Dynamic flow and rock steady pressure make this regulator perfect for naturally aspirated or carbureted blow-through applications. The A2000 Bypass Regulator provides unmatched boost reference and high flow capacity. Compatible with any high volume electric or mechanical fuel pump. Adjustable from 2-20 PSI. Bypass design provides the ultimate, dynamic fuel delivery s ystem. (requires AN-10 return line). Fuel pressure rises on a 1:1 ratio when referencing boost. ORB-10 inlet and return ports. P/N 13212 provides (1) ORB-10 outlet port. P/N 13212 available with fuel log P/N 14201 or 14202, fittings and gauge as P/N 17248 or 17250. 2-Port Bypass Carb Reg. 2-port fuel pressure regulator; adjustable from 2-20 PSI; multiple inlet and outlet ports of multiple sizes