Hardware and Service Supplies

LS1 MAIN HARNESSHolley products have been the undisputed leader in fuel systems for over 100 years. ..

$435.95

LS2 MAIN HARNESSHolley products have been the undisputed leader in fuel systems for over 100 years. ..

$435.95

UNIVERSAL MPFI MAIN HARNESSHolley products have been the undisputed leader in fuel systems for over ..

$364.95

UNTERMINATED MAIN HARNESSHolley products have been the undisputed leader in fuel systems for over 10..

$363.95

V-8 INJECTOR HARNESSV8 over Manifold, Bosch Style Connector HarnessV8 Over ManifoldBosch Style Conne..

$132.95

LS INJECTOR HARNESSHolley products have been the undisputed leader in fuel systems for over 100 year..

$111.95

UNIV. 4 CYL. INJ HARNESSThis is a replacement 8 cylinder injector harness. It connects the main harn..

$80.62

UNIV. UNTERMINATED INJ HARNESSThis is a replacement 8 cylinder injector harness. It connects the mai..

$138.95

INJECTOR HARNESS; V8 EVENLY SPACED USCARAn Injector Harness is required and Holley offers two. The h..

$116.95

INJECTOR HARNESS; FORD; USCAR; EVENLY SPACEDLooking for a plug and play kit for your Ford Modular en..

$115.95

4L60/80 TRANS HARNESSThis is a replacement 8 cylinder injector harness. It connects the main harness..

$191.95

GM DBW HARNESSGM drive by wire harness-complete terminated harness with J3 connector to operate late..

$170.95

WIRE COVER KIT 10ft.L X 1/4in. BLKThese Mr. Gasket flexible tubing and tie strap kits are designed t..

$8.59

LTS WIRE COVER KIT 8ft.L X 3/8in. BLUThese Mr. Gasket flexible tubing and tie strap kits are designe..

$7.43

WIRE COVER KIT 6ft.L X 1/2in. BLCKThese Mr. Gasket flexible tubing and tie strap kits are designed t..

$9.14