Fits: Holley, 4150, 3/8 in. Hose Barb Inlet
Fits: Holley, 4160, 4-Barrel, 3/8 in. Hose Barb Inlet
Fits: Holley, Dual Feed, 8.656 in. Center to Center, 3/8 in. Hose Barb Inlet, 0-15 psi Gauge
Fits: Chrome/Red-Blue Anodized, Gauge Port, Holley, 4150/4160, Dual Feed