Sealed 400AP 60 piston set for the 1970-1976 Chevrolet Impala V8 6.6L and other vehicles turns combustion pressure into force on the connecting rods. This engine piston set is made for engine rebuilds in applications over 35 years old and meets or exceeds OEM specifications.
- Sealed Power Vintage line for classic engine rebuilds
- Cast with FM132 Eutectic proprietary alloy
- Cast aluminum pistons with a recessed head
- 0.060 inch oversize for a 4.1250 inch bore diameter
- 0.9275 inch piston pin outside diameter with a 0.03 inch pin offset
Quick facts
- Part: Sealed 400AP 60 piston set
- Also called: engine piston set
- Fits: 1970-1976 Chevrolet Impala V8 6.6L and other vehicles
- Material: Cast aluminum
- Condition: New
Blue exhaust smoke, oil use or low compression can mean worn pistons, rings or bores. Before you replace the pistons, rule out worn valve seals or a leaking head gasket, since those also affect oil use and compression.
Fits
This set is listed as a direct-fit replacement for a wide range of Chevrolet, GMC and Pontiac models, led by the 1976-1980 Chevrolet C10 V8 6.6L and the 1976-1980 Chevrolet C20 V8 6.6L. If your car is not named here, look up its year, model and engine in the "Vehicles it fits" section.
Specifications
Fit and size
- Bore diameter: 4.1250 in
- Oversize: 0.060 in
- Compression height: 1.540 in
- Piston pin outside diameter: 0.9275 in (23.559 mm)
- Pin offset: 0.03 in (0.762 mm)
- Top and second compression ring thickness: 0.0781 in each
- Oil ring thickness: 0.1875 in
- Quantity per vehicle: 8
Build and materials
- Piston material: cast aluminum
- Alloy: FM132 Eutectic
- Piston head type: recessed
- Condition: new
- Country of origin: India
In the box
One piston set; the V8 6.6L engine takes eight pistons. Assembly lubricant is not included.
Interchange: P1546(8)060
P571060 · 91443060 · TC1852060 · 979P60 · 1443060 · Z8308060
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
P571060, 91443060, TC1852060, P1546(8)060, 979P60, 1443060, Z8308060
Frequently Asked Questions
Does the Sealed 400AP 60 piston set fit a 1970-1976 Chevrolet Impala V8 6.6L?
Yes. Sealed 400AP 60 is listed for the 1970-1976 Chevrolet Impala V8 6.6L. The "Vehicles it fits" section shows the other models, years and engines.
How oversized is this piston set?
This piston set is 0.060 inch oversize and goes with a bore diameter of 4.1250 inches.
Are these pistons cast or forged?
They are cast. The material is cast aluminum, cast with the FM132 Eutectic proprietary alloy.
Does the Sealed 400AP 60 come with assembly lubricant?
No. Sealed 400AP 60 does not include assembly lubricant, so it has to be bought separately.
What size is the piston pin on this set?
The piston pin outside diameter is 0.9275 inch (23.559 mm), and the pin offset is 0.03 inch (0.762 mm).
