Raceworks Hose and Fittings are designed to withstand the most extreme performance applications, while looking simple and professional in any engine bay. All Raceworks 100, 200 and 400 series hose is compatible with E85, methanol, automotive oils, and coolants. Exact specifications and burst pressures are listed under each series. All Raceworks fittings and adapters are full flow, hardcoat anodised, and machined from high grade 6061 T6 billet aluminium.