Holley Adjustable Billet By-Pass Regulator 4-65 PSI - 3/8" NPT G37 Coupe KS Tuned HAS ALWAYS and

KS Tuned HAS ALWAYS and WILL ALWAYS support the H-series and F-series platforms

Faster response time improves wideband feedback control

Fits Snell 2005 and older helmets only (these will not fit the Snell 2010 or newer helmets)

potentially causing serious engine damage or failure

True one-piece molded silicone design

Holley Adjustable Billet By-Pass Regulator 4-65 PSI - 3/8" NPT G37 Coupe KS Tuned HAS ALWAYS andHolley Billet Fuel Pressure Regulators are part of a complete line of fuel system products from Holley. They are precision machined from 6061 T6 billet aluminum for strength and durability. These regulators are adjustable from 4 65 psi and will handle both carbureted and EFI applications. A second pressure spring is included allowing you to increase the fuel pressure range up to 65 psi for EFI systems. They are offered with two port sizes, 3 8" NPT or