1989 Chevrolet R3500 7.4L Exhaust Valve

DNJ Exhaust Valve

Engine Details: VIN S 16V OHV

Notes: Nitride Coated; 1 Groove; 43.7mm Head Dia., 9.4mm Stem Dia., 136mm O.A.L.; Exhaust, [1.720" Head Dia]

Buyers Guide: [1980-2000] GM [Nitride Coated; 1 Groove; 43.7mm Head Dia., 9.4mm Stem Dia., 136mm O.A.L.] / V8 / 7.4L / 454 OHV 16V

Part Warranty: 12 month or 12,000 mile warranty whichever comes first. Warranty must be requested by the original purchaser and is limited to the replacement of the alleged defective part(s) only.