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Ignitions and Electrical› Computers, Chips, Modules and Programmers
GM Performance
MODULE KIT
SKU: G03V 19354342
Advanced — 4+ hours
Overview
Designed for custom installations and engine swaps, this controller kit ensures precise fuel and spark management for the LSX 454. It is calibrated for use with an automatic transmission, supporting complex EFI requirements in various vehicle platforms where the LSX 454 is integrated.
Installation requires professional automotive knowledge, particularly in wiring harness routing and sensor calibration. It is essential to ensure that all factory harness connections are secure and that oxygen sensors are placed according to the included instructions to maintain optimal engine performance. Reuse of any additional vehicle-specific brackets or cooling components may be necessary depending on the chassis configuration.
This kit is inherently versatile, serving as a critical component for engine conversions rather than a replacement part for a specific vehicle model. Its compatibility is tied to the LSX 454 engine platform and automatic transmission setups; therefore, it will not fit applications utilizing other engine architectures or manual transmissions without significant modifications or re-calibration.
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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
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Specifications
| Brand | GM Performance |
| Part Number | G03V 19354342 |
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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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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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