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Holley EFI

Holley EFI Igntion Coil Remote Relocation Bracket, Silver Finish, Pair

Gen II Coil Body, Remote Relocation System - Natural Finish

Part # 561-121 Be the first to write a review
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Holley is pleased to announce the arrival of our remote coil relocation brackets for all existing LS coil models, as well as for Holley EFI SmartCoils. These brackets are fabricated from lightweight aluminum and allow users to discreetly remote mount their LS engine coils at a location of their choice. Each kit was custom designed based on the specific coil model to ensure that the coils will mount as compactly as possible â€" size and shape between each kit will vary depending on the coil being used. Each kit includes two coil dependent mounting brackets (available in both natural aluminum and black) and mounting hardware for each coil.


  • Eliminates OE Coil-on-Cover clutter
  • Designed to custom fit all LS Ignition coil models
  • Fabricated from lightweight aluminum
  • Includes coil mounting hardware
  • Sold as a pair – Coils not included
  • Available in Black & Natural

About Holley EFI

Holley is the new standard in EFI! Whether you're engine swapping your classic car or need to manage 4000 horsepower in your twin-turbocharged drag radial race car, Holley EFI has the solutions you need to get your project up and running better than ever!

Brand Holley EFI
Coil Spacing0.904" / 22.95mm
Coil TypeGen II LS Coil / D585
Dimension Aw/ Coils: 12.3" L x 4.1" W x 2.25" H
Dimension BBracket Only: 12.3" L x 1.6" W x 1" H
Emission Code5
Hardware IncludedYes
Product TypeCoil Bracket
Thread SizeM5 x 0.8 x 20mm
Part Number561-121

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

Vehicle Applications: - 99-06 Chevy, Cadillac, GMC Trucks w/ 4.8L, 5.3L, 6.0L Engines - 03-06 Hummer H2 w/ 6.0L Engines VIN Designation Z, N, T, V, U, B, P
Coil Reference Numbers: GM: 19005218 AC Delco: D585 MSD: 8263 / 82638 Accel: 140040ACC

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