Sign Up to Get
10% Off Your Next Order!
+ 500 FREQUENT BUYER POINTS
Be among the first to receive Weekly Specials & OPGI News.
10% off restoration parts only. 500 Frequent Buyer Points added after promotional order ships. See welcome email for full details.
Sign up for texts from OPGI, and get all our best offers and more!
By subscribing to OPGI text messaging at 80205, you agree to receive recurring autodialed marketing text msgs (e.g. cart reminders) to the mobile number used at opt-in. Consent is not a condition of purchase. Msg frequency may vary. Msg & data rates may apply. Reply HELP for help and STOP to cancel. See Terms and Conditions & Privacy Policy.
ADDED TO YOUR CART!
Relay, H-4 Headlight Conversion, Painless Performance, Quad Harness
ADDED TO YOUR WISHLIST!
This harness is designed to provide your quad H-4 headlight system with consistent battery voltage. Amperage is sourced directly from the battery instead of the headlight switch. This results in brighter headlight beams.
This kit includes: Two 40 Amp weatherproof relays Two weatherproof relay bases with harness Mating connectors to factory headlights and harness Mounting hardware
Find parts that fit your vehicle
Early Black Friday!