Howards Cams Extreme Black Severe Application Valves 19401N

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Part Number: HRS-19401N

$19.99

Valve, Intake, 1.940 in. Head Diameter, 8.73mm Stem Diameter, 4.911 in. Overall Length, Chevy, Small Block, Each
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Howards Cams Extreme Black Severe Application Valves 19401N

Howards Cams Extreme Black Severe Application Valves 19401N

HRS-19401N

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Part Number: HRS-19401N

Estimated Ship Date from Texas: Monday 10/26/2026

$19.99

Estimated Ship Date from Texas: Monday 10/26/2026 Would you rather pick it up?

Overview

Brand:
Manufacturer's Part Number:
19401N
Part Type:
Product Line:
Summit Racing Part Number:
HRS-19401N
UPC:
840793108923
Valve Position:
Intake
Intake Valve Head Diameter (in.):
1.940 in.
Intake Valve Head Diameter (mm):
49.276 mm
Intake Valve Stem Diameter (in.):
0.344 in.
Intake Valve Stem Diameter (mm):
8.73mm
Intake Overall Valve Length (in.):
4.911 in.
Intake Overall Valve Length (mm):
124.739mm
Undercut Stem:
Yes
Swirl-Polished:
No
Valve Tip Length (in.):
0.250 in.
Valve Tip Length (mm):
6.350mm
Valve Material:
Stainless steel
Lock Groove Quantity:
1-groove
Lock Groove Style:
Conventional
Valve Head Style:
6 degree dish
Valve Seat Width (in.):
0.100 in.
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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