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ROUSH 427R Trak Pak Mustang Brakes and Suspension
ROUSH 427R Trak Pak Parts for Your S197 Mustang

By Jonathan Lamas, About.com

ROUSH Performance 6-piston brake calipers found on the 427R Trak Pak Mustang

Photo © ROUSH Performance
In January of 2008, ROUSH Performance announced that parts featured on the ROUSH 427R Trak Pak Mustang are available for purchase through the company. The 427R Trak Pak is a completely street legal performance Mustang which is capable of functioning as both a daily driver and a serious race car. Now, owners of existing S197 Mustangs can purchase performance parts found on this car through ROUSH Performance.

Trak Pak Adjustable Suspension

The Trak Pak suspension features adjustable rebound front and rear dampers which allow different settings to be utilized for street or racetrack driving. The front and rear ride height is adjustable up to 35 mm lower (1.4-inches), and there is the ability to dial in up to three degrees of negative camber. The kit comes with high tensile strength linear rate springs with tender coils and matching elastomer jounce bumpers. The suggested retail price is $2,499.99 (part number 403151).

Trak Pak Brakes

The 6-piston brake calipers are constructed from an aluminum forging which will give better feel under extreme braking conditions such as driving hard into a turn on a racetrack. Different piston sizes minimize pad taper for a longer pad life and a firmer brake pedal. The kit includes 14-inch two-piece slotted rotors and a larger brake pad than either OEM or the ROUSH 4-piston calipers which leads to lower pad temperatures and better pad life. The suggested retail price for the 6-piston brake kit is $3,697.99 (part number 403144).

The development and testing of both the ROUSH Trak Pak suspension and brake packages were done over the course of several months by logging thousands of miles on the street and at a variety of racetracks, such as Road America (Elkhart Lake, Wis.), Gingerman Raceway (South Haven, Mich.), and Hallett Motor Racing Circuit (Hallett, Okla.). For more information on either of these products, or the complete line of styling, handling and performance parts ROUSH offers for the Ford Mustang, visit www.ROUSHperformance.com.

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