Piston Set for 1970-1973 Ford Mustang & More - Sealed 425NP 30

$528.99
Sealed Power Engine Piston Set 425NP30
Sealed Power Engine Piston Set 425NP30 - view 2
Sealed Power Engine Piston Set 425NP30
Sealed Power Engine Piston Set 425NP30 - view 2

Vehicles this part fits
    Part number: 425NP30
    UPC: 614046899599
    Condition: New
    Weight: 5.84 LBS
    Pack of 8
    $528.99
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    Sealed Power Engine Piston Set P/N:425NP 30 (Pack of 8)
    Sealed Power Engine Piston Set P/N:425NP 30 (Pack of 8)
    $528.99
    $528.99

    Sealed 425NP 30 piston set for the 1970-1973 Ford Mustang V8 5.8L and other vehicles carries combustion force from each cylinder down to the connecting rod. It meets or exceeds OEM specifications and is made for engine rebuilds.

    • Sealed Power Vintage line for classic engine rebuilds
    • Cast aluminum, cast with FM132 eutectic proprietary alloy
    • Recessed piston head
    • 0.030 inch oversize pistons

    Quick facts

    • Part: Sealed 425NP 30 piston set
    • Also called: engine piston set
    • Fits: 1970-1973 Ford Mustang V8 5.8L and other vehicles
    • Material: Cast aluminum
    • Condition: New

    Oil burning, blue exhaust smoke or lost compression can mean worn pistons. Those signs alone do not prove the pistons are at fault, since worn valve seals are another common source of oil smoke. A V8 takes eight, one per cylinder.

    Fits

    The 1970-1974 Ford Country Sedan V8 5.8L and the 1970-1974 Ford Country Squire V8 5.8L take this piston set, as do many other Ford and Mercury V8 5.8L models.

    Specifications

    Fit and size

    • Quantity per vehicle: 8
    • Bore diameter: 4.0000 in
    • Oversize: 0.030 in
    • Compression height: 1.630 in
    • Piston pin outside diameter: 0.9123 in (23.172 mm)
    • Pin offset: 0.06 in (1.524 mm)
    • Top and second compression ring thickness: 0.0781 in each
    • Oil ring thickness: 0.1875 in
    • Minimum clearance: 0.0015 at 2.310 from top of head

    Build and materials

    • Material: Cast aluminum
    • Head type: recessed
    • Condition: New
    • Country of origin: India

    In the box

    The piston set. Assembly lubricant is not included.

    Interchange: P1522(8)030
    P740030 · 91159030 · TC1921030 · 2241921030 · 997P30 · D0AZ6108E · D3AZ6108U · 8159P30 · 1159030 · L3005F30 · Z3494B030

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

    P740030, 91159030, TC1921030, 2241921030, P1522(8)030, 997P30, D0AZ6108E, D3AZ6108U, 8159P30, 1159030, L3005F30, Z3494B030

    Frequently Asked Questions

    Does the Sealed 425NP 30 fit the 1970-1973 Ford Mustang V8 5.8L?

    Yes, Sealed 425NP 30 fits the 1970-1973 Ford Mustang V8 5.8L, along with other Ford and Mercury V8 5.8L models. Own a different car? Look it up in the "Vehicles it fits" section on this page.

    Is this engine piston set oversized?

    Yes, these pistons are 0.030 inch oversize, and the listed bore diameter is 4.0000 inch.

    What type of piston head does the Sealed 425NP 30 have?

    A recessed head. The pistons are cast aluminum, cast with FM132 eutectic proprietary alloy.

    Does the 425NP 30 come with assembly lubricant?

    No. Assembly lubricant is not included with Sealed 425NP 30, so get it separately.

    Does Sealed 425NP 30 replace the P740030 piston set?

    Yes, P740030 is one of the numbers Sealed 425NP 30 replaces.

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