Magnum parallel radius rod kits offer outstanding performance and great looks using the highest quality materials and components. We offer a large selection of finishes and options to suit your application and build style perfectly. Our plain steel kit parallel radius rod kits include your choice of plain steel fabricated or unpolished stainless steel batwings and unpolished stainless adjusters. Our chrome and stainless steel parallel radius rod kits are supplied with either chrome or polished stainless batwings and polished stainless adjusters. All kits fit axles with a 2 1/4” thick perch boss.