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Comp Cams Performance Parts
Comp Cams 503-16
Comp Cams 503-16 11/32 Teflon Valve Steam Seal 500x375
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Comp Cams 503-16
Comp Cams 503-16 Positive stop teflon valve stem seals
Our Price: $21.97
UPC 036584140160
(11 In Stock)
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(US only. Excluding any oversize charges.)
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Performance Parts is a Comp Cams authorized performance retailer
Product Info Related Items
Application: Street/Strip
Comp Cams 503-16 Positive stop teflon valve stem seals

Valve stem seals are required to keep engine oil from entering the combustion chamber through the clearance in the valve guides. The umbrella style seal is for when a larger than stock diameter valve spring is being used. If you are using double springs then the positive stop Teflon seal is required.

.530" valve guides, 11/32" valves.
Set of 16

Shipping Weight/Dimensions:
Weight:0.16 lbs
Height:1.00 in.
Length:6.00 in.
Width:4.00 in.
Shipping from warehouses in the U.S. and Canada!
Performance Parts has over 20 warehouses in the U.S. and Canada so you can get your parts duty free! Call for availability.
Pro Recommends
The Pro Recommends this part be used for the following applications:
EnginePerformance Level
1963-1985 Ford 289-302 Very Mild
1963-1985 Ford 289-302 Mild
1963-1985 Ford 289-302 Strong
1963-1985 Ford 289-302 Pro Street
1963-1985 Ford 289-302 Bracket
1969-1985 Chevy 350 Pro Street
1969-1985 Chevy 350 Bracket
1969-1995 Ford 351 W Very Mild
1969-1995 Ford 351 W Mild
1969-1995 Ford 351 W Strong
1969-1995 Ford 351 W Pro Street
1969-1995 Ford 351 W Bracket
1971-1981 Pontiac 350-455 Mild
1971-1981 Pontiac 350-455 Strong
1971-1981 Pontiac 350-455 Pro Street
1971-1981 Pontiac 350-455 Bracket
1972-1976 Chevy 400 Small Block Pro Street
1972-1976 Chevy 400 Small Block Bracket
1986-1995 Ford 5.0 EFI Mild
1986-1995 Ford 5.0 EFI Strong
1986-1995 Ford 5.0 EFI Pro Street
1986-1995 Ford 5.0 EFI Bracket
1986-1995 Chevy 350 Pro Street
1986-1995 Chevy 350 Bracket
Note: This part is only assumed to function properly for the given engine and performance level IF the whole package is purchased. Mis-matching parts may DECREASE your engine's performance.
None listed.
- Last Updated: 2014-08-27 17:05:40 -
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