Yeah like they guy above said, just make sure they are grease and oil free. Dirt won't really matter since they get dirty as soon as you drive.
ATX MTX swap, rear drum disc swap, drilled rotors, ported intake, optim throttle body, CAI, 7.5L MAF, adj. fuel regulator, longtube headers, underdrive pulley, no EGR, low inpedence bigger injectors, 2002 Focus Swap
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