Starter Boost Relay. Fits Big Twin & Sportster 1980-2021.
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- Estimated Delivery : Up to 4 business days
- Free Shipping & Returns : On all orders over $200
Features & Benefits:-
* Our Starter Boost Relay provides full battery voltage to the coil during cranking, eliminating the 1-2 volt drop through the wiring harness in single-fire applications.
* Makes start-up quicker & easier, especially with high-compression or stroker engines.