Ferrea Competition Plus Valve Stainless Intake 2.150" Head 11/32" Valve Stem 5.450" Long - Small Block Chevy - Set of 8 121008 You will also note that

You will also note that ARP offers specially undercut studs for several engines

4 approved

3200 rpm governor spring extends engine rev range by 700 rpm

Tension springs and release pull tabs are used on adjusters for security and ease of use

Ferrea Competition Plus Valve Stainless Intake 2.150" Head 11/32" Valve Stem 5.450" Long - Small Block Chevy - Set of 8 121008 You will also note thatProduct Description: Intake Valve Competition Plus 2. 150 in Head 11 32 in Valve Stem 5. 450 in Long Stainless Small Block Chevy Set of 8 Ferrea Racing Components are engineered to excellence! For decades, Ferrea Racing Components has been manufacturing hard core racing components for various types of engines in a wide range of categories worldwide. Ferrea uses the latest technological advances gained through the development of engine valve programs