Holley EFI - For use with Holley® HP and Dominator ECUs and other EFI systems 3 - Fire Retardant Cotton

3 - Fire Retardant Cotton - Black - X-Large - Each

Carburetor Inlet Fitting - Straight - 8 AN Male to 10 AN Male Outlet - 3 in Long - Aluminum - Black Anodized - Holley Carburetors - Pair

Fuel Rail - Pro-Flo XT - Hardware Included - Aluminum - Black Anodized - Edelbrock Pro-Flo XT EFI Manifold - Big Block Chevy - Kit

Tire Pressure Relief Valve - 5/8 in Wheel Hole - Aluminum - Black Anodized - Schrader / Tire Pressure Relief Valves - Set of 4

Introducing our new Outlaw Extreme Cat-back system for the 2014-2019 GM Silverado/Sierra 1500 with the 4

Holley EFI - For use with Holley® HP and Dominator ECUs and other EFI systems 3 - Fire Retardant CottonHP 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