HVH - High Velocity Heads 4150 Carb to 4500 Intake Flange Adapter 1.5" 71000915 Holley raised the bar again

Holley raised the bar again with the introduction of the VR1 and VR2 Brushless in-line fuel pumps

When racing

Dual Magnetic Pickup

300 in taller

Jeep LJ / MJ / TJ / XJ / ZJ 1984-2006

HVH - High Velocity Heads 4150 Carb to 4500 Intake Flange Adapter 1.5" 71000915 Holley raised the bar againProduct Description: Carburetor Adapter 1. 5 in Thick 4 Hole Square Bore to Spread Bore Aluminum Polished Sold Individually High Velocity Heads has been porting high performance cylinder heads and intake manifolds since 1970. HVH has over thirty years of head porting, head design, intake porting and intake design along with carburetor spacer design experience. HVH Super Sucker carburetor spacers are the most effective carburetor spacers ever developed.