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Manley Race Series Gen II Custom Valves
Valves, Race Series Gen II Custom, 12 degree Dish, XH-426 Stainless Steel, 1.625 in. Head Diameter, 6.400 in. Length, Set of 8
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Estimated Ship Date: Dec 7, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
11261-8
Part Type:
Product Line:
Summit Racing Part Number:
MAN-11261-8
UPC:
807298045948
Valve Position:
Exhaust
Exhaust Valve Head Diameter (in.):
1.625 in.
Exhaust Valve Head Diameter (mm):
41.275mm
Exhaust Valve Stem Diameter (in.):
0.311 in.
Exhaust Valve Stem Diameter (mm):
7.90mm
Exhaust Overall Valve Length (in.):
6.400 in.
Exhaust Overall Valve Length (mm):
162.560mm
Undercut Stem:
No
Swirl-Polished:
No
Valve Material:
XH-426 stainless steel
Valve Head Style:
12 degree dish
Valve Seat Width (in.):
0.100 in.
Quantity:
Sold as a set of 8.
Manley Race Series Gen II Custom Valves
Do you have a boosted, high-heat, high-horsepower engine? Manley offers custom race valves for your high performance engine. These Race Series Gen II custom valves are manufactured from XH-426 (exhaust) and NK-842 (intake) materials with hard tips and hardened grooves. They are tailored to length, groove position, head diameter, margin, and other specifications that you request when ordering. So, whether you're building an engine or are a serious racer, Manley is committed to seeing that you're there at the finish.
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Some parts are not legal for use in California or other states with similar laws / regulations
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