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Manley Race Master Valves for 1992-2010 VIPER - 11647-10
Part Number: MAN-11647-10
Valve, Dodge Viper exhaust, 1.600 +.200 Race Master, set of 10
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Estimated Ship Date: Oct 26, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
11647-10
Part Type:
Product Line:
Summit Racing Part Number:
MAN-11647-10
UPC:
807298018010
Valve Position:
Exhaust
Exhaust Valve Head Diameter (in.):
1.600 in.
Exhaust Valve Head Diameter (mm):
40.640mm
Exhaust Valve Stem Diameter (in.):
0.311 in.
Exhaust Valve Stem Diameter (mm):
7.89mm
Exhaust Overall Valve Length (in.):
5.970in.
Exhaust Overall Valve Length (mm):
151.638mm
Undercut Stem:
No
Swirl-Polished:
Yes
Valve Tip Length (in.):
0.110 in.
Valve Tip Length (mm):
2.790mm
Valve Material:
XH-426 stainless steel
Lock Groove Quantity:
1-groove
Lock Groove Style:
Conventional
Approximate Weight (g):
104
Valve Head Style:
12 degree dish
Valve Seat Width (in.):
0.100 in.
Quantity:
Sold as a set of 10.
Manley Race Master Valves
Manley Race Master valves are designed and engineered to withstand the abuse of the track. Race Master valves are targeted by the bracket, drag, and oval track racers, or even those with modified street engines that are operating at engine speeds below 8,000 rpm. These valves are constructed from XH-426 material for the exhaust and NK-842 for the intake valves, making them the strongest valves in their class. Whether everything is on the line at the track, or you just enjoy your high performance car or motorcycle on the street, trust Race Master valves by Manley to keep you on the move. Order the model designed for your vehicle year/make and engine application.
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Some parts are not legal for use in California or other states with similar laws / regulations
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