Comp Cams 501-16
Set of 16 O-ring valve stem seals for 11/32" / 8.73 mm valve stems and production-size guides.
COMP Cams 501-16 is an O-ring valve stem seal set for 11/32" valve stems. These seals fit the production stem grooves and limit oil flow down the valve guide.
Application / fitment
This set is intended for cylinder heads using 11/32" valves and the production O-ring seal arrangement. It is listed as a recommended component for numerous Chevrolet 4.3 / 262-6.6 / 400 V8 combinations, including selected marine configurations.
- seal type: rubber O-ring
- valve stem diameter: 11/32" / 8.73 mm
- guide type: OE-size guide
- quantity: 16 seals
- application: one 16-valve V8 engine
The seal must seat in the dedicated stem groove. Protect it from the valve-lock grooves during installation and verify that the head uses an O-ring arrangement rather than an umbrella or positive-style seal.
Technical information
- part type: O-ring valve stem seal
- material: elastomer
- valve stem diameter: 11/32" / 8.73 mm
- nominal diameter: 0.34375" / 8.73 mm
- GTIN: 036584140085
- sale unit: set of 16