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Sealed Power

Speed-Pro Forged Pistons L2240NF30 Pistons, Forged, Dome, 4.124 in. Bore, Chevy, Set of 8

SKU: SLPL2240NF30

Pistons
Speed-Pro Forged Pistons L2240NF30 Pistons, Forged, Dome, 4.124 in. Bore, Chevy, Set of 8

Sealed Power

Speed-Pro Forged Pistons L2240NF30 Pistons, Forged, Dome, 4.124 in. Bore, Chevy, Set of 8

SKU: SLPL2240NF30

Pistons
A$1,340.55
LOW STOCK! Est Ship 4-7 days. HURRY! LOW STOCK. This item is in limited stock at one of our distribution centres. 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: 2026-09-30 14:11:32

Specifications

Product Attributes - Brand
Sealed Power
Product Attributes - Manufacturer's Part Number
L2240NF30
Product Attributes - Part Type
Pistons
Product Attributes - Product Line
Speed-Pro Forged Pistons
Product Attributes - UPC
087674905701
Product Attributes - Piston Rings Included
No
Product Attributes - Bore (in.)
4.124 in.
Product Attributes - Bore (mm)
104.750mm
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.)
1.760 in.
Product Attributes - Dome Height (in.)
0.182 in.
Product Attributes - Piston Head Volume (cc)
-21.00cc
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.)
0.990 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 slpL2240NF30
SFX Item ID 5029171
Supplier Item Code 5029171
Manufacturer SKU L2240NF30
Manufacturer UPC N/A
Alternative References SEAL2240NF30

Compatibility

Application Data
  • MakeCHEVROLET
    Beginning Year1965
    Ending Year1969
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size6.5L/396
    Application Notes396 325/350 HP closed chamber heads. Deck clearance 0.025 inch. Skirt clearance: 0.0015 inch.
  • MakeCHEVROLET
    Beginning Year1965
    Ending Year1969
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size6.5L/396
    Application NotesOriginal equipment replacement type for passenger car engines with 2 barrel carburetor.
  • MakeCHEVROLET
    Beginning Year1965
    Ending Year1970
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size6.5L/396
    Application NotesLow compression with piston dome removed.
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1968
    Ending Year1968
    Engine TypeV8
    Liter6.5
    CID396
    CC6489
    Engine FamilyChevy big block Mark IV
    Engine Size6.5L/396
    Application NotesFuel Delivery Sub Type: 2BBL. Powerforged 0.9897" Pin Dia. 2 Ring(s) 5/64 Groove 1 Ring(s) 3/16 Groove 1.760 CD .182 dome DUROSHIELD« skirt coated piston .030" Oversize
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1968
    Ending Year1968
    Engine TypeV8
    Liter6.5
    CID396
    CC6489
    Engine FamilyChevy big block Mark IV
    Engine Size6.5L/396
    Application NotesFuel Delivery Sub Type: 2BBL. Powerforged 0.9897" Pin Dia. 2 Ring(s) 5/64 Groove 1 Ring(s) 3/16 Groove 1.760 CD .182 dome DUROSHIELD® skirt coated piston .030" Oversize
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1968
    Ending Year1968
    Engine TypeV8
    Liter6.5
    CID396
    CC6489
    Engine FamilyChevy big block Mark IV
    Engine Size6.5L/396
    Application NotesFuel Delivery Sub Type: 2BBL. Powerforged 0.9897" Pin Dia. 5/64 Groove 2 Ring(s) 1 Ring(s) 3/16 Groove 1.760 CD .182 dome DUROSHIELD« skirt coated piston .030" Oversize
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1968
    Ending Year1968
    Engine TypeV8
    Liter6.5
    CID396
    CC6489
    Engine FamilyChevy big block Mark IV
    Engine Size6.5L/396
    Application NotesFuel Delivery Sub Type: 2BBL. Powerforged 2 Groove(s) 5/64 1 Groove(s) 3/16 1.760 CD .182 dome DUROSHIELD skirt coated piston .030" Oversize
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1968
    Ending Year1968
    Engine TypeV8
    Liter6.5
    CID396
    CC6489
    Engine FamilyChevy big block Mark IV
    Engine Size6.5L/396
    Application NotesFuel Delivery Sub Type: 2BBL. Powerforged 2 Groove(s) 5/64 1 Groove(s) 3/16 1.760 CD .182 dome DUROSHIELD® skirt coated piston .030" Oversize
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1969
    Ending Year1969
    Engine TypeV8
    Liter6.5
    CID396
    CC6489
    Engine FamilyChevy big block Mark IV
    Engine Size6.5L/396
    Application NotesPowerforged 0.9897" Pin Dia. 2 Ring(s) 5/64 Groove 1 Ring(s) 3/16 Groove 1.760 CD .182 dome DUROSHIELD« skirt coated piston .030" Oversize
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1969
    Ending Year1969
    Engine TypeV8
    Liter6.5
    CID396
    CC6489
    Engine FamilyChevy big block Mark IV
    Engine Size6.5L/396
    Application NotesPowerforged 0.9897" Pin Dia. 2 Ring(s) 5/64 Groove 1 Ring(s) 3/16 Groove 1.760 CD .182 dome DUROSHIELD® skirt coated piston .030" Oversize
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1969
    Ending Year1969
    Engine TypeV8
    Liter6.5
    CID396
    CC6489
    Engine FamilyChevy big block Mark IV
    Engine Size6.5L/396
    Application NotesPowerforged 0.9897" Pin Dia. 5/64 Groove 2 Ring(s) 1 Ring(s) 3/16 Groove 1.760 CD .182 dome DUROSHIELD« skirt coated piston .030" Oversize
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1969
    Ending Year1969
    Engine TypeV8
    Liter6.5
    CID396
    CC6489
    Engine FamilyChevy big block Mark IV
    Engine Size6.5L/396
    Application NotesPowerforged 2 Groove(s) 5/64 1 Groove(s) 3/16 1.760 CD .182 dome DUROSHIELD skirt coated piston .030" Oversize
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1969
    Ending Year1969
    Engine TypeV8
    Liter6.5
    CID396
    CC6489
    Engine FamilyChevy big block Mark IV
    Engine Size6.5L/396
    Application NotesPowerforged 2 Groove(s) 5/64 1 Groove(s) 3/16 1.760 CD .182 dome DUROSHIELD® skirt coated piston .030" Oversize
  • MakeCHEVROLET
    ModelBISCAYNE
    SubmodelBASE
    Beginning Year1968
    Ending Year1968
    Engine TypeV8
    Liter6.5
    CID396
    CC6489
    Engine FamilyChevy big block Mark IV
    Engine Size6.5L/396
    Application NotesFuel Delivery Sub Type: 2BBL. Powerforged 0.9897" Pin Dia. 2 Ring(s) 5/64 Groove 1 Ring(s) 3/16 Groove 1.760 CD .182 dome DUROSHIELD« skirt coated piston .030" Oversize
  • MakeCHEVROLET
    ModelBISCAYNE
    SubmodelBASE
    Beginning Year1968
    Ending Year1968
    Engine TypeV8
    Liter6.5
    CID396
    CC6489
    Engine FamilyChevy big block Mark IV
    Engine Size6.5L/396
    Application NotesFuel Delivery Sub Type: 2BBL. Powerforged 0.9897" Pin Dia. 2 Ring(s) 5/64 Groove 1 Ring(s) 3/16 Groove 1.760 CD .182 dome DUROSHIELD® skirt coated piston .030" Oversize
  • MakeCHEVROLET
    ModelBISCAYNE
    SubmodelBASE
    Beginning Year1968
    Ending Year1968
    Engine TypeV8
    Liter6.5
    CID396
    CC6489
    Engine FamilyChevy big block Mark IV
    Engine Size6.5L/396
    Application NotesFuel Delivery Sub Type: 2BBL. Powerforged 0.9897" Pin Dia. 5/64 Groove 2 Ring(s) 1 Ring(s) 3/16 Groove 1.760 CD .182 dome DUROSHIELD« skirt coated piston .030" Oversize
  • MakeCHEVROLET
    ModelBISCAYNE
    SubmodelBASE
    Beginning Year1968
    Ending Year1968
    Engine TypeV8
    Liter6.5
    CID396
    CC6489
    Engine FamilyChevy big block Mark IV
    Engine Size6.5L/396
    Application NotesFuel Delivery Sub Type: 2BBL. Powerforged 2 Groove(s) 5/64 1 Groove(s) 3/16 1.760 CD .182 dome DUROSHIELD skirt coated piston .030" Oversize
  • MakeCHEVROLET
    ModelBISCAYNE
    SubmodelBASE
    Beginning Year1968
    Ending Year1968
    Engine TypeV8
    Liter6.5
    CID396
    CC6489
    Engine FamilyChevy big block Mark IV
    Engine Size6.5L/396
    Application NotesFuel Delivery Sub Type: 2BBL. Powerforged 2 Groove(s) 5/64 1 Groove(s) 3/16 1.760 CD .182 dome DUROSHIELD® skirt coated piston .030" Oversize
  • MakeCHEVROLET
    ModelBISCAYNE
    SubmodelBASE
    Beginning Year1969
    Ending Year1969
    Engine TypeV8
    Liter6.5
    CID396
    CC6489
    Engine FamilyChevy big block Mark IV
    Engine Size6.5L/396
    Application NotesPowerforged 0.9897" Pin Dia. 2 Ring(s) 5/64 Groove 1 Ring(s) 3/16 Groove 1.760 CD .182 dome DUROSHIELD« skirt coated piston .030" Oversize
  • MakeCHEVROLET
    ModelBISCAYNE
    SubmodelBASE
    Beginning Year1969
    Ending Year1969
    Engine TypeV8
    Liter6.5
    CID396
    CC6489
    Engine FamilyChevy big block Mark IV
    Engine Size6.5L/396
    Application NotesPowerforged 0.9897" Pin Dia. 2 Ring(s) 5/64 Groove 1 Ring(s) 3/16 Groove 1.760 CD .182 dome DUROSHIELD® skirt coated piston .030" Oversize
  • MakeCHEVROLET
    ModelBISCAYNE
    SubmodelBASE
    Beginning Year1969
    Ending Year1969
    Engine TypeV8
    Liter6.5
    CID396
    CC6489
    Engine FamilyChevy big block Mark IV
    Engine Size6.5L/396
    Application NotesPowerforged 0.9897" Pin Dia. 5/64 Groove 2 Ring(s) 1 Ring(s) 3/16 Groove 1.760 CD .182 dome DUROSHIELD« skirt coated piston .030" Oversize
  • MakeCHEVROLET
    ModelBISCAYNE
    SubmodelBASE
    Beginning Year1969
    Ending Year1969
    Engine TypeV8
    Liter6.5
    CID396
    CC6489
    Engine FamilyChevy big block Mark IV
    Engine Size6.5L/396
    Application NotesPowerforged 2 Groove(s) 5/64 1 Groove(s) 3/16 1.760 CD .182 dome DUROSHIELD skirt coated piston .030" Oversize
  • MakeCHEVROLET
    ModelBISCAYNE
    SubmodelBASE
    Beginning Year1969
    Ending Year1969
    Engine TypeV8
    Liter6.5
    CID396
    CC6489
    Engine FamilyChevy big block Mark IV
    Engine Size6.5L/396
    Application NotesPowerforged 2 Groove(s) 5/64 1 Groove(s) 3/16 1.760 CD .182 dome DUROSHIELD® skirt coated piston .030" Oversize
  • MakeCHEVROLET
    ModelBROOKWOOD
    SubmodelBASE
    Beginning Year1969
    Ending Year1969
    Engine TypeV8
    Liter6.5
    CID396
    CC6489
    Engine FamilyChevy big block Mark IV
    Engine Size6.5L/396
    Application NotesPowerforged 0.9897" Pin Dia. 2 Ring(s) 5/64 Groove 1 Ring(s) 3/16 Groove 1.760 CD .182 dome DUROSHIELD« skirt coated piston .030" Oversize
  • MakeCHEVROLET
    ModelBROOKWOOD
    SubmodelBASE
    Beginning Year1969
    Ending Year1969
    Engine TypeV8
    Liter6.5
    CID396
    CC6489
    Engine FamilyChevy big block Mark IV
    Engine Size6.5L/396
    Application NotesPowerforged 0.9897" Pin Dia. 2 Ring(s) 5/64 Groove 1 Ring(s) 3/16 Groove 1.760 CD .182 dome DUROSHIELD® skirt coated piston .030" Oversize

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