WELD RT-S S77 Forged Wheel for 2005-2014 Ford Mustang (5x114.3)
WELD RT-S S77 Forged Wheel for 2005-2014 Ford Mustang (5x114.3)
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$765.00
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WELD RT-S forged drag wheel for the 2005-2014 Mustang (S197) and 2007-2014 Shelby GT500, sold individually. Choose the size and finish. We order the WELD part number (offset, backspace and pad height) that matches your car and wheel position from WELD's RT-S fitment chart below, so tell us your model, brakes and front or rear when you order, or call (920) 716-4005.
- Price is per wheel.
- Black Center finish on every design; Polished is also offered on the S71, S77 and S81.
- Fitments are for factory suspension, wheel wells and brakes unless a note says otherwise.
- 5x4.5 (5x114.3) bolt circle. Conical lug nuts are required for 17, 18 and 20 in. wheels. 15 in. wheels use 0.50 in. long mag shank lug nuts; 5/8 in. drive studs are acceptable.
- Other sizes and offsets are available from WELD. Call us for anything not listed.
2013-2014 Shelby GT500
| Size | Position | Offset | Backspace | Pad |
|---|---|---|---|---|
| 17x9.5 | Rear | +42mm | 7.0" | Low |
| 17x10 | Rear | +48mm | 7.5" | Low |
| 17x10.5 | Rear | +42mm | 7.5" | Low |
| 18x5 | Front | -23mm | 2.1" | High |
| 18x7 | Front | +3mm | 4.1" | High |
| 18x8 | Front | +15mm | 5.1" | High |
| 18x10 | Front/Rear | +41mm | 7.1" | High |
| 18x10 | Rear | +56mm | 7.7" | Low |
| 18x10.5 | Rear | +50mm | 7.7" | Low |
| 20x7 | Front | +6mm | 4.25" | High |
| 20x8 | Front/Rear | +19mm | 5.25" | High |
| 20x9 | Front/Rear | +32mm | 6.25" | High |
| 20x10 | Front/Rear | +43mm | 7.25" | High |
| 20x10.5 | Rear | +50mm | 7.75" | High |
18 in. high-pad fronts (18x5, 18x7, 18x8, 18x10): the outer caliper piston contacts the back of the wheel spoke, so a 3-4mm wheel spacer is required. The 18x7, 18x8 and 18x10 front fitments use 18 in. big bell shells (wheels built after 7/1/18).
2007-2012 Shelby GT500
Brembo front brakes, 14 in. rotors.
| Size | Position | Offset | Backspace | Pad |
|---|---|---|---|---|
| 15x4 | Front | -27mm | 1.5" | Medium |
| 15x9 | Rear | +37mm | 6.5" | Medium |
| 15x10 | Rear | +50mm | 7.5" | Medium |
| 17x5 | Front | -21mm | 2.2" | High |
| 17x7 | Front | +5mm | 4.2" | High |
| 17x8 | Front/Rear | +18mm | 5.2" | High |
| 17x9.5 | Front/Rear | +37mm | 6.7" | High |
| 17x10 | Rear | +59mm | 7.8" | Medium |
| 18x5 | Front | -23mm | 2.1" | High |
| 18x7 | Front | +3mm | 4.1" | High |
| 18x8 | Front | +15mm | 5.1" | High |
| 18x10 | Front/Rear | +41mm | 7.1" | High |
| 18x10 | Rear | +56mm | 7.7" | Medium |
| 20x7 | Front | +6mm | 4.25" | High |
| 20x8 | Front/Rear | +19mm | 5.25" | High |
| 20x9 | Front/Rear | +32mm | 6.25" | High |
| 20x10 | Front/Rear | +44mm | 7.25" | High |
15x4 front: requires a small brake kit.
15x9 and 15x10 rears: require Steeda or BMR rear sway bar relocation brackets.
18 in. high-pad fronts (18x5, 18x7, 18x8, 18x10): fit with 18 in. big bell shells (wheels built after 7/1/18) and require a 1/4 in. spacer.
2011-2014 Mustang GT with Brembo brakes
Brembo brakes, 14 in. front rotors.
| Size | Position | Offset | Backspace | Pad |
|---|---|---|---|---|
| 15x9 | Rear | +37mm | 6.5" | Medium |
| 15x10 | Rear | +50mm | 7.5" | Medium |
| 17x5 | Front | -21mm | 2.2" | High |
| 17x7 | Front | +5mm | 4.2" | High |
| 17x8 | Front/Rear | +18mm | 5.2" | High |
| 17x9.5 | Front/Rear | +37mm | 6.7" | High |
| 17x10 | Rear | +59mm | 7.8" | Medium |
| 18x5 | Front | -23mm | 2.1" | High |
| 18x7 | Front | +3mm | 4.1" | High |
| 18x8 | Front/Rear | +15mm | 5.1" | High |
| 18x10 | Front/Rear | +41mm | 7.1" | High |
| 18x10 | Rear | +56mm | 7.7" | Medium |
| 20x7 | Front | +6mm | 4.25" | High |
| 20x8 | Front/Rear | +19mm | 5.25" | High |
| 20x9 | Front/Rear | +32mm | 6.25" | High |
| 20x10 | Front/Rear | +44mm | 7.25" | High |
15x9 and 15x10 rears: require Steeda or BMR rear sway bar relocation brackets.
2011-2014 Mustang GT with standard brakes
Standard Ford brakes, 13 in. front rotors. WELD AlumaStar, Magnum and V-Series 17x4.5 fronts also fit.
| Size | Position | Offset | Backspace | Pad |
|---|---|---|---|---|
| 15x9 | Rear | +37mm | 6.5" | Medium |
| 15x10 | Rear | +50mm | 7.5" | Medium |
| 17x5 | Front | -3mm | 3.0" | Low |
| 17x7 | Front | +10mm | 4.4" | Low |
| 17x8 | Front/Rear | +23mm | 5.4" | Low |
| 17x9.5 | Front/Rear | +42mm | 6.9" | Low |
| 17x10 | Rear | +48mm | 7.4" | Low |
| 17x10.5 | Rear | +55mm | 7.9" | Low |
| 18x5 | Front | -8mm | 2.7" | Low |
| 18x7 | Front | +18mm | 4.7" | Low |
| 18x8 | Front/Rear | +30mm | 5.7" | Low |
| 18x9 | Front/Rear | +44mm | 6.7" | Low |
| 18x10 | Rear | +43mm | 7.2" | Low |
| 18x10.5 | Rear | +50mm | 7.7" | Low |
| 20x7 | Front | +13mm | 4.5" | Low |
| 20x8 | Front/Rear | +25mm | 5.5" | Low |
| 20x9 | Front/Rear | +39mm | 6.5" | Low |
| 20x10 | Rear | +51mm | 7.5" | Low |
| 20x10.5 | Rear | +58mm | 8.0" | Low |
15x9 and 15x10 rears: require Steeda or BMR rear sway bar relocation brackets.
17x10.5, 18x10 and 18x10.5 rears: edgy fit. Watch tire width and test-fit the wheel on the car before mounting tires.
2005-2010 Mustang GT and 2011-2014 V6
12.44 in. front rotors. WELD AlumaStar, Magnum and V-Series 17x4.5 fronts also fit.
| Size | Position | Offset | Backspace | Pad |
|---|---|---|---|---|
| 15x4 | Front | -27mm | 1.5" | Medium |
| 15x8 | Rear | +25mm | 5.5" | Medium |
| 15x9 | Rear | +37mm | 6.5" | Medium |
| 15x10 | Rear | +50mm | 7.5" | Medium |
| 17x7 | Front | +20mm | 4.8" | Medium |
| 17x8 | Front/Rear | +33mm | 5.8" | Medium |
| 17x9.5 | Front/Rear | +40mm | 6.8" | Medium |
| 17x10 | Rear | +58mm | 7.8" | Medium |
| 17x10.5 | Rear | +53mm | 7.8" | Medium |
| 18x5 | Front | +6mm | 3.2" | Medium |
| 18x7 | Front | +18mm | 4.7" | Medium |
| 18x8 | Front/Rear | +30mm | 5.7" | Medium |
| 18x9.5 | Front/Rear | +37mm | 6.7" | Medium |
| 18x10 | Rear | +56mm | 7.7" | Medium |
| 18x10.5 | Rear | +50mm | 7.7" | Medium |
| 20x7 | Front | +10mm | 4.4" | Medium |
| 20x8 | Front/Rear | +23mm | 5.4" | Medium |
| 20x10 | Rear | +48mm | 7.4" | Medium |
| 20x11 | Rear | +61mm | 8.4" | Medium |
15x4 front: the only 15 in. front option; anything wider hits the caliper.
15x9 and 15x10 rears: require Steeda or BMR rear sway bar relocation brackets.
17x10.5 rear and 18x9.5: edgy fit. Watch tire width and test-fit the wheel on the car before mounting tires.
2005-2010 Mustang V6
11 in. front rotors. WELD AlumaStar, Magnum and V-Series 17x4.5 fronts also fit.
| Size | Position | Offset | Backspace | Pad |
|---|---|---|---|---|
| 15x4 | Front | -27mm | 1.5" | Medium |
| 15x8 | Rear | +25mm | 5.5" | Medium |
| 15x9 | Rear | +37mm | 6.5" | Medium |
| 15x10 | Rear | +50mm | 7.5" | Medium |
| 17x7 | Front | +20mm | 4.8" | Medium |
| 17x8 | Front/Rear | +33mm | 5.8" | Medium |
| 17x9 | Front/Rear | +46mm | 6.8" | Medium |
| 17x9.5 | Front/Rear | +40mm | 6.8" | Medium |
| 17x10 | Rear | +58mm | 7.8" | Medium |
| 17x10.5 | Rear | +53mm | 7.8" | Medium |
| 18x5 | Front | +6mm | 3.2" | Medium |
| 18x7 | Front | +18mm | 4.7" | Medium |
| 18x8 | Front/Rear | +30mm | 5.7" | Medium |
| 18x9 | Front/Rear | +44mm | 6.7" | Medium |
| 18x9.5 | Front/Rear | +37mm | 6.7" | Medium |
| 18x10 | Rear | +56mm | 7.7" | Medium |
| 18x10.5 | Rear | +50mm | 7.7" | Medium |
| 20x7 | Front | +10mm | 4.4" | Medium |
| 20x8 | Front/Rear | +23mm | 5.4" | Medium |
| 20x10 | Rear | +48mm | 7.4" | Medium |
| 20x10.5 | Rear | +55mm | 7.9" | Medium |
15x4 front: the only 15 in. front option; anything wider hits the caliper.
15x9 and 15x10 rears: require Steeda or BMR rear sway bar relocation brackets.
17x10.5 rear and 18x9.5: edgy fit. Watch tire width and test-fit the wheel on the car before mounting tires.
Sold and installed at Vertex Motorsports in Appleton, WI. Call (920) 716-4005.
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