Ignitions and Electrical› Wiring Harnesses

PSI Conversions

Optispark Extension Harness, 14-Inch

$34.99

SKU: HAR-1011

In Stock
In Stock
Ships by Sep 12
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Overview

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.
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The PSI Conversions Optispark extension harness is a 14-inch plug-and-play wiring solution designed specifically to extend the connection on 93-94 Gen 2 LT engines equipped with a vented Optispark system using the short connector. It is compatible with 93-94 Camaro, Corvette, and Firebird models, offering a reliable, direct-fit solution without requiring any harness modifications. Built for durability in high-heat under-hood environments, each harness is constructed using high-temp TXL (cross-linked polyethylene) wire and features genuine GM Delphi components. This design ensures consistent electrical connectivity for your ignition system, providing a robust, factory-style replacement or extension.

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

BrandPSI Conversions
Part NumberHAR-1011
CategoryIgnitions and Electrical

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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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