Championship Winning Suspension:   Grand Am - FIA Rally - Pirelli World Challenge

Camber/Alignment Shims

RSS Alignment Shims for 2-Piece Control Arms. Available in 1mm, 2mm, 3mm, 7mm, 10mm and 11mm sizes. Fits RSS Lower Control Arms, 2pc. GT3/GT4 OEM Lower Control Arms. (996, 997, GT4, 991)