Modification Question
Select this option if the car has any of the following: The car has non-stock torsion bars. The car has non-stock coil springs. The car has stock coil springs with the static open length modified. The car has coil springs that are a different spring rate than stock. Note that if you install a suspension 'system' similar to a Bilstein PSS9/10 or any other coilover set with non-stock adjustable spring perches, you must also declare item #67 for non-stock adj. coil spring platforms, and if the system has shock absorbers with more the one external adjustment you must also declare item #75b, as well as any other features included in the system as needed..

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