Description
COMP’s Positive Stop PTFE valve seals offer more clearance for dual springs with better sealing than o-ring or umbrella seals. This 505 seal has a .630″ outer diameter and fits applications with 3/8″ valves and .530″ OD valve guides.
Resources
Installation Instructions
Resources
Installation Instructions
Specifications:
| Amazon ASIN | B000P5GCQ6 |
| C.A.R.B. E.O. Number | N/A |
| C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965? | Yes, but must meet tailpipe emission standards for year of vehicle. |
| C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967? | Yes, but must meet tailpipe emission standards for year of vehicle. |
| C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967? | Yes, but must meet tailpipe emission standards for year of vehicle. |
| C.A.R.B. Exempt for On-Road Vehicles? | Yes |
| C.A.R.B. Exempt for Racing and Off-Road Only Vehicles? | Yes, but must be a race/competition only vehicle. |
| C.A.R.B. Exemption Reason | No impact on pollution output of vehicle. |
| California Proposition 65 | WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov |
| Description_ASC | Available in a set of 12 under 505-12, available in a set of 16 under 505-16 |
| Description_ASM | Engines w/ 0.530″ OD Valve Guides and 3/8″ Valve Stems |
| Description_DEF | Engine Valve Stem Oil Seal |
| Description_DES | 1 PTFE Valve Seal for .530″ Guide Size, 3/8″ Valve Stem |
| Description_EXT | COMP’s Positive Stop PTFE valve seals offer more clearance for dual springs with better sealing than o-ring or umbrella seals. This 505 seal has a .630″ outer diameter and fits applications with 3/8″ valves and .530″ OD valve guides. |
| Description_INV | 1 PTFE Seal .530″ Guide, 3/8″ Valve |
| Description_KEY | .530″ Valve Seal |
| Description_KEY | 11/32″ Valve Seals |
| Description_KEY | 5/16″ Valve Seals |
| Description_KEY | 8 mm Seals |
| Description_KEY | O-Ring Seals |
| Description_KEY | PTFE |
| Description_KEY | Seal |
| Description_KEY | Umbrella |
| Description_KEY | Valve Guide |
| Description_KEY | Valve Guide Seal |
| Description_KEY | Valve Seals |
| Description_KEY | Valve Stem Seal |
| Description_KEY | Viton Seals |
| Description_SHO | Valve Stem Oil Seal |
| Description_SHP | None |
| height | 0.4 |
| length | 6.0 |
| LTL | N |
| Seal Outer Diameter | 0.63 |
| Title | 1 PTFE Valve Seal for .530″ Guide Size, 3/8″ Valve Stem |
| Valve Guide Outer Diameter | 0.53 |
| Valve Seal Type | Positive Stop PTFE |
| Valve Stem Outer Diameter | 3/8 |
| weight | 0.2 |
| width | 4.0 |
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