Ignitions and Electrical› Wiring Harnesses

PSI Conversions

Optispark Extension Harness, 14-Inch

$34.99

SKU: HAR-1011

In Stock
In Stock
Ships by Jul 29
Free Shipping
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The PSI Conversions Optispark extension harness is a plug-and-play wiring solution designed to extend the ignition connection for 93-94 Gen 2 LT engines. This 14-inch extension features high-temp TXL wire and genuine GM Delphi components to ensure reliable performance.

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

BrandPSI Conversions
Part NumberHAR-1011
CategoryIgnitions and Electrical

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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