JE Pistons 15 Degree LS1 Series 312108R Pistons, Single - LS ASYM DM 4000STRKR

SKU: JEP312108R

Pistons

JE Pistons

JE Pistons 15 Degree LS1 Series 312108R Pistons, Single - LS ASYM DM 4000STRKR

SKU: JEP312108R

Pistons

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 10:59:43

Specifications

Product Attributes - Brand: JE Pistons
Product Attributes - Manufacturer's Part Number: 312108R
Product Attributes - Part Type: Pistons
Product Attributes - Product Line: JE Pistons 15 Degree LS1 Series Pistons
Product Attributes - UPC: 193564206718
Product Attributes - Piston Rings Included: No
Product Attributes - Bore (in.): 4.030 in.
Product Attributes - Bore (mm): 102.362mm
Product Attributes - Stroke: 4.000 in.
Product Attributes - Engine Stroke Type: Stock
Product Attributes - Actual Engine Displacement: 6.7L/408
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.): 1.115 in.
Product Attributes - Piston Head Volume (cc): -4.30cc
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 right side exhaust valve orientation.

Reference Information

Brand Name/s	JE Pistons
StreetFX SKU	jep312108R
SFX Item ID	4808340
Supplier Item Code	4808340
Manufacturer SKU	312108R
Manufacturer UPC	193564206718
Alternative References	LS1, 4000STRKR

Compatibility

Application Data

Make CHEVROLET
Beginning Year 1997
Ending Year 2004
Engine Type V8
Engine Family Chevy small block Gen III/IV (LS-based engines)
Engine Size 5.7L/350
Application Notes This is a rightt side replacement piston.
Make CHEVROLET
Beginning Year 2005
Ending Year 2014
Engine Type V8
Engine Family Chevy small block Gen III/IV (LS-based engines)
Engine Size 5.3L/325
Application Notes This is a rightt side replacement piston.
Make CHEVROLET
Beginning Year 2005
Ending Year 2019
Engine Type V8
Engine Family Chevy small block Gen III/IV (LS-based engines)
Engine Size 6.0L/364
Application Notes This is a rightt side replacement piston.