Manley Severe Duty Series Stainless Steel Valves 12338-8

Name: Manley Severe Duty Series Stainless Steel Valves
Brand: Manley
SKU: MAN-12338-8
Price: 311.48 USD
Availability: InStock
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Part Number: MAN-12338-8

$311.48

Manley Severe Duty Series Stainless Steel Valves

Valve, Intake, Stainless Steel, 2.100 in. Head, 0.314 in. Stem, 5.030 in. Length, Chevy, Set of 8
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Manley Severe Duty Series Stainless Steel Valves 12338-8

MAN-12338-8

Not Yet Reviewed

Part Number: MAN-12338-8

Estimated Ship Date: Oct 26, 2026

$311.48

Overview

Applications

Q&A

Estimated Ship Date: Oct 26, 2026 Would you rather pick it up?

Overview

Brand:

Manley

Manufacturer's Part Number:

12338-8

Part Type:

Valves

Product Line:

Manley Severe Duty Series Stainless Steel Valves

Summit Racing Part Number:

MAN-12338-8

UPC:

807298082004

Valve Position:

Intake

Intake Valve Head Diameter (in.):

2.100 in.

Intake Valve Head Diameter (mm):

53.340 mm

Intake Valve Stem Diameter (in.):

0.314 in.

Intake Valve Stem Diameter (mm):

7.97mm

Intake Overall Valve Length (in.):

5.030 in.

Intake Overall Valve Length (mm):

127.762mm

Undercut Stem:

Yes

Swirl-Polished:

Yes

Valve Tip Length (in.):

0.260 in.

Valve Tip Length (mm):

6.600mm

Valve Material:

Stainless steel

Lock Groove Quantity:

1-groove

Lock Groove Style:

Conventional

Valve Head Style:

7 degree dish

Quantity:

Sold as a set of 8.

Manley Severe Duty Series Stainless Steel Valves

Manley Severe Duty series performance 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 made of superior materials, are fully machined and swirl polished, and are available with either undercut "Pro Flo" stems or straight stems.

Applications