Holley EFI - Two Port Adjustable 40 to 100 PSI Boost Reference 1:1 05 in Oval Port -

05 in Oval Port - Composite - Big Block Chevy - Kit

063 in Thick - Composite - Primary / Secondary - Holley 4150 / 4160 Carburetors - Set of 100

Hose - AC Refrigerant - 8 AN - 9 ft - Braided Stainless / Nylon - Natural - Each

The ratcheting mechanism is cranked by hand with the included 1/4" ratchet handle

Spark Plug - NGK Laser Iridium - 14 mm Thread - 0

Holley EFI - Two Port Adjustable 40 to 100 PSI Boost Reference 1:1 05 in Oval Port -The Holley VR Series billet fuel pressure regulators are part of the VR1 and VR2 Series brushless fuel pump systems product line. These regulators can support 3000+ horsepower engines that require high volumes of fuel flow. Both EFI and carbureted versions can be referenced on a 1: 1 ratio. They are precision machined from 6061 T6 billet aluminum for strength and durability and feature a black bright dip anodized body and a clear bright dip anodized