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Looking For a premium quality replacement coil harness for your street car or race car build? This harness is plug and play for most Holley EFI or Big Stuff 3/4 ecu/systems! This is a BIG WIRE kit! Hightlights: High Quality GXL/TXL wiring New style coil connectors with boots DTP Connectors for Power/Ground DTPHD single wire connectors for cylinder head grounds for quick & easy engine removal without having to unbolt ground eyelet Large gauge power & ground wire Coil NUMBER will be ETCHED on each connector for easy identification! Please include notes in order for custom fitment Other coil harnesses available, please email us regarding those! Each harness is custom made to your requests! Please allow 7-10 days for harness building before it ships! Package Includes: (1x) Complete Custom hand made, plug-and-play coil harness COILS & BRACKETS NOT INCLUDED!
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We currently ship within the US, with more countries coming soon.
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🇺🇸 Ship from USA · On Agora since 2026
$749.95