75 in Square
Advanced phenolic compounds are specially formulated to reduce heat conductivity 10 times greater than aluminum
They have extra deep valve pockets and a low-friction skirt design
Each end is precision formed with specified radius for optimum wear characteristics with minimal metal-to-metal friction
Bulge Style Cone Seat lug nuts have an extended seating surface that is designed to match the wider seating surface used on some aluminum wheels
Holley Street Avenger Model 4150 870 CFM 4-Barrel Carburetor - Square Bore - Electric Choke - Vacuum Secondary - Dual Inlet - Silver Tools & Supplies 75 in SquareHolley Street Avenger Carburetor 0 80870 4 bbl 870 CFM Vacuum Secondary Automatic Choke Adjustable Vacuum Secondary 4th Generation Power Valve Fuel Metering System Built In Secondary Fuel Filters External Float Adjustable w Sight Plug On Vehicle Electric Choke 4 Vacuum Ports Street Ready; Out Of The Box Applications include: Bel Air, Biscayne, Blazer, Blazer K5, C10 Pickup, C10 Suburban, C15 Pickup, C15 Suburban, C15 C1500 Pickup, C15 C1500 Suburban,