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Holland: BH421SG3 BH421-SG-2 BH421SG5 BH421SG4 BH421-SG-4 BH421-AG4 BH421-464 BH421-AG3
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Orifice, #55 for lp.
Aftermarket was sg2-111-55, prod33200#55 we make this part, we use a #70 orifice and drill them out to the # 55 diameter. but we dont re-stamp with the new size. but the orifice is drilled out to the #55 diameter.
SG2-111-55, HGP811100, SG211155, B0D382NXFB