When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
So I’m rebuilding a 99 sti ra I’m having to refit the brake lines in the engine bay,I’m just looking for a bit of help with connecting the master cylinder to the nabco proportioning valve then to the abs but I’m unsure of which ports in the proportioning valve are inputs and which are outputs there is no markings on it
nabco proportioning valve
