Quick view 1988 Pontiac 6000 3.1L Intake Valve IV3130ZE61 1988 Pontiac 6000 3.1L Intake Valve Engine Parts # IV3130ZE61 Fits: [1987-1994] GM [Nitride Coated; 1 Groove; 43.6mm Head Dia.; 7.98mm Stem Dia.; 119.5mm O.A.L.] / V6 / 2.8L, 3.1L / 173, 191 OHV... MSRP: Was: Now: $6.97 Choose Options