Engines and Components› Pistons and Piston Rings

JE Pistons

CHEVY LS SERIES -14CC R/DOME 1.050X

$1,284.96

SKU: J001 K454X05

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Professional / shop required

Description

The JE Pistons K454X05 is a forged piston set for GM LS/LSX engines, featuring a 10.3:1 compression ratio, 4.005 bore, and -14.0cc dish top for 4.100 stroke and 6.125 rod length. Made from 2618 alloy with ArmorGlide skirt coating and premium rings (1.2, 1.2, 3mm). Valve pockets are compatible with LS1, LS2, LS3, LS6, LS92 cylinder heads. A wrist pin upgrade is recommended for over 700HP.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandJE Pistons
Part NumberJ001 K454X05

Videos

StreetLegalTV.com-JE Pistons with their latest LS series

StreetLegalTV.com-JE Pistons with their latest LS series
Installing Gen 4 pistons and rods in our 5.3 LS along with gaping the rings and Cam installation.

Installing Gen 4 pistons and rods in our 5.3 LS along with gaping the rings and Cam installation.

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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