Holley EFI HP Smart Coil Ignition Harness Youth Underwear 2005-2009 GMC Envoy

2005-2009 GMC Envoy

Not legal for sale or use on pollution-controlled motor vehicles

Lower Intake Air Temperature:

120 Series garments have a shiny

1968-1974 Chevrolet K10 Pickup

Holley EFI HP Smart Coil Ignition Harness Youth Underwear 2005-2009 GMC EnvoyHP 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