Howards Cams Extreme Black Severe Application Valves 20511N

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Part Number: HRS-20511N

$19.99

Valve, Intake, Stainless Steel, 2.055 in. Diameter, .341 in. Stem, 5.000 in. Length, Chevy, Each
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Howards Cams Extreme Black Severe Application Valves 20511N

Howards Cams Extreme Black Severe Application Valves 20511N

HRS-20511N

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Part Number: HRS-20511N

Estimated Ship Date from Texas: Tomorrow

$19.99

Estimated Ship Date from Texas: Tomorrow Would you rather pick it up?

Overview

Brand:
Manufacturer's Part Number:
20511N
Part Type:
Product Line:
Summit Racing Part Number:
HRS-20511N
UPC:
840793109111
Valve Position:
Intake
Intake Valve Head Diameter (in.):
2.055 in.
Intake Valve Head Diameter (mm):
52.197 mm
Intake Valve Stem Diameter (in.):
0.341 in.
Intake Valve Stem Diameter (mm):
8.66mm
Intake Overall Valve Length (in.):
5.000 in.
Intake Overall Valve Length (mm):
127.000mm
Undercut Stem:
No
Swirl-Polished:
No
Valve Tip Length (in.):
0.250 in.
Valve Tip Length (mm):
6.350mm
Valve Material:
21-4N stainless steel
Lock Groove Quantity:
1-groove
Lock Groove Style:
Conventional
Valve Head Style:
7 degree dish
Quantity:
Sold individually.

Howards Cams Extreme Black Severe Application Valves

These Extreme Black Severe Application valves by Howards Cams are engineered for high-rpm and high-horsepower applications. They feature a gloss black nitride finish and are perfect for high temperatures (they run cooler, which improves valve life), nitrous, turbo, and supercharger applications. These valves will give naturally aspirated motors a much greater cylinder flow for good horsepower gains. These valves start off as a one-piece forged high-temperature, high-nickel, stainless steel alloy. They're CNC-finished to strict tolerances, making them the choice for the most demanding race classes. Their black nitride micro-hardness is higher than the stainless steel base material. No process can match it for surface hardness! The surface finish is smoother than with chromed stems, having less friction between the stem and the guide. The black nitride reduces power loss due to there being less valve-guide friction. Their nitride finish is not a coating--it's a process whereby it actually becomes part of the steel, making them ideal for the most demanding applications.

Applications

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