BMR Rear Performance Lowering Springs - 1.5" Drop - Red (SP012R) - 2005-2014 Ford Mustang & 2007-2014 Shelby GT500
Drop the tail end of your modern muscle car and resolve its factory rake with the Rear Performance Lowering Springs (SP012R) from BMR Suspension. Specially tuned for 2005-2014 S197 Ford Mustang platforms and 2007-2014 Shelby GT500s, this pair of rear coils lowers the rear suspension by 1.5 inches. Perfect for achieving a level stance, configuring custom track setups, or replacing old, saggy factory units, this kit effectively lowers your vehicle's center of gravity. This delivers a sleek profile, significantly flatter cornering, and minimized weight transfer during hard launches without introducing harsh ride characteristics to your street driving.
Every rear spring in the SP012R kit is crafted from premium high-tensile chrome silicon spring wire and cold-wound on advanced CNC coiling machinery to guarantee absolute left-to-right uniformity. BMR implements a rigorous manufacturing process to ensure elite durability: each coil is pre-compressed solid twice at the factory to set its permanent height, stress-relieved at 750°F, and shot-peened to eliminate surface tensile stresses. These coils feature an advanced engineering twist—a specialized hourglass profile designed explicitly to counteract rear wheel hop. Rated at a 120-160 lb/in variable (progressive) spring rate, they absorb minor road imperfections smoothly before firming up under heavy loads. Finished in a high-durability red powder coat and 100% computer load-tested, this rear set includes a lifetime warranty against spring sag.
IMPORTANT FITMENT & INSTALLATION NOTES:
- Chassis Compatibility: Engineered strictly for the 2005-2014 Ford S197 rear-wheel-drive live-axle chassis, including V6, GT, Boss 302, and Shelby GT500 configurations.
- Application Note: Performance-tuned specifically for street performance, pro-touring, and street/strip setups.
- Installation: Direct replacement for factory rear coils with an estimated installation window of 2-3 hours.
Features
- Fits 2005-2014 Ford Mustang & 2007-2014 Shelby GT500 models
- Delivers a targeted 1.5-inch drop height for the rear suspension
- Responsive 120-160 lb/in variable (progressive) spring rate balances street comfort and performance
- Unique "Hourglass" spring design actively counteracts rear wheel hop
- Manufactured from premium chrome silicon high-tensile spring wire
- Cold-wound on precise CNC coiling machines for perfect side-to-side uniformity
- Compressed solid twice during manufacturing to permanently establish ride height
- Stress-relieved at 750°F and shot-peened for maximum fatigue resistance
- 100% computer-tested for exact height and load capacity consistency
- Dramatically minimizes side-to-side body roll and rear acceleration squat
- Durable red powder coat finish protects against corrosion and road debris
- Backed by a robust lifetime warranty against spring sag
- Proudly designed and manufactured in the U.S.A.
Fitment
Ford Mustang (S197 Live Rear Axle Platforms):
- 2005 Ford Mustang (Base / GT)
- 2006 Ford Mustang (Base / GT)
- 2007 Ford Mustang (Base / GT)
- 2008 Ford Mustang (Base / GT / Bullitt)
- 2009 Ford Mustang (Base / GT)
- 2010 Ford Mustang (Base / GT)
- 2011 Ford Mustang (Base / GT)
- 2012 Ford Mustang (Base / GT / Boss 302)
- 2013 Ford Mustang (Base / GT / Boss 302)
- 2014 Ford Mustang (Base / GT)
Ford Shelby GT500:
- 2007 Ford Shelby GT500
- 2008 Ford Shelby GT500 / GT500KR
- 2009 Ford Shelby GT500
- 2010 Ford Shelby GT500
- 2011 Ford Shelby GT500
- 2012 Ford Shelby GT500
- 2013 Ford Shelby GT500
- 2014 Ford Shelby GT500
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
