Intake Valve 5.7L 1993 GMC C2500 Suburban - IV3125B.269 Intake Valve. Fits: 63-95 Chevrolet, GMC 4.1L-5.7L V8, L6 OHV, U/K Naturally AspiratedFitment Notes: Nitride Coated, 2 Groove, 43.8mm Head Dia., 8.7mm Stem Dia., 124.6mm O.A.L., Intake, [43.7mm...