Simpson Racing Pro-Fit Base Layers - Long Sleeve TopMedium / Large - Black Legend Fitting - Y Block -

Fitting - Y Block - 10 AN Male Inlet - Dual 8 AN Male Outlets - Aluminum - Black Anodized - Each

813 in Thick - 6 x 6

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

5R-15 - Radial - C06 Compound - Lightweight - White Letter Sidewall - Each

Simpson Racing Pro-Fit Base Layers - Long Sleeve TopMedium / Large - Black Legend Fitting - Y Block -SFI 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.