8N6505A Pack of Four Exhaust Valve Qty 4 Fits Ford New Holland 2N 8N 9NSet of Four New Aftermarket Replacement Exhaust Valves Fits Ford New Holland 2N, 8N, 9N Tractors This listing includes a set of four aftermarket replacement exhaust valves for the Fits Ford (Fits New Holland) 2N, 8N, and 9N tractors. These valves are non free rotating and use a solid valve guide (guide 8BA6510B) and a single groove keeper lock (7HA6518). They seat at a 45 degree angle and are direct replacements for the original Fits Ford OEM exhaust