Replaceable Air Bleed - Size 40 - 126-40-10 automotive-parts-and-accessories This American Thunder exhaust system

This American Thunder exhaust system was specially designed for 1973-1974 Chevrolet and GMC C10 and C15 1/2 ton and 3/4 ton 2wd trucks and is perfect for the person looking for moderate to aggressive interior and exterior sound levels

Stainless - RPC6611SS

and reducing octane lowering oil vapors and airflow restricting carbon buildup

Intake Pipe Outlet Width: 3

Barrels 4 Billet Color Shiny with Red Billet Booster Annular Billet Insert Brand Holley Carburetor Use Professional Race CFM 1050 Choke None Circuit 3 Condition New Emission Code 4 Finish Shiny Fuel Gasoline Fuel Inlet Dual High Speed Air Bleed 40 Idle Air Bleed Size 53 Intermediate Air Bleed 63 Marine Use No Material Aluminum Model 4500 Needle and Seat Size 120

Replaceable Air Bleed - Size 40 - 126-40-10 automotive-parts-and-accessories This American Thunder exhaust systemOverview: Air bleeds for the idle, intermediate and high speed circuits. 40=Jet Size Features: 40=Jet Size 10 Per Package #10 32 UNF Tread Size Sizes from 23 78 Application: Year Make Model Submodel Engine Size Universal Specs: Brand Holley Emission Code 5 Product Type Air Bleed Warning California Proposition 65 Warranty Limited 90 Day