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#83514012550D
Wilwood 140-12550-D Dynapro SA Lug Drive Rear Drag Brake Kit
- Wilwood's new Billet Dynapro Lug-Drive Dynamic Stainless Super Alloy Rotor Brake Kits are especially beneficial to cars that rely heavily on the rear brakes for stopping and any other high speed, heavy weight cars that generate above average rear brake heat
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$940.55
each
Factory Shipped
This part will be shipped by the manufacturer. We estimate this item will ship on or before October 3rd.
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Product Summary
Rear Position, 5 on 4.75" | 5" Bolt Pattern, Gray
- Wilwood's new Billet Dynapro Lug-Drive Dynamic Stainless Super Alloy Rotor Brake Kits are especially beneficial to cars that rely heavily on the rear brakes for stopping and any other high speed, heavy weight cars that generate above average rear brake heat
- The lug-drive rotor mounting system eliminates the rotor bolts and instead, a large single internal snap-ring retains the rotor in the hat, making assembly and installation literally a snap
- This system allows the rotors to move independently of the hats as they expand and contract through heat cycles
- All thermally generated stress is removed from the rotor attachment points
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Key Specs
| Position | Rear |
| Bolt Pattern | 5 on 4.75" | 5" |
| Rotor Diameter | 11.44 Inch |
| Rotor Type | Solid |
| Caliper Pistons | Four |
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Wilwood 140-12550-D Details
- Wilwood's new Billet Dynapro Lug-Drive Dynamic Stainless Super Alloy Rotor Brake Kits are especially beneficial to cars that rely heavily on the rear brakes for stopping and any other high speed, heavy weight cars that generate above average rear brake heat
- The lug-drive rotor mounting system eliminates the rotor bolts and instead, a large single internal snap-ring retains the rotor in the hat, making assembly and installation literally a snap
- This system allows the rotors to move independently of the hats as they expand and contract through heat cycles
- All thermally generated stress is removed from the rotor attachment points
- The rotors stay flatter and run truer
- Kits are available in two rotor diameters: A traditional 11
- 44” diameter and a smaller 11
- 25” diameter for clearance with bead lock rims
- The hats are no longer distorted by stresses generated by thermal expansion and shrinkage of the rotors
- Spring-loaded, replaceable stainless steel inserts in each lug-drive slot protect the aluminum hat from wear that would otherwise be caused by loading of the stainless steel rotor against the hat when brake torque is applied
- Kits are available in Single and Dual caliper configurations
Guides & Documents
Wilwood 140-12550-D Specifications
Wilwood 140-12550-D Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 140-12550-D |
| Brand | Wilwood |
| Position | Rear |
| Bolt Pattern | 5 on 4.75" | 5" |
| Rotor Diameter | 11.44 Inch |
| Rotor Type | Solid |
| Caliper Pistons | Four |
| Caliper Finish | Type III Anodized |
| Parking Brake Provision | No |
| Minimum Recommended Wheel Diameter | 15 Inch |
| Hardware Included | Yes |
| Rotor Style | Drilled |
| Front Rotor Included | No |
| Front Caliper Included | No |
| Rear Caliper Included | Yes |
| Front Spindles Included | No |
| Master Cylinder Included | No |
| Brake Booster Included | No |
| Brake Hoses Included | No |
| Rear Rotor Included | Yes |
| GENERAL | |
| Rotor Thickness | 0.35" |
| Sold in Quantity | Kit |
| Offset | 2.81" |
| Axle Flange Offset | 2.81" |
| Mount Type | Lug |
| Total Piston Area | 4.80 sq. in. |
| Piston Type | Stainless |
| Pad Area | 6.36 sq. in. |
| Pad Volume | 2.10 cu. in. |
| Brake Pad Compound | Composite Metallic |
| Caliper Type | Lug |
| Rotor Finish | Plain |
| Rotor Material Type | Super Alloy |
| Vane Count | None |
| Bedded | No |
| Balanced | No |
| Hat Type | Dynamic Drag Hat - Lug Drive |
| Hat Finish | Black E-Coat |
| Hat Bolt Circle 2 | 5 x 4.75 |
| Hat Bolt Circle 1 | 5 x 5.00 |
| Hat Material Type | Aluminum |
| Hat Offset Dimension | 1.96" |
| GTIN Code | 889545016796 |
| Brake Lines Included | No |
| Caliper Color | Gray |
| Caliper Material Type | Forged Aluminum |
| Rear Caliper Color | Black |
| Rear Caliper Material | Forged billet aluminum |
| Rear Caliper Piston Quantity | Four |
| Rear Rotor Construction | Solid |
| Rear Rotor Diameter | 11.44" |
| Rear Rotor Style | Cross-drilled surface |
| Rear Rotor Thickness | 0.35" |