Outlaw Racing RadiatorsOutlaw Racing radiators meet or exceed OEM specs, constructed of 6063 aluminum alloy with high quality TIG welds on all tanks, connections, seams and brackets. No modifications are necessary for installation. Sold separately as left, right (as seated on bike) or in sets. Available in standard or oversize (20-30% higher capacity). It comes complete with a radiator cap of O.E.M. specification (15.7 PSI)… Higher pressure caps (19,20 and 23 PSI) can be purchased separately.