Holley Standard Main Jets . Size 63 # HO122-63 Rate_10 460-ALTBRKT-C and 460 Serpentine Kits460H

460-ALTBRKT-C and 460 Serpentine Kits460H Option Use with High Mount Bracket 406-ALTBRKT289

The high-flow idle air control passages are great for large cu

For Hydraulic flat tappet camshafts

1968-69 351w ideal to prevent overheating in street rods and street machines

Made from strong PVC foam and reinforced with nylon mesh

Holley Standard Main Jets . Size 63 # HO122-63 Rate_10 460-ALTBRKT-C and 460 Serpentine Kits460HHolley Standard Main Jets . Size 63 # HO122 63 BRAND NEW GENUINE HOLLEY STANDARD MAIN JETS. SALE IS FOR A PACKET OF 2 JETS. Fine tune your carburetor for street or race conditions. These Holley standard main jets are just what you need to fine tune your carburetor for street or race. Threaded for easy installation and removal, Holley jets are manufactured to high tolerances for consistency.