Exhaust ValveExhaust Valve; 1.54 in. Head Dia.; .383 in. Tip Length; 5.078 in. Total Length; Premium Stainless Steel; Swirl Polished;FEATURES:Stainless SteelWinning race cars and performance parts, from the company that brought you Blue Bloods like the BOSS 302 and Cobra Jet Mustangs. With a heritage of champions, we stand alone, offering all the race-proven parts to build your own. Our parts carry the Ford Racing pedigree. You can use them with confidence to build your own blue-blood Ford performance car. Ford racing products are designed, engineered and developed to rigorous Ford standards. From race cars to ring gears, Ford Racing delivers proven performers for performance enthusiasts.