Manley Severe Duty Series Gen II Custom Valves 11252-8

Name: Manley Severe Duty Series Gen II Custom Valves
Brand: Manley
SKU: MAN-11252-8
Price: 484.40 USD
Availability: OutOfStock
Rating: 0 (0 reviews)

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Part Number: MAN-11252-8

$484.40

Manley Severe Duty Series Gen II Custom Valves

Valves, Intake, Stainless Steel, 2.300 in. Diameter, .372 in. Stem, 5.600 in. Length, Set of 8
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Manley Severe Duty Series Gen II Custom Valves 11252-8

MAN-11252-8

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Part Number: MAN-11252-8

Estimated Ship Date: Apr 20, 2026

$484.40

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Overview

Brand:

Manley

Manufacturer's Part Number:

11252-8

Part Type:

Valves

Product Line:

Manley Severe Duty Series Gen II Custom Valves

Summit Racing Part Number:

MAN-11252-8

UPC:

807298063508

Valve Position:

Intake

Intake Valve Head Diameter (in.):

2.300 in.

Intake Valve Head Diameter (mm):

58.420mm

Intake Valve Stem Diameter (in.):

0.372 in.

Intake Valve Stem Diameter (mm):

9.50mm

Intake Overall Valve Length (in.):

5.600 in.

Intake Overall Valve Length (mm):

142.200mm

Undercut Stem:

Yes

Swirl-Polished:

Yes

Valve Material:

NK-844 stainless steel

Valve Head Style:

7 degree dish

Valve Seat Width (in.):

0.080 in.

Quantity:

Sold as a set of 8.

Manley Severe Duty Series Gen II Custom Valves

These Severe Duty Gen II custom valves with unmatched strength and superiority are the only valves of their kind. Exhaust material XH-428 and intake material NK-844 are paired together for ultimate dominance over all others. With four times the tensile strength of competitors' intake valves and supremely better fatigue life, Manley Severe Duty Gen II custom valves truly show their commitment to seeing that you're there at the finish. You decide the head diameter and seat and margin widths, as well as valve length, groove type, and location for the perfect custom setup!