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Sealed Power

Speed-Pro Forged Pistons L2268NF30 Pistons, Forged, Dome, 4.280 in. Bore, Chevy, Set of 8

SKU: SLPL2268NF30

Pistons
Speed-Pro Forged Pistons L2268NF30 Pistons, Forged, Dome, 4.280 in. Bore, Chevy, Set of 8

Sealed Power

Speed-Pro Forged Pistons L2268NF30 Pistons, Forged, Dome, 4.280 in. Bore, Chevy, Set of 8

SKU: SLPL2268NF30

Pistons
A$1,608.16
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.
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Description

Speed-Pro forged pistons are made from extruded VMS-75 aluminum alloy that's forged under 3,000 tons of pressure to "near-net" shape. After that, they're machined to their final configuration. These pistons offer excellent strength and durability—and are capable of taking the punishment that's dished out on the street and in competition. They're available for a wide variety of applications, including OE replacements and all-out racing engines.

Part Type

Forged Piston

Data: v4.2 - Upd: 2026-10-10 19:15:37

Specifications

Product Attributes - Brand
Sealed Power
Product Attributes - Manufacturer's Part Number
L2268NF30
Product Attributes - Part Type
Pistons
Product Attributes - Product Line
Speed-Pro Forged Pistons
Product Attributes - UPC
019826077608
Product Attributes - Piston Rings Included
No
Product Attributes - Bore (in.)
4.280 in.
Product Attributes - Bore (mm)
108.712mm
Product Attributes - Stroke
3.766 in.
Product Attributes - Engine Stroke Type
Stock
Product Attributes - Rod Length
6.135 in.
Product Attributes - Piston Style
Dome, with single valve relief
Product Attributes - Piston Material
Forged aluminum
Product Attributes - Compression Height (in.)
1.765 in.
Product Attributes - Dome Height (in.)
0.266 in.
Product Attributes - Piston Head Volume (cc)
-35.50cc
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.)
0.989 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.
Product Attributes - Notes
DurOshield® coated piston skirt.

Reference Information

Brand Name/s Sealed Power
StreetFX SKU slpL2268NF30
SFX Item ID 5028132
Supplier Item Code 5028132
Manufacturer SKU L2268NF30
Manufacturer UPC 19826077608
Alternative References SEAL2268NF30

Compatibility

Application Data
  • MakeCHEVROLET
    Beginning Year1966
    Ending Year1969
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.0L/427
    Application Notes427 cubic inch 425/435 HP closed chamber heads. Deck clearance 0.020 inch. Skirt clearance 0.0035 inch.
  • MakeCHEVROLET
    Beginning Year1966
    Ending Year1969
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.0L/427
    Application NotesOriginal equipment for passenger car engines equipped with 4 barrel carburetor.
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1966
    Ending Year1969
    Engine TypeV8
    Liter7.0
    CID427
    CC6998
    Engine FamilyChevy big block Mark IV
    Engine Size7.0L/427
    Application Notes.266 dome .030" Oversize Powerforged 3 Ring Groove Piston Ring Groove Widths: 5/64, 5/64, 3/16 (in.) 1.765 CD DUROSHIELD skirt coated piston
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1966
    Ending Year1969
    Engine TypeV8
    Liter7.0
    CID427
    CC6998
    Engine FamilyChevy big block Mark IV
    Engine Size7.0L/427
    Application NotesDome Head; with 0.266in Dome Height 0.030in Oversize Powerforged piston 3 Ring Piston Ring Groove Widths: 5/64in , 5/64in , 3/16in 1.765in Compression Distance DUROSHIELD Skirt Coated Piston
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1966
    Ending Year1969
    Engine TypeV8
    Liter7.0
    CID427
    CC6998
    Engine FamilyChevy big block Mark IV
    Engine Size7.0L/427
    Application NotesPowerforged 0.990" Pin Dia. 2 Ring(s) 5/64 Groove 1 Ring(s) 3/16 Groove 1.765 CD .266 dome DUROSHIELD« skirt coated piston 60 O/S has .255 dome; .030" Oversize
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1966
    Ending Year1969
    Engine TypeV8
    Liter7.0
    CID427
    CC6998
    Engine FamilyChevy big block Mark IV
    Engine Size7.0L/427
    Application NotesPowerforged 0.990" Pin Dia. 2 Ring(s) 5/64 Groove 1 Ring(s) 3/16 Groove 1.765 CD .266 dome DUROSHIELD® skirt coated piston 60 O/S has .255 dome .030" Oversize
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1966
    Ending Year1969
    Engine TypeV8
    Liter7.0
    CID427
    CC6998
    Engine FamilyChevy big block Mark IV
    Engine Size7.0L/427
    Application NotesPowerforged 0.990" Pin Dia. 2 Ring(s) 5/64 Groove 1 Ring(s) 3/16 Groove 1.765 CD .266 dome DUROSHIELD® skirt coated piston 60 O/S has .255 dome; .030" Oversize
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1966
    Ending Year1969
    Engine TypeV8
    Liter7.0
    CID427
    CC6998
    Engine FamilyChevy big block Mark IV
    Engine Size7.0L/427
    Application NotesPowerforged 0.990" Pin Dia. 2 Ring(s) 5/64 Groove 1 Ring(s) 3/16 Groove 1.765 CD .266 dome DUROSHIELD® skirt coated piston 60 O/S has .255 dome
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1966
    Ending Year1969
    Engine TypeV8
    Liter7.0
    CID427
    CC6998
    Engine FamilyChevy big block Mark IV
    Engine Size7.0L/427
    Application NotesPowerforged 0.990" Pin Dia. 5/64 Groove 2 Ring(s) 1 Ring(s) 3/16 Groove 1.765 CD .266 dome DUROSHIELD« skirt coated piston 60 O/S has .255 dome; .030" Oversize
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1966
    Ending Year1969
    Engine TypeV8
    Liter7.0
    CID427
    CC6998
    Engine FamilyChevy big block Mark IV
    Engine Size7.0L/427
    Application NotesPowerforged 2 Groove(s) 5/64 1 Groove(s) 3/16 1.765 CD .266 dome DUROSHIELD skirt coated piston 60 O/S has .255 dome .030" Oversize
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1966
    Ending Year1969
    Engine TypeV8
    Liter7.0
    CID427
    CC6998
    Engine FamilyChevy big block Mark IV
    Engine Size7.0L/427
    Application NotesPowerforged 2 Groove(s) 5/64 1 Groove(s) 3/16 1.765 CD .266 dome DUROSHIELD® skirt coated piston 60 O/S has .255 dome .030" Oversize
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1966
    Ending Year1969
    Engine TypeV8
    Liter7.0
    CID427
    CC6998
    Engine FamilyChevy big block Mark IV
    Engine Size7.0L/427
    Application NotesPowerforged piston 3 Ring Piston Ring Groove Widths: 5/64in , 5/64in , 3/16in 1.765in Compression Distance DUROSHIELD Skirt Coated Piston Dome Head; with 0.266in Dome Height 0.030in Oversize
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1966
    Ending Year1969
    Engine TypeV8
    Liter7.0
    CID427
    CC6998
    Engine FamilyChevy big block Mark IV
    Engine Size7.0L/427
    Application NotesPowerforged piston 3 Ring Piston Ring Groove Widths: 5/64in , 5/64in , 3/16in 1.765in Compression Distance DUROSHIELD Skirt Coated Piston Sold as Set Priced Individually Dome Head; with 0.266in Dome Height 0.030in Oversize
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1966
    Ending Year1969
    Engine TypeV8
    Liter7.0
    CID427
    CC6998
    Engine FamilyChevy big block Mark IV
    Engine Size7.0L/427
    Application NotesPowerforged piston Sold as Set
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1966
    Ending Year1969
    Engine TypeV8
    Liter7.0
    CID427
    CC6998
    Engine FamilyChevy big block Mark IV
    Engine Size7.0L/427
    Application NotesSold as Set Priced Individually Dome Head; with 0.266in Dome Height
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1966
    Ending Year1969
    Engine TypeV8
    Liter7.0
    CID427
    CC6998
    Engine FamilyChevy big block Mark IV
    Engine Size7.0L/427
    Application NotesSold as Set Priced Individually
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1966
    Ending Year1969
    Engine TypeV8
    Liter7.0
    CID427
    CC6998
    Engine FamilyChevy big block Mark IV
    Engine Size7.0L/427
  • MakeCHEVROLET
    ModelBISCAYNE
    SubmodelBASE
    Beginning Year1966
    Ending Year1969
    Engine TypeV8
    Liter7.0
    CID427
    CC6998
    Engine FamilyChevy big block Mark IV
    Engine Size7.0L/427
    Application Notes.266 dome .030" Oversize Powerforged 3 Ring Groove Piston Ring Groove Widths: 5/64, 5/64, 3/16 (in.) 1.765 CD DUROSHIELD skirt coated piston
  • MakeCHEVROLET
    ModelBISCAYNE
    SubmodelBASE
    Beginning Year1966
    Ending Year1969
    Engine TypeV8
    Liter7.0
    CID427
    CC6998
    Engine FamilyChevy big block Mark IV
    Engine Size7.0L/427
    Application NotesDome Head; with 0.266in Dome Height 0.030in Oversize Powerforged piston 3 Ring Piston Ring Groove Widths: 5/64in , 5/64in , 3/16in 1.765in Compression Distance DUROSHIELD Skirt Coated Piston
  • MakeCHEVROLET
    ModelBISCAYNE
    SubmodelBASE
    Beginning Year1966
    Ending Year1969
    Engine TypeV8
    Liter7.0
    CID427
    CC6998
    Engine FamilyChevy big block Mark IV
    Engine Size7.0L/427
    Application NotesPowerforged 0.990" Pin Dia. 2 Ring(s) 5/64 Groove 1 Ring(s) 3/16 Groove 1.765 CD .266 dome DUROSHIELD« skirt coated piston 60 O/S has .255 dome; .030" Oversize
  • MakeCHEVROLET
    ModelBISCAYNE
    SubmodelBASE
    Beginning Year1966
    Ending Year1969
    Engine TypeV8
    Liter7.0
    CID427
    CC6998
    Engine FamilyChevy big block Mark IV
    Engine Size7.0L/427
    Application NotesPowerforged 0.990" Pin Dia. 2 Ring(s) 5/64 Groove 1 Ring(s) 3/16 Groove 1.765 CD .266 dome DUROSHIELD® skirt coated piston 60 O/S has .255 dome .030" Oversize
  • MakeCHEVROLET
    ModelBISCAYNE
    SubmodelBASE
    Beginning Year1966
    Ending Year1969
    Engine TypeV8
    Liter7.0
    CID427
    CC6998
    Engine FamilyChevy big block Mark IV
    Engine Size7.0L/427
    Application NotesPowerforged 0.990" Pin Dia. 2 Ring(s) 5/64 Groove 1 Ring(s) 3/16 Groove 1.765 CD .266 dome DUROSHIELD® skirt coated piston 60 O/S has .255 dome; .030" Oversize
  • MakeCHEVROLET
    ModelBISCAYNE
    SubmodelBASE
    Beginning Year1966
    Ending Year1969
    Engine TypeV8
    Liter7.0
    CID427
    CC6998
    Engine FamilyChevy big block Mark IV
    Engine Size7.0L/427
    Application NotesPowerforged 0.990" Pin Dia. 2 Ring(s) 5/64 Groove 1 Ring(s) 3/16 Groove 1.765 CD .266 dome DUROSHIELD® skirt coated piston 60 O/S has .255 dome
  • MakeCHEVROLET
    ModelBISCAYNE
    SubmodelBASE
    Beginning Year1966
    Ending Year1969
    Engine TypeV8
    Liter7.0
    CID427
    CC6998
    Engine FamilyChevy big block Mark IV
    Engine Size7.0L/427
    Application NotesPowerforged 0.990" Pin Dia. 5/64 Groove 2 Ring(s) 1 Ring(s) 3/16 Groove 1.765 CD .266 dome DUROSHIELD« skirt coated piston 60 O/S has .255 dome; .030" Oversize
  • MakeCHEVROLET
    ModelBISCAYNE
    SubmodelBASE
    Beginning Year1966
    Ending Year1969
    Engine TypeV8
    Liter7.0
    CID427
    CC6998
    Engine FamilyChevy big block Mark IV
    Engine Size7.0L/427
    Application NotesPowerforged 2 Groove(s) 5/64 1 Groove(s) 3/16 1.765 CD .266 dome DUROSHIELD skirt coated piston 60 O/S has .255 dome .030" Oversize

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