Page 18 of Fuel Pumps by Holley Performance Products, Inc.

fuel pumps fuelpressureregul at o r s carburetor fuel pressure regulators 12-501 part psi 4 1/2 9 finish satin features · · · · · · 3/8 npt ports .220 7/32 restriction includes mounting bracket low pressure 1-4 psi high pressure 4-1/2-9 psi chrome finish 12-803b 12-804b 12-704b 1-4 psi satin features · · · · · regulates from 4-1/2 to 9 psi one 1/2 npt inlet and two 1/2 npt outlet ports .437 7/16 restriction includes mounting hardware and an style fittings alcohol compatible features · · · · · · · regulates from 4-1/2 to 9 psi one -8 inlet port and four -6 outlet ports .437 7/16 restriction aluminum billet body and top casting cover are hard coat anodized three fuel pressure gauge mounting options fuel pressure gauge not included includes mounting hardware and an style fittings compatible for use with methanol/alcohol 12-707b carburetor bypass style fuel pressure regulator part new fuel pumps features · · · · · · 3/8 npt ports 1 in 1 out 1 bypass or return used in systems with a return line back to the fuel tank quieter fuel pump operation designed only for carburetor use preset to 7psi adjustable from 4-1/2 to 9 psi 12-803bpb billet regulator bracket new features · red anodized billet construction · universal design fits holley and competitors 4150/4160 style carburetors · simplifies mounting holley fuel pressure regulators · included hardware makes installation easy 12-120 206 www.holley.com

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