Holley 12-846 Regulator Kit G37 The preload shim is the

The preload shim is the standard 1

Stainless steel dual polished tips 4"

Increased horsepower and torque

This version retains the same features and specifications at a decreased cost vs the Deutsch Autosport versions we also sell

Holley 12-846 Regulator Kit G37 The preload shim is theHolley EFI Billet Bypass Style Fuel Pressure Regulator Kits are part of a complete line of fuel system products from Holley. The included 12 846 regulator features a billet aluminum body and a black finish for corrosion resistance and good looks. The regulator contains 8 AN in out ports, a 6 AN return port, a 1 8" NPT gauge port, and a 1 8" NPT vacuum port for Boost Reference (1: 1). In addition, 3 adapter fittings, a barbed fitting for the vacuum