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Positive Steering Response System PSRS
Positive Steering Response System (PSRS)The ALTA PSRS replaces the front control arms, rear rubber bushing with a solid type spherical bearing. Improving the handling characteristics of your MINI Cooper and enhancing your performance driving. |
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What Is The ALTA PSRSThe ALTA PSRS replaces the front control arm's rear rubber bushings with solid spherical bearings. The solid design of the PSRS will not allow any wheel deflection under heavy braking or acceleration, in turn your MINI's suspension geometry will not change making the vehicle handling more consistent and predictable.Under acceleration your MINI will have more front end traction and be more predictable in corners. Wheel hop will disappear and your MINI will feel more stable. Under braking steering feedback issues and wandering are eliminated! |
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OEM Bushings vs The PSRSThe OEM MINI bushings are made of soft rubber to reduce noise, vibration and harshness (NVH), and make the ride more comfortable, in turn this creates a large amount of wheel movement under braking, accelerating and cornering. For the performance minded MINI owner, this creates unwanted movement, suspension mis-alignment, and changes in handling characteristics of your MINI. The solid design of the PSRS eliminates suspension misalignment making your MINI handle consistently and predictably during all driving conditions including extreme driving. |
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Caster ExplainedCaster is the angle of the pivot line, an imaginary line that runs through the center of the upper ball joint and the center of the lower ball joint. In effect caster is the angle on which the steering knuckle rotates.MINI provides no factory adjustment of the caster angle. By offsetting the pivot point of the lower control arm, installers can now adjust the caster angle by rotating the PSRS prior to installation.» Jump to Wikipedia |
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Caster Changes and Their EffectsBy offsetting the center pivot of the ALTA PSRS allows the installer to add between 0 to 1.5 degrees of caster to the front suspension. Adding caster will give your MINI better directional stability when traveling in a straight line such as the highway or interstate and reduces it's tendency to wander. MINI's with wider aftermarket wheels and tires, will find they will no longer be as effected by uneven or rutted pavement.Excessive caster angles can make the steering feel heavier and less responsive, but in a MINI by adding a small amount of caster will have little to no effect on the amount of effort it takes to turn your steering wheel. All the while gaining you a tremendous improvement in handling as detailed above. |
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5 Year WarrantyALTA Performance warrants to the original purchaser, all ALTA products to be free from defects in material and workmanship within a sixty (60) months period from the date of purchase. *Some exclusions apply» Read Full Warranty |
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Off Road NoteNOTE: This item may be for off-road use only in your area. See Terms and Conditions prior to ordering!» Learn More |
Compatibility
| Cooper | 2002-2012 |
| Cooper S | 2002-2012 |
| Cooper Convertible | 2004-2012 |
| Cooper S Convertible | 2004-2012 |
| Cooper S JCW | 2004-2006 |
| Cooper S JCW | 2009-2012 |
| Coupe | 2012+ |
| Coupe S | 2012+ |
| Coupe Roadster | 2012+ |
| Coupe Roadster S | 2012+ |
| Countryman Cooper | 2011+ |
| Countryman Cooper S | 2011+ |
| Countryman Cooper S All 4 |
In The Box |
| (1) Set of ALTA Positive Steering Response System |
| Mounting Hardware |
| Stickers |
| Instructions |
| Warranty |