Manley Severe Duty Pro Flo Series Stainless Steel Valves 12330-1

Name: Manley Severe Duty Pro Flo Series Stainless Steel Valves
Brand: Manley
SKU: MAN-12330-1
Price: 25.32 USD
Availability: InStock
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Part Number: MAN-12330-1

$25.32

Manley Severe Duty Pro Flo Series Stainless Steel Valves

Valves, Intake, Stainless Steel, 2.140 in. Diameter, .312 in. Stem, 5.135 in. Length, Each
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Manley Severe Duty Pro Flo Series Stainless Steel Valves 12330-1

MAN-12330-1

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Part Number: MAN-12330-1

Estimated Ship Date from OH, NV, TX: Monday 10/19/2026

$25.32

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Overview

Applications

Q&A

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Overview

Brand:

Manley

Manufacturer's Part Number:

12330-1

Part Type:

Valves

Product Line:

Manley Severe Duty Pro Flo Series Stainless Steel Valves

Summit Racing Part Number:

MAN-12330-1

UPC:

807298079233

Valve Position:

Intake

Intake Valve Head Diameter (in.):

2.140 in.

Intake Valve Head Diameter (mm):

54.356 mm

Intake Valve Stem Diameter (in.):

0.312 in.

Intake Valve Stem Diameter (mm):

7.92mm

Intake Overall Valve Length (in.):

5.135 in.

Intake Overall Valve Length (mm):

130.429mm

Undercut Stem:

Swirl-Polished:

Yes

Valve Tip Length (in.):

0.120 in.

Valve Tip Length (mm):

3.048mm

Valve Material:

NK-842 stainless steel

Lock Groove Quantity:

3-groove

Lock Groove Style:

Conventional

Approximate Weight (g):

127

Valve Seat Width (in.):

0.080 in.

Quantity:

Sold individually.

Notes:

Features back cut of 0.055 in. x 30 degree.

Manley Severe Duty Pro Flo Series Stainless Steel Valves

Manley Severe Duty Pro Flo Series intake and exhaust valves are a great choice for your high performance or race engine. All valves are made from stainless steel (intakes are NK-844; exhausts are XH-428) with chrome stems and hardened valve tips. Severe Duty series valves are fully machined and swirl polished, and offer improved flow with undercut "Pro Flo" stems. Many size options are available, for applications from 1955 and up.

Applications