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JE Pistons

JE Pistons

JE Pistons 15 Degree LS1 Series 312101L Pistons, Single - LS ASYM DOME

SKU: JEP312101L

Pistons
JE Pistons 15 Degree LS1 Series 312101L Pistons, Single - LS ASYM DOME
JE Pistons

JE Pistons

JE Pistons 15 Degree LS1 Series 312101L Pistons, Single - LS ASYM DOME

SKU: JEP312101L

Pistons
A$512.33
BACKORDER This item will be special ordered in for you. Contact us prior to purchase if you require an ETA.
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Description

JE Pistons 15 degree LS1 series pistons are designed for stock rods (.945 in. diameter wrist pin) or aftermarket/small block Chevy (.927 in. diameter wrist pin) connecting rods. They have a flat top design that achieves compression ratios suitable for normally aspired applications and are machined for 1.5, 1.5, 3.0mm rings.

Part Type

Pistons

Data: v4.2 - Upd: 2026-10-14 11:05:06

Specifications

Product Attributes - Brand
JE Pistons
Product Attributes - Manufacturer's Part Number
312101L
Product Attributes - Part Type
Pistons
Product Attributes - Product Line
JE Pistons 15 Degree LS1 Series Pistons
Product Attributes - UPC
193564207449
Product Attributes - Piston Rings Included
No
Product Attributes - Bore (in.)
4.130 in.
Product Attributes - Bore (mm)
104.902mm
Product Attributes - Stroke
3.622 in.
Product Attributes - Engine Stroke Type
Stock
Product Attributes - Actual Engine Displacement
6.4L/388
Product Attributes - Rod Length
6.125 in.
Product Attributes - Piston Style
Dome, with two valve reliefs
Product Attributes - Piston Material
Forged aluminum
Product Attributes - Compression Height (in.)
1.304 in.
Product Attributes - Piston Head Volume (cc)
-8.30cc
Product Attributes - Wrist Pin Style
Press-fit or floating
Product Attributes - Wrist Pin Retainers Included
No
Product Attributes - Wrist Pin Included
No
Product Attributes - Pin Diameter (in.)
0.927 in.
Product Attributes - Piston Ring Thickness
0.047 in. x 0.059 in. x 0.118 in.
Product Attributes - File Fit
No
Product Attributes - Gapless
No
Product Attributes - Remanufactured
No
Product Attributes - Quantity
Sold individually.
Product Attributes - Notes
Fits left side exhaust valve orientation.

Reference Information

Brand Name/s JE Pistons
StreetFX SKU jep312101L
SFX Item ID 4803207
Supplier Item Code 4803207
Manufacturer SKU 312101L
Manufacturer UPC 193564207449
Alternative References LS1

Compatibility

Application Data
  • MakeCHEVROLET
    Beginning Year2006
    Ending Year2015
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size7.0L/427
    Application NotesThis is a left side replacement piston.

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