This Clevite piston ring set is a drop-in, 8-cylinder kit for the GM 6.6L Duramax diesel V8. It uses ductile iron rings with a plasma moly finish, a 4.095 inch bore, a 3.0 x 2.0 x 3.0 mm ring size and standard tension.
Specifications:
- Type: Piston ring set (8-cylinder kit)
- Bore: 4.095 in
- Ring groove: 3.0 x 2.0 x 3.0 mm
- Tension: standard
- Fit: drop-in
- Material: ductile iron
- Finish: plasma moly
- Engine: GM 6.6L Duramax diesel V8
- Part number: 41909040
Engine Application: GM 6.6L Duramax diesel V8.
FAQ
What engine does the Clevite 41909040 ring set fit?
It fits the GM 6.6L Duramax diesel V8.
How many cylinders does this ring set cover?
It is an 8-cylinder kit, enough rings for a V8 engine.
What bore size does it use?
The bore is 4.095 inches. Confirm your finished cylinder bore matches before ordering.
What ring size is it?
The ring groove size is 3.0 x 2.0 x 3.0 mm, with standard tension.
What are the rings made of?
Ductile iron, with a plasma moly finish.

