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Manley Severe Duty Series Gen II Custom Valves 11226-8
Part Number: MAN-11226-8
Manley Severe Duty Series Gen II Custom Valves
Valves, Intake, Stainless Steel, 2.200 in. Diameter, .274 in. Stem, 5.600 in. Length, Universal, Set of 8
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Estimated Ship Date: Dec 2, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
11226-8
Part Type:
Product Line:
Summit Racing Part Number:
MAN-11226-8
UPC:
807298047935
Valve Position:
Intake
Intake Valve Head Diameter (in.):
2.200 in.
Intake Valve Head Diameter (mm):
55.880 mm
Intake Valve Stem Diameter (in.):
0.274 in.
Intake Valve Stem Diameter (mm):
6.96mm
Intake Overall Valve Length (in.):
5.600 in.
Intake Overall Valve Length (mm):
142.200mm
Undercut Stem:
No
Swirl-Polished:
No
Valve Material:
NK-844 stainless steel
Valve Head Style:
5 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!
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