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Engines and Components› Pistons and Piston Rings

KingTec Racing

EJ25 Forged Internals Kit

$799.00 $720.00 Save $79.00

SKU: KITEJ25

In Stock
In Stock
Ships by Sep 12
Free Shipping over $200
$100 Minimum Order
30 Days Return
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Overview

The KingTec Racing EJ25 forged internals kit is designed for performance applications. The pistons feature a 100mm bore and an 8.5:1 compression ratio, making them suitable for the EJ25 2.5L engine.
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The KingTec Racing EJ25 forged internals kit provides a robust solution for engine builds demanding higher performance and reliability. Expertly crafted from forged materials, these components are built to withstand the stresses of racing and high-output applications. The kit includes forged pistons with a 100mm bore and a 8.5:1 compression ratio, specifically designed for the EJ25 2.5L engine. These high-performance forged internals are ideal for enthusiasts looking to upgrade their Subaru WRX STI or Impreza engines for rally motorsport or other demanding uses. The use of forged components ensures superior strength and durability compared to OEM parts, offering a safer way to handle increased power levels. KingTec Racing is known for producing quality racing parts, with their forged pistons offering unparalleled strength and performance for racing enthusiasts and professional teams. This kit represents an upgrade for engine power and overall durability.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

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.

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Specifications

BrandKingTec Racing
Part NumberKITEJ25
CategoryEngines and Components

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Returns & Fitment

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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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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