GVL Poly is excited to announce the introduction of center poly units for 30" JD 600 series corn headers. Mix and match with existing JD poly. Installation is easy: simply unbolt the JD poly from the brackets and bolt in GVL's poly. Call 1-888-485-8411 option to order! Features and benefits include: Use existing JD brackets for installation Completely interchangeable making replacing easy: GVL snout fits Read More