Australia-wide shipping on performance, 4x4 and vehicle-specific upgrades.

Sealed Power Cast Pistons 411NP30 Pistons, Cast, Flat, 4.150 in. Bore, Pontiac, Set of 8

SKU: SLP411NP30

Pistons

Sealed Power Cast Pistons 411NP30 Pistons, Cast, Flat, 4.150 in. Bore, Pontiac, Set of 8

SKU: SLP411NP30

Pistons
A$720.55
LAST ONE! Est Ship 4-7 days. LAST ONE! This is the last unit at our distribution centre. Contact us if you need more. The ETA is the approximate time required to prepare your order for dispatch.
View cart
We accept
American Express
Mastercard
Visa
PayPal Checkout
Direct Deposit
Afterpay
Apple Pay
Google Pay
Zip Pay

Description

For budget or stock-style rebuilds, it's hard to beat the value of Sealed Power cast pistons. They're made from high-quality aluminum alloys and feature a carefully controlled casting, heat-treating, and CNC-machining process. And, because they're designed and manufactured to exceed OEM specs, these pistons provide improved reliability, performance, and a long service life. Hundreds of models are available—find the size and style designed for your engine application.

Part Type

Cast Piston

Data: v4.2 - Upd: 2026-09-30 14:11:29

Specifications

Product Attributes - Brand
Sealed Power
Product Attributes - Manufacturer's Part Number
411NP30
Product Attributes - Part Type
Pistons
Product Attributes - Product Line
Sealed Power Cast Pistons
Product Attributes - UPC
724956350728
Product Attributes - Piston Rings Included
No
Product Attributes - Bore (in.)
4.150 in.
Product Attributes - Bore (mm)
105.410mm
Product Attributes - Stroke
3.750 in.
Product Attributes - Engine Stroke Type
Stock
Product Attributes - Rod Length
6.625 in.
Product Attributes - Piston Style
Flat top, with four valve reliefs
Product Attributes - Piston Material
Cast aluminum
Product Attributes - Compression Height (in.)
1.700 in.
Product Attributes - Wrist Pin Style
Press-fit
Product Attributes - Wrist Pin Retainers Included
No
Product Attributes - Wrist Pin Included
Yes
Product Attributes - Pin Diameter (in.)
0.980 in.
Product Attributes - Piston Ring Thickness
5/64 in. x 5/64 in. x 3/16 in.
Product Attributes - File Fit
No
Product Attributes - Gapless
No
Product Attributes - Remanufactured
No
Product Attributes - Quantity
Sold as a set of 8.

Reference Information

Brand Name/s Sealed Power
StreetFX SKU slp411NP30
SFX Item ID 5030465
Supplier Item Code 5030465
Manufacturer SKU 411NP30
Manufacturer UPC 724956350728
Alternative References SEA411NP30

Compatibility

Application Data
  • MakeBUICK
    ModelLESABRE
    SubmodelCUSTOM
    Beginning Year1975
    Ending Year1975
    Engine TypeV8
    Liter6.6
    CID400
    Engine FamilyPontiac V8
    Engine Size6.6L/400
    Engine VIN CodeS
  • MakeOLDSMOBILE
    Model98
    SubmodelLUXURY
    Beginning Year1975
    Ending Year1975
    Engine TypeV8
    Liter6.6
    CID400
    Engine FamilyPontiac V8
    Engine Size6.6L/400
    Engine VIN CodeS
  • MakeOLDSMOBILE
    Model98
    SubmodelREGENCY
    Beginning Year1975
    Ending Year1975
    Engine TypeV8
    Liter6.6
    CID400
    Engine FamilyPontiac V8
    Engine Size6.6L/400
    Engine VIN CodeS
  • MakeOLDSMOBILE
    ModelCUSTOM CRUISER
    SubmodelBASE
    Beginning Year1975
    Ending Year1975
    Engine TypeV8
    Liter6.6
    CID400
    Engine FamilyChevy small block Gen I
    Engine Size6.6L/400
    Engine VIN CodeR
  • MakeOLDSMOBILE
    ModelCUSTOM CRUISER
    SubmodelBASE
    Beginning Year1975
    Ending Year1975
    Engine TypeV8
    Liter6.6
    CID400
    Engine FamilyPontiac V8
    Engine Size6.6L/400
    Engine VIN CodeS
  • MakeOLDSMOBILE
    ModelCUSTOM CRUISER
    SubmodelPANEL
    Beginning Year1975
    Ending Year1975
    Engine TypeV8
    Liter6.6
    CID400
    Engine FamilyChevy small block Gen I
    Engine Size6.6L/400
    Engine VIN CodeR
  • MakeOLDSMOBILE
    ModelCUSTOM CRUISER
    SubmodelPANEL
    Beginning Year1975
    Ending Year1975
    Engine TypeV8
    Liter6.6
    CID400
    Engine FamilyPontiac V8
    Engine Size6.6L/400
    Engine VIN CodeS
  • MakeOLDSMOBILE
    ModelDELTA 88
    SubmodelBASE
    Beginning Year1975
    Ending Year1975
    Engine TypeV8
    Liter6.6
    CID400
    Engine FamilyChevy small block Gen I
    Engine Size6.6L/400
    Engine VIN CodeR
  • MakeOLDSMOBILE
    ModelDELTA 88
    SubmodelBASE
    Beginning Year1975
    Ending Year1975
    Engine TypeV8
    Liter6.6
    CID400
    Engine FamilyPontiac V8
    Engine Size6.6L/400
    Engine VIN CodeS
  • MakeOLDSMOBILE
    ModelDELTA 88
    SubmodelROYALE
    Beginning Year1975
    Ending Year1975
    Engine TypeV8
    Liter6.6
    CID400
    Engine FamilyChevy small block Gen I
    Engine Size6.6L/400
    Engine VIN CodeR
  • MakeOLDSMOBILE
    ModelDELTA 88
    SubmodelROYALE
    Beginning Year1975
    Ending Year1975
    Engine TypeV8
    Liter6.6
    CID400
    Engine FamilyPontiac V8
    Engine Size6.6L/400
    Engine VIN CodeS
  • MakePONTIAC
    Beginning Year1967
    Ending Year1979
    Engine TypeV8
    Engine FamilyPontiac V8
    Engine Size6.6L/400
    Application NotesAll except Ram Air IV engines.
  • MakePONTIAC
    ModelBONNEVILLE
    SubmodelBASE
    Beginning Year1967
    Ending Year1967
    Engine TypeV8
    Liter6.6
    CID400
    CC6555
    Engine FamilyPontiac V8
    Engine Size6.6L/400
    Engine VIN CodeX
  • MakePONTIAC
    ModelBONNEVILLE
    SubmodelBASE
    Beginning Year1967
    Ending Year1967
    Engine TypeV8
    Liter6.6
    CID400
    CC6555
    Engine FamilyPontiac V8
    Engine Size6.6L/400
    Engine VIN CodeY
  • MakePONTIAC
    ModelBONNEVILLE
    SubmodelBASE
    Beginning Year1967
    Ending Year1969
    Engine TypeV8
    Liter6.6
    CID400
    CC6555
    Engine FamilyPontiac V8
    Engine Size6.6L/400
  • MakePONTIAC
    ModelBONNEVILLE
    SubmodelBASE
    Beginning Year1970
    Ending Year1970
    Engine TypeV8
    Liter6.6
    CID400
    CC6555
    Engine FamilyPontiac V8
    Engine Size6.6L/400
  • MakePONTIAC
    ModelBONNEVILLE
    SubmodelBASE
    Beginning Year1970
    Ending Year1970
    Engine TypeV8
    Liter6.6
    CID400
    CC6555
    Engine FamilyPontiac V8
    Engine Size6.6L/400
  • MakePONTIAC
    ModelBONNEVILLE
    SubmodelBASE
    Beginning Year1970
    Ending Year1970
    Engine TypeV8
    Liter6.6
    CID400
    CC6555
    Engine FamilyPontiac V8
    Engine Size6.6L/400
  • MakePONTIAC
    ModelBONNEVILLE
    SubmodelBASE
    Beginning Year1970
    Ending Year1970
    Engine TypeV8
    Liter6.6
    CID400
    CC6555
    Engine FamilyPontiac V8
    Engine Size6.6L/400
  • MakePONTIAC
    ModelBONNEVILLE
    SubmodelBASE
    Beginning Year1970
    Ending Year1970
    Engine TypeV8
    Liter6.6
    CID400
    CC6555
    Engine FamilyPontiac V8
    Engine Size6.6L/400
  • MakePONTIAC
    ModelBONNEVILLE
    SubmodelBASE
    Beginning Year1970
    Ending Year1970
    Engine TypeV8
    Liter6.6
    CID400
    CC6555
    Engine FamilyPontiac V8
    Engine Size6.6L/400
  • MakePONTIAC
    ModelBONNEVILLE
    SubmodelBASE
    Beginning Year1970
    Ending Year1970
    Engine TypeV8
    Liter6.6
    CID400
    CC6555
    Engine FamilyPontiac V8
    Engine Size6.6L/400
  • MakePONTIAC
    ModelBONNEVILLE
    SubmodelBASE
    Beginning Year1970
    Ending Year1970
    Engine TypeV8
    Liter6.6
    CID400
    CC6555
    Engine FamilyPontiac V8
    Engine Size6.6L/400
  • MakePONTIAC
    ModelBONNEVILLE
    SubmodelBASE
    Beginning Year1970
    Ending Year1970
    Engine TypeV8
    Liter6.6
    CID400
    CC6555
    Engine FamilyPontiac V8
    Engine Size6.6L/400
  • MakePONTIAC
    ModelBONNEVILLE
    SubmodelBASE
    Beginning Year1970
    Ending Year1970
    Engine TypeV8
    Liter6.6
    CID400
    CC6555
    Engine FamilyPontiac V8
    Engine Size6.6L/400

Loading compatibility information...

Keep shopping

More from Sealed Power