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558-312 | HP SMART COIL SUB HARNESSES
558-312 | HP SMART COIL SUB HARNESSES
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558-312 | HP SMART COIL SUB HARNESSES

Holley EFI - 558-312

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$223.00$199.95
Holley EFI
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  • Brand:: Holley EFI
  • Category: Service Parts
  • Product Code: HFI-558-312
  • SKU: HFI-558-312
  • UPC: 90127688120
  • MPN: 558-312
  • Dimensions (L x W x H): 10.00in x 10.00in x 2.00in
  • Weight: 2lb
  • Some orders may require up to a 6 week lead time
  • local_offerDiscount 10%
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HP Smart Coil ignition sub-harness. Includes a pair of coil harnesses for an 8 cylinder engine. These harnesses are similar in design to factory GM LSx coil harnesses, but plug into Holley HP Smart Coils. They plug into Holley LSx plug and play main harnesses if one wants to replace factory LSx coils with Holley HP Smart Coils. If using a non-LSx main harness, purchase PN 558-307 for connectors, wiring, terminals to connect directly to a Holley HP or Dominator ECU

Features:

  • Includes a pair of coil harnesses for an 8 cylinder engine
  • Similar to factory GM LSx coil harnesses
  • For use with Holley HP or Dominator ECUs
BrandHolley EFI
Emission Code3
Harness ApplicationUniversal
Harness TypeIgnition
Product TypeDistrutorless Ignition - DIS - smart coil
Part Number558-312
local_offer:  558-312, hp, smart, coil, sub, harnesses, holley, efi, service, parts, 090127688120