JE Pistons 323978R Pistons, Single - LS ASYM FT 3.900STRK

SKU: JEP323978R

Pistons

JE Pistons

JE Pistons 323978R Pistons, Single - LS ASYM FT 3.900STRK

SKU: JEP323978R

Pistons

Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.

We accept

Description

Pistons, Single - LS ASYM FT 3.900STRK

Part Type

Pistons

Data: v4.2 - Upd: 2026-10-14 11:07:28

Specifications

Product Attributes - Brand: JE Pistons
Product Attributes - Manufacturer's Part Number: 323978R
Product Attributes - Part Type: Pistons
Product Attributes - UPC: 193564207937
Product Attributes - Piston Rings Included: No
Product Attributes - Bore (in.): 4.000 in.
Product Attributes - Bore (mm): 101.600mm
Product Attributes - Stroke: 3.900 in.
Product Attributes - Engine Stroke Type: Stroked
Product Attributes - Actual Engine Displacement: 6.4L/392
Product Attributes - Rod Length: 6.125 in.
Product Attributes - Piston Style: Flat top, with two valve reliefs
Product Attributes - Piston Material: Forged aluminum
Product Attributes - Compression Height (in.): 1.165 in.
Product Attributes - Piston Head Volume (cc): +5.00cc
Product Attributes - Wrist Pin Style: Press-fit or floating
Product Attributes - Wrist Pin Retainers Included: Yes
Product Attributes - Wrist Pin Included: Yes
Product Attributes - Pin Diameter (in.): 0.927 in.
Product Attributes - Piston Ring Thickness: 1.20mm x 1.50mm x 3.00mm
Product Attributes - File Fit: No
Product Attributes - Gapless: No
Product Attributes - Top Ring Thickness: 1.2mm
Product Attributes - Second Ring Thickness: 1.5mm
Product Attributes - Oil Ring Thickness: 3.0mm
Product Attributes - Remanufactured: No
Product Attributes - Quantity: Sold individually.
Product Attributes - Notes: For the right side of the engine. Made from 2618 alloy forged aluminum.

Reference Information

Brand Name/s	JE Pistons
StreetFX SKU	jep323978R
SFX Item ID	4800765
Supplier Item Code	4800765
Manufacturer SKU	323978R
Manufacturer UPC	193564207937
Alternative References	3.900STRK

Compatibility

Application Data

Make CHEVROLET
Beginning Year 1999
Ending Year 2007
Engine Type V8
Engine Family CHEVY SMALL BLOCK GEN III/IV LS V8 GAS
Engine Size 6.0L/364
Make CHEVROLET
Beginning Year 2005
Ending Year 2019
Engine Type V8
Engine Family CHEVY SMALL BLOCK GEN III/IV LS V8 GAS
Engine Size 6.0L/364