Sealed E-299X 30 piston ring set for the 1967-1979 Pontiac Firebird V8 6.6L and other vehicles seals each piston against its cylinder wall. It is an oversized set for classic engine rebuilds.
- Sealed Power Vintage line, made for restoring older engines
- Oversized by 0.030 inch for cylinders bored to that size
- Ring set for 8 cylinders
- Exacting tolerances and leading-edge materials
Quick facts
- Part: Sealed E-299X 30 piston ring set
- Also called: engine piston ring set
- Fits: 1967-1979 Pontiac Firebird V8 6.6L and other vehicles
- Condition: New
Oil burning, blue exhaust smoke or low compression can be signs of worn rings. These signs alone do not prove the rings are the problem, since worn valve stem seals can also burn oil.
Fits
This set is listed for a wide range of Pontiac, Buick and Oldsmobile models, led by the 1967-1969 Pontiac Bonneville V8 7.0L, the 1967-1978 Bonneville V8 6.6L, the 1967-1969 Pontiac Catalina V8 7.0L and the 1967-1978 Catalina V8 6.6L.
Specifications
Fit and size
- Oversize: 0.030 in
- Cylinders: 8
- Quantity per vehicle: 1
Build and materials
- Type: oversized piston ring set
- Condition: New
- Country of origin: United States
In the box
One piston ring set for eight cylinders. This listing holds one set, and each vehicle takes one set.
Interchange: 50784CP.030
299X030 · 2105137030 · 50784030 · 644030 · T8377X30
This part cross-references / interchanges with the following part numbers:
299X030, 50784CP030, 2105137030, 50784030, 644030, 50784CP.030, T8377X30
Frequently Asked Questions
Does the Sealed E-299X 30 piston ring set fit a 1967-1979 Pontiac Firebird V8 6.6L?
Yes, Sealed E-299X 30 is listed for the 1967-1979 Pontiac Firebird V8 6.6L. If your car is a different model, look for it in the "Vehicles it fits" section on this page.
Is this engine piston ring set oversized?
Yes. Sealed E-299X 30 is oversized by 0.030 inch, so it is meant for cylinders bored to that size.
Does this ring set cover all eight cylinders?
Yes. This listing holds one ring set for 8 cylinders, and the vehicle takes one set.
What can worn piston rings look like in a V8 that needs a rebuild?
Oil use, blue exhaust smoke and low compression can be signs of worn rings. A shop can confirm with a compression or leak-down test.
Is 644030 the same as Sealed E-299X 30?
Yes, 644030 is listed as an interchange number for Sealed E-299X 30, along with 299X030 and T8377X30.
