Ferrea 6000 Series Competition 2.080" Intake Valve - SB Chevy - 11/32" Stem Diameter - 5.160" Length 20-OTL-NB-XL The larger plenum version #2890

The larger plenum version #2890 for 4500 Series carburetors has an increased intake runner area and is capable of 800+ hp operating in the 3

2005-2005 GMC Envoy XUV

03-07 Chrysler 5

1976-1977 Dodge Ramcharger

More positive steering feel

Ferrea 6000 Series Competition 2.080" Intake Valve - SB Chevy - 11/32" Stem Diameter - 5.160" Length 20-OTL-NB-XL The larger plenum version #2890The 6000 Series Competition Valves are designed to provide excellent reliability in an environment of high spring pressures and roller cams, at a budget price. They have higher fatigue resistance and tensile strengths than our competitor's best offerings. These valves can be used in Drag and Oval Track racing applications. To manufacture the valves, we use our exclusive two step slow forging process using EV8 stainless steel on both intake and exhaust