TooHighPsi

KATANA Port Injection Plates

$719.95

SKU: THP-01123-01

In Stock
In Stock
Ships by Aug 31
Free Shipping over $200
$100 Minimum Order
30 Days Return

Description

The TooHighPsi KATANA Port Injection Plates are precision-engineered billet aluminum components designed for GM LTX and L8X engines. These plates allow enthusiasts to integrate supplemental port injection into Gen V engine setups, which is critical for meeting the increased fuel demands of high-horsepower builds. Installation requires a comprehensive understanding of the vehicle's fuel system. These plates serve as a foundational component for supporting auxiliary fuel systems, and users should ensure they are running an auxiliary low-side fuel system to support the added fueling capacity. Due to the nature of these performance components, proper tuning and secondary fuel management hardware are necessary for correct operation.

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.

Available on iOS & Android

Specifications

BrandTooHighPsi
Part NumberTHP-01123-01
CategoryAir and Fuel

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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.

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