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Manley Severe Duty Series Stainless Steel Valves 11553-8
Part Number: MAN-11553-8
Manley Severe Duty Series Stainless Steel Valves
Valves, Exhaust, XH-428 Stainless Steel, 1.720 in. Diameter, .372 in. Stem, 5.354 in. Length, Set of 8
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Overview
Brand:
Manufacturer's Part Number:
11553-8
Part Type:
Product Line:
Summit Racing Part Number:
MAN-11553-8
UPC:
807298050126
Valve Position:
Exhaust
Exhaust Valve Head Diameter (in.):
1.720 in.
Exhaust Valve Head Diameter (mm):
43.688mm
Exhaust Valve Stem Diameter (in.):
0.372 in.
Exhaust Valve Stem Diameter (mm):
9.44mm
Exhaust Overall Valve Length (in.):
5.354 in.
Exhaust Overall Valve Length (mm):
135.992mm
Undercut Stem:
No
Swirl-Polished:
Yes
Valve Tip Length (in.):
0.220 in.
Valve Tip Length (mm):
5.588mm
Valve Material:
XH-428 stainless steel
Lock Groove Quantity:
1-groove
Lock Groove Style:
Conventional
Approximate Weight (g):
122
Valve Head Style:
6 degree dish
Valve Seat Width (in.):
0.100 in.
Quantity:
Sold as a set of 8.
Notes:
Underhead angle/radius 10 x .375 in. Margin 0.065 in.
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.
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