Pontiac | Beaumont | w/ Ridetech Hub Spindle | Drop | Drum | Rear Kit | 1, 2, 3, 4, 5 |
| 1964-1969 | Pontiac | Beaumont | w/ Ridetech Pin Spindle | Drop | Drum | Rear Kit | 1, 2, 3, 4, 5 |
| 1967-1969 | Chevrolet | Camaro | w/ Ridetech Hub Spindle | Drop | Drum | Rear Kit | 1, 2, 3, 4, 5 |
| 1967-1969 | Chevrolet | Camaro | w/ Ridetech Pin Spindle | Drop | Drum | Rear Kit | 1, 2, 3, 4, 5 |
| 1970 | Oldsmobile | 442 | w/ Ridetech Pin Spindle | Drop | Drum | Rear Kit | 1, 2, 3, 4, 5 |
| 1973-1974 | Buick | Apollo | w/ Ridetech Hub Spindle | Drop | Drum | Rear Kit | 1, 2, 3, 4, 5 |
| 1973-1974 | Buick | Apollo | w/ Ridetech Pin Spindle | Drop | Drum | Rear Kit | 1, 2, 3, 4, 5 |
Application Notes
- For OE C-Clip axles only. Does not support Special End or C-Clip Eliminator modifications
- 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 rear service-brake kit has no parking-brake mechanism and includes no parking-brake cables. A separate compatible parking-brake solution is required where applicable.
- Line kit included (manufacturer): None