This is our new billet cylinder head oil feed kit for the aircooled gsx1100 80 to 88 ex/et/sz/esd/ez/efe etc. we have redesigned it to allow the use of the oem oil pressure switch,unlike the older 'ward' and ape style kits, which do not allow this The kits are complete with genuine earls fittings and dash 4 earls autoflex stainless hoses.