Insulators & O-rings = 2 different things Insulator (1 per injector) part# 16635-10V10 US$2.80ea O ring upper (1 per injector) part#16618-10V05 US$1.18ea O ring lower (1 per injector) part#16618-10V00 US$2.22ea Part no.s via FAST & prices from Coz, (subject to checking year model/VIN)
Re: Insulators & O-rings = 2 different things A quick count looks like 60 o-ring's of each. Compared them with the images from Z1 and they may be the right thing but there is defiently too many.