Sealed Power Engine Piston Set 351NP30
Sealed Power Engine Piston Set 351NP30

Piston Set for 1968-1974 Cadillac Calais & More - Sealed 351NP 30

Be the first to review this product
$1,087.99
MPN: 351NP30
UPC: 724956346288
Item Package Quantity: 8
Adding to cart… The item has been added

Have questions?

Ask an Expert
Sealed Power Engine Piston Set P/N:351NP 30 (Pack of 8)
Sealed Power Engine Piston Set P/N:351NP 30 (Pack of 8)
$1,087.99

Sealed 351NP 30 piston set for the 1968-1974 Cadillac Calais V8 7.7L and other vehicles carries combustion force from each cylinder to the connecting rod. This engine piston set delivers the performance and dependability of original equipment pistons 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
  • Oversized 0.030 in for a 4.3000 in bore

Quick facts

  • Part: Sealed 351NP 30 piston set
  • Also called: engine piston set
  • Fits: 1968-1974 Cadillac Calais V8 7.7L and other vehicles
  • Material: Cast aluminum
  • Condition: New

Blue exhaust smoke, an engine knock or low compression can mean worn pistons, though worn piston rings or a worn cylinder wall can be behind them as well, so pin down the cause before you order.

Fits

The vehicles it fits include the 1968-1974 Cadillac Commercial Chassis V8 7.7L and the 1968-1974 Cadillac DeVille V8 7.7L. The V8 7.7L takes eight pistons, one per cylinder. If your Cadillac is not named here, open the Buyer's Guide tab and check your exact model and engine.

Specifications

Fit and size

  • Quantity per vehicle: 8
  • Bore diameter: 4.3000 in
  • Oversize: 0.030 in
  • Compression height: 2.010 in
  • Piston pin outside diameter: 0.9997 in (25.392 mm)
  • Pin offset: 0.06 in (1.524 mm)
  • Top compression ring thickness: 0.0781 in
  • Second compression ring thickness: 0.0781 in
  • Oil ring thickness: 0.1875 in

Build and materials

  • Piston material: Cast aluminum
  • Piston head type: Recessed
  • Assembly lubricant: not included
  • Condition: New
  • Country of origin: United States

Interchange: P6009(8)030
P541030 · 91814030 · TC3075030 · 945P30 · 1814030

This part cross-references / interchanges with the following part numbers:

P541030, 91814030, TC3075030, P6009(8)030, 945P30, 1814030

Frequently Asked Questions

Is the Sealed 351NP 30 piston set right for a 1968-1974 Cadillac DeVille V8 7.7L?

Yes. Sealed 351NP 30 is listed for the 1968-1974 Cadillac DeVille V8 7.7L, and that engine takes eight pistons.

How much oversize are the pistons in this set?

Sealed 351NP 30 is oversized by 0.030 in and is made for a bore diameter of 4.3000 in.

What material are these pistons made of?

The pistons are cast aluminum, cast with FM132 Eutectic proprietary alloy.

Does this piston set come with assembly lubricant?

No. Assembly lubricant is not included, so you need to have your own on hand for the rebuild.

Does Sealed 351NP 30 interchange with P541030?

Yes. P541030 is listed as an interchange number for Sealed 351NP 30, along with 945P30 and 1814030.

Related Products

!