235 lb/in rear spring rates
IN-TANK BLACK BOX SURGE TANK KITS WITH FUEL PUMPS
this manifold has a balanced 180 ° firing order port runner arrangement
Compact enough to be used on already installed tubing
Works well with stock manifolds
Ferrea Competition Plus Intake Valve - SB Chevy - 2.020", 11/32" Stem Diameter, 4.960" Overall Length - (Set of 8) 110007 235 lb/in rear spring ratesFerrea Competition Plus Valves have built a reputation as the industry's most reliable extreme duty valve. We, at Ferrea, are dedicated to providing the absolute best product on the market. Our extensive R & D programs provide tehcnological gains, which are implemented in each of our competiton plus valves. They are engineered for higt rpm, high horsepower racing engines, and are chose by many top NASCAR, Drag, and Oval & Sprint Car racing teams. To