SB Chevrolet Pro-Series PRO195 195cc Aluminum Cylinder Heads. Fits 4.00" and larger bore. 2.08" intake, 1.60" exhaust, 65cc combustion chambers. 8mm guides, .100" raised exhaust ports, 1.46" spring pockets, 3/4" thick deck. Designed for ULTIMATE flow. Manufactured from A356-T6 aluminum. Each head comes with a detailed flow sheet. Ready for assembly and sold as pairs. Download Data here -
DOWNLOAD Download Installation Tech here - DOWNLOAD Check piston to valve clearance in all applications.