Description
Holley Dominator Billet Fuel Pressure Regulator 4.5 9 PSI 359603 3L) Chevy V6s WEI7155 3L) Chevy V6s 5:1 compression with stock pistons in 350 cubic inch engines Designed for use with the Holley Dominator in line fuel pumps or other high pressure pumps where return line is needed 1 8 in NPT Port