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Contact us in Jacksonville, Arkansas, for GM vehicle engine wiring harness, air intake system, throttle body spacer, computer programming and other performance parts.

Home | Wiring Harness | Computer Programming | Air Intake System | Throttle Body Spacer | Manifold Spacer | Valve Cover Riser | Coil Covers | Online Store | Location | Contact Us | Links Superior Harness Company 3 White Fox Cove Jacksonville, AR 72076-2641 Toll Free: (866) 402-9687 Fax: (501) 982-0308