Boundary 89-05 Ford/Mazda BP (All Types) I4 Shim Kit (7/14/21/28/35 PSI) w/Retaining Pin 1975-chevrolet-k10-esi5834287 Choose this option for installations

Choose this option for installations using stainless steel piping and which require reduced sensor heat soak and exposure to exhaust gasses for the purposes of reducing fouling potential from contaminants

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four hi-tech industrial Eibach lowering springs and together you have the best handling

Available in four bore sizes from

2007-2009 Audi S8 Base

Boundary 89-05 Ford/Mazda BP (All Types) I4 Shim Kit (7/14/21/28/35 PSI) w/Retaining Pin 1975-chevrolet-k10-esi5834287 Choose this option for installationsBoundary 89 05 Ford Mazda BP (All Types) I4 Shim Kit (7 14 21 28 35 PSI) w Retaining Pin