Competition Products Severe Application Competition Valves
Premium grade annealed 21-4N. Deep hard chrome plated stems. Hardened to 55 r.c. to withstand the toughest roller-tip punishment. Every valve made is hardness checked. Chrome plated, ground and polished to exact tolerances. Lowest possible weight without sacrificing strength. Ultimate tensile strength, 75,400 p.s.i. at 1,382°F. Yield strength 46,500 p.s.i at 1,382°F. Valves have a slight undercut (.020"-.040"). Computer designed for severe applications.
Designed for Severe Competition Use
One Piece 21-4N Stainless Steel Forging
Deep Hard Chrome Stems
Undercut for Increased Flow
Hard tips
Swirl polished
Fully Machined
Part Type: Intake Valves
Style: Competition Products Severe Application Competion Valves
Application: Chevrolet Big Block V8
Head Diameter: 2.300"
Stem Diameter: 11/32" (.3415")
Installed Height: +.100
Overall Length: 5.344"
Material: 21-4N Stainless Steel Material
1-Piece Design: Yes
Hard Chrome Stems: Yes
Undercut Stem: No
Black Nitrided: No
Swirl Polished: Yes
Lock Groove Type: Conventional
Lock Groove Quantity: Single
Tip Length: .250"
Under Head Angle: 12 Degrees
Under Head Radius: .375"
Margin: .065"
Seat Width: .100"
Top of Head: 7 Degree Dish
Weight: 95 grams
Manufacturer: Competition Products
Manufacturer's Part Number: CMP23011
Weight: 0.25 lbs.
Warranty: Race Application, No warranty expressed or implied.
Quantity: Sold as Each |