Hardware and Service Supplies

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

$449.95

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

$449.95

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

$375.95

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

$374.95

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

$136.95

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

$115.95

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

$83.04

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

$143.95

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

$120.95

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

$119.95

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

$197.95

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

$176.95

Flex Wire Cover And Tie Kit; 1/4 in. x 10 ft.;These Mr. Gasket flexible tubing and tie strap kits ar..

$9.02

Flex Wire Cover And Tie Kit; 3/8 in. x 12 ft.; [Available While Supplies Last];These Mr. Gasket flex..

$7.43

Flex Wire Cover And Tie Kit; 1/2 in. x 6 ft.; Black;These Mr. Gasket flexible tubing and tie strap k..

$9.60