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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-503-16
Positive Stop PTFE Seals Guide Size: .530"
$3595
Ships on Sep 02, 2026
Lowest Price GuaranteePositive Stop PTFE Seals
- Positive Stop PTFE Seals
- Guide Size: .530''
- Valve Size: 11/32''
- 16/pkg
- 1 Year Limited Warranty
PTFE; Seal; Valve Guide; Valve Guide Seal; Valve Stem Seal; Valve Seals; 5/16" Valve Seals; 11/32" Valve Seals; .530" Valve Seal; Umbrella; O-Ring Seals; Viton Seals; 8 mm Seals
COMP's Positive Stop PTFE valve seals offer more clearance for dual springs with better sealing than o-ring or umbrella seals. These 503 seals have a .630" outer diameter and fit applications with 11/32" valves and .530" OD valve guides.
Part TypeValve Stem Seal
BrandCOMP CAMS
Package Height0.7
Package Width3.5
Package Length6.2
Weight0.12 PG
Part CategoryPerformance Parts
Valve Guide Diameter0.53 in (13.5 mm)
Valve Stem Seal TypePositive stop
Machine Work RequiredYes
Valve Stem Seal MaterialPTFE
QuantitySold as a set of 16
Valve Stem Diameter0.344 in (8.7 mm)
Diameter0.344 in (8.738 mm)
Vendor Part Number503-16
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
