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Manley Race Series Stainless Steel Valves
Valves, Exhaust, Stainless Steel, 1.810 in. Diameter, .372 in. Stem, 4.908 in. Length, Mopar, Set of 8
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Estimated Ship Date: Oct 21, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
11891-8
Part Type:
Product Line:
Summit Racing Part Number:
MAN-11891-8
UPC:
807298054896
Valve Position:
Exhaust
Exhaust Valve Head Diameter (in.):
1.810 in.
Exhaust Valve Head Diameter (mm):
45.974mm
Exhaust Valve Stem Diameter (in.):
0.372 in.
Exhaust Valve Stem Diameter (mm):
9.50mm
Exhaust Overall Valve Length (in.):
4.908 in.
Exhaust Overall Valve Length (mm):
124.663mm
Undercut Stem:
Yes
Swirl-Polished:
Yes
Valve Tip Length (in.):
0.275 in.
Valve Tip Length (mm):
6.990mm
Valve Material:
XH-426 stainless steel
Lock Groove Quantity:
1-groove
Lock Groove Style:
Conventional
Approximate Weight (g):
121
Valve Head Style:
5 degree dish
Valve Seat Width (in.):
0.100 in.
Quantity:
Sold as a set of 8.
Manley Race Series Stainless Steel Valves
Manley Race series performance valves are a great choice for your bracket, oval track, or high performance street engine. All valves are made from stainless steel (intakes are NK-842; exhausts are XH-426) with chrome stems and hardened valve tips. In addition to being made from high-quality materials, Race series valves are swirl polished and fully machined.
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