Description Set of (8) 1.655″ / 5.070″ 351C/351M/400 OE exhaust valve size-Made in India Our Street Performance valves are made of a high grade stainless (21-2N) steel, for street and mild racing applications, manufactured to the same precision as our other series including swirl polished underheads and undercut stems. Packaged in matched sets of 8 per box. Swirl Polished Underheads Chrome-Plated Stems Wafer-Welded Tips Undercut Stems
