Reviews Progressive Spring Rate

SR Performance Lowering Springs Compatible with 08-22 Challenger, Excluding SRT

  • Lowers Center Of Gravity For Improved Handling.
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SR Performance Lowering Springs Compatible with 05-14 Mustang GT Coupe, V6 Coupe

  • Lowers Center Of Gravity For Improved Handling.
  • Estimated Drop: Front – 1.5 Rear – 1.5.
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SR Performance Lowering Springs; Sport Compatible with 79-04 Mustang Coupe, Excluding 99-04 Cobra

  • Lowers Center Of Gravity For Improved Handling.
  • Estimated Drop: Front – 1.5-Inch, Rear – 1.5-Inch.
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Progressive Suspension 412-4065B Black Anodized Finish 13

  • Durable design means they will be an improvement to your motorcycle's suspension performance.
  • All steel double wall damper with multistage velocity sensitive damping.
  • High pressure gas charged for consistent damping performance.
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Progressive Suspension 412-4066B Black Anodized Finish 11.5

  • Durable design means they will be an improvement to your motorcycle's suspension performance.
  • All steel double wall damper with multistage velocity sensitive damping.
  • High pressure gas charged for consistent damping performance.
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Progressive Suspension 412-4062B Black Anodized Finish 11

  • Durable design means they will be an improvement to your motorcycle's suspension performance.
  • All steel double wall damper with multistage velocity sensitive damping.
  • High pressure gas charged for consistent damping performance.
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Progressive Suspension 412-4063B Black Anodized Finish 11.5

  • Durable design means they will be an improvement to your motorcycle's suspension performance.
  • All steel double wall damper with multistage velocity sensitive damping.
  • High pressure gas charged for consistent damping performance.
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Progressive Suspension 412-4068C Chrome 12

  • Steel double wall damper with multistage velocity sensitive damping.
  • High pressure gas charged for consistent damping performance.
  • Standard progressive rate spring in chrome finish.
  • The 412 Series proven, durable design means they will be an improvement to your motorcycle's suspension performance.
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Progressive Suspension 412-4002C Chrome 13

  • Steel double wall damper with multistage velocity sensitive damping.
  • High pressure gas charged for consistent damping performance.
  • Standard progressive rate spring in chrome finish.
  • The 412 Series proven, durable design means they will be an improvement to your motorcycle's suspension performance.
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Progressive Suspension 412-4008B Black 13

  • Steel double wall damper with multistage velocity sensitive damping.
  • High pressure gas charged for consistent damping performance.
  • Standard progressive rate spring in black finish.
  • The 412 Series proven, durable design means they will be an improvement to your motorcycle's suspension performance.
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Progressive Suspension 412-4036B Black 12\ Standard Replacement Rear Suspension Shock

  • Steel double wall damper with multistage velocity sensitive damping.
  • High pressure gas charged for consistent damping performance.
  • Standard progressive rate spring in black finish.
  • The 412 Series proven, durable design means they will be an improvement to your motorcycle's suspension performance.
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Progressive Suspension 412-4003B Black 13.5\ Heavy Duty Replacement Rear Suspension Shock

  • Steel double wall damper with multistage velocity sensitive damping.
  • High pressure gas charged for consistent damping performance.
  • Heavy duty progressive rate spring in black finish.
  • The 412 Series proven, durable design means they will be an improvement to your motorcycle's suspension performance.
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Belltech 15002 Coilover Kit, (Front Coilover Struts only, Fixed dampening, Pair)

  • Belltech's new coilovers use cutting edge motorsports technology that equals more performance on the road.
  • Heavy gold zinc galvanized 60mm strut housings for extreme corrosion resistance.
  • 22mm Hardened Chroma piston rods, aluminum spring seats and progressive rate polymer open cell foam bump stops with dust shields.
  • Tested adjustment ranges for maximum or customized suspension lowering.
  • OEM quality damper components for extra durability.
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