SPOOL Quad-Fuel Pump Activation Harness + Relay Box
SPOOL Fuel Pump Activation Harness
Built with high-power builds in mind, the new SPOOL Fuel Pump Activation Harness is the ultimate plug-and-play solution for fueling system upgrades. Engineered to support up to four Walbro auxiliary fuel pumps, this harness is ideal for setups requiring maximum flow and reliability under extreme conditions.
Controlled via ground trigger activation, it seamlessly integrates with your vehicle’s existing systems — no custom wiring, no soldering, no guesswork. Designed primarily for BMW F and G chassis platforms, but fully compatible with virtually any application, this harness ensures consistent, dependable power delivery to your fuel pumps when you need it most.
Say goodbye to long hours of harness fabrication and connector sourcing. This kit saves over 5 hours of wiring time and eliminates the hassle of chasing down high-amp connectors. Whether you're building a high-HP street car or a dedicated track machine, this harness was built to keep up with your fueling demands.
Products received may vary slightly from images due to manufacturing tolerances or supply chain variables.
International Orders (Outside USA)
Please be aware your country may charge import fees of up to 20% in some cases. If delivery is refused, return shipping costs us 4x the original shipping fee, so we will charge a 50% restocking fee. By purchasing you agree to these terms.
Terms of Service:
By clicking purchase, you confirm you have read and agree to the TOS and Shipping & Return policies which are published at the bottom of SLRspeed.com
The Premium Suspension Company
Trusted by top racing and drifting teams worldwide.
