Ford Performance Parts Valve Stem Seals M-6571-A50

4 out of 5 stars ( 8 )

Part Number: FMS-M-6571-A50

$34.99

Valve Stem Seals, Nylon, Positive Stop, 11/32 in. Valve Stem, Set of 16
See More Specifications | Check the Fit

Ford Performance Parts Valve Stem Seals M-6571-A50

Ford Performance Parts Valve Stem Seals M-6571-A50

FMS-M-6571-A50

4 out of 5 stars ( 8 )

Part Number: FMS-M-6571-A50

Estimated Ship Date: Monday 11/2/2026

$34.99

Estimated Ship Date: Monday 11/2/2026 Would you rather pick it up?

Overview

Brand:
Manufacturer's Part Number:
M-6571-A50
Part Type:
Product Line:
Summit Racing Part Number:
FMS-M-6571-A50
UPC:
756122657126
Valve Stem Diameter (in.):
0.344 in.
Valve Stem Diameter (mm):
8.74mm
Valve Stem Seal Type:
Positive stop
Valve Stem Seal Material:
Nylon
Machine Work Required:
Yes
Quantity:
Sold as a set of 16.
Notes:
Fits GT-40 cylinder heads. Fits most production 0.550 in.-0.570 in. diameter guides.

Ford Performance Parts Valve Stem Seals

Help prevent oil seepage down the valve guides with Ford Performance Parts valve stem seals. Made of high quality nylon, these seals are a positive stop design.

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