Simpson Racing Pro-Fit Base Layers - Long Sleeve TopMedium / Large - Black Legend 5 in - GM 10-Bolt

5 in - GM 10-Bolt 1982-98 - Kit

Coil-Over Adapter - 5 in OD Spring to 2-1/2 in Coil Over Kits - Bearing Style - Aluminum - Black Anodized - Each

00 in OD x 0

625 in Springs - 1 in Height - Polyurethane - Blue - Each

Simpson Racing Pro-Fit Base Layers - Long Sleeve TopMedium / Large - Black Legend 5 in - GM 10-BoltSFI 3. 3. The NEW Simpson Pro Fit Base Layers are our most comfortable and best fitting base layers. Constructed in Italy using the latest techniques, the Pro Fit provides superior softness and stretchability. The trusted Nomex material gives you an added layer of protection while maintaining breathability and comfort.