Main Bypass Pill EN7009-87 Product:.087" Crankshaft Pulley - Polished1-Groove Suit

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Main Bypass Pill EN7009-87 Product:.087" Crankshaft Pulley - Polished1-Groove SuitMain Bypass Pill. 087" EN7009 87 7009 87 The main bypass pill is used to set fuel volume and the nozzle jets control the pressure. Bypass pills have a 7 16" thread and the nozzle jets screw into the nozzle body.