This Clevite positive stop intake valve stem oil seal set is listed for the Chevy LS V8, 1999-2014. It contains 8 seals made of Viton rubber for a 0.275 inch valve stem and a 0.490 inch guide OD.
Specifications:
- Type: valve stem oil seal set (set of 8)
- Valve position: intake
- Style: positive stop
- Material: Viton rubber
- Valve stem size: 0.275 in
- Guide OD: 0.490 in
- Engine: Chevy LS V8
- Model years: 1999-2014
- Part number: SS45921
Engine Application: Chevy LS V8, 1999-2014.
FAQ
What engine does the Clevite SS45921 valve stem seal set fit?
It is listed for the Chevy LS V8, 1999-2014.
How many seals come in the SS45921 set?
The set contains 8 valve stem oil seals. If your engine has 16 valves and you need seals for all of them, order two sets.
What valve stem size does the SS45921 seal fit?
It is listed for a 0.275 inch valve stem with a 0.490 inch guide OD. Measure your valve stem and guide before ordering.
Is the SS45921 set for intake or exhaust valves?
It is listed as an intake valve stem oil seal set.

