Description
GM [Nitride Coated; 1 Groove; 43.7mm Head Dia., 9.4mm Stem Dia., 137mm O.A.L.] / V8 / 8.1L / 496 OHV 16V [(VORTEC)]

Exhaust Valve
GM [Nitride Coated; 1 Groove; 43.7mm Head Dia., 9.4mm Stem Dia., 137mm O.A.L.] / V8 / 8.1L / 496 OHV 16V [(VORTEC)]
| Weight | 0.4 oz |
|---|
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