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Manley All-PTFE Valve Stem Seals
Valve Stem Seals, SEALS-3/8 STEM
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Estimated Ship Date: Apr 3, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
24039-1
Part Type:
Product Line:
Summit Racing Part Number:
MAN-24039-1
UPC:
807298065366
Valve Stem Diameter (in.):
0.375 in.
Valve Stem Diameter (mm):
9.53mm
Valve Stem Seal Type:
Positive stop
Valve Stem Seal Material:
PTFE
Machine Work Required:
No
Valve Guide Diameter (in.):
0.500 in.
Quantity:
Sold individually.
Notes:
Requires machining the top of the valve guide with a special .500 in. diameter cutter.
Manley All-PTFE Valve Stem Seals
Manley high performance all-PTFE valve stem seals wipe excess oil from the valve stem by means of a unique, spring-loaded wiper assembly, providing maximum valve stem oil control. These seals are a definite must! They stop unwanted oil from reaching and contaminating the cylinder and are available to fit different applications. So, whether you are planning an engine overhaul or a cam change--don't forget the valve stem seals!
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Some parts are not legal for use in California or other states with similar laws / regulations
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