Install the GlowShift oil pressure sending unit using Teflon tape. Install the oil feed line or any other sender at this time to the GlowShift sandwich plate. If no other accessories are being installed, install the provided plugs. [b]Important:[/b] Teflon tape must be used to stop potential leaks. Install the GlowShift oil sandwich plate where the oil filter mounts up. Do not over tighten or the gasket may tear. It should be a little more than hand-tight, similar to an oil filter.