Looking to restore lost performance and enhance ignition efficiency on your Mercury outboard? The Blue 8mm High-Performance Ignition Cables from Buckshot Racing #77 are the ultimate upgrade for Mercury Racing, Mariner, and Pro XS outboards, replacing multiple Mercury OEM ignition components with superior durability, conductivity, and heat resistance.
 
Your ignition system is critical to engine power and fuel efficiency. Old or low-quality ignition cables can cause misfires, power loss, and rough idling, limiting your outboard’s potential.
 
✅ Direct Fit for Spark Plug Wires with Part Numbers 84-881908T, 821945T65, 821945T74, 30009-6, S18-28086, and more.
✅ Maximum Spark Energy Transfer – Improves combustion efficiency for better power and fuel economy
✅ High-Temperature Resistance – Built to withstand extreme marine conditions in racing and offshore environments
✅ Low Resistance Core – Ensures consistent voltage delivery for peak ignition performance
✅ Heavy-Duty Silicone Jacket – Provides abrasion and corrosion resistance, extending cable lifespan in harsh saltwater conditions
 
The Buckshot Racing #77 Spark Plug Ignition Cables are engineered for Mercury 2-stroke outboards featuring a double boot design, where the coil terminal resembles the spark plug tip, ensuring a perfect fit and optimal performance.
 
Our spark plug ignition wires are ideal for:

✔ Mercury Racing 225X, 280 Consumer, 280 ROS, 300 ProMax, 300X, and 300XS
✔ River, Lake, and Offshore Racing Boats
✔ Bass Boats & High-Performance Mercury Racing Engines
 
Compatible Mercury Marine, Consumer, Offshore, Racing & Mariner 2-Stroke Outboards, High-Performance, and Racing motors including:
 
300 HP XS 6-Cylinder (3.2L)
250 HP XS 6-Cylinder (3.0L)
250 HP Pro XS 6-Cylinder (3.0L)
225 HP Sport XS 6-Cylinder (2.5L)
225 HP Pro XS 6-Cylinder (3.0L)
225 HP 6-Cylinder (3.0L)
200 HP XS 6-Cylinder (2.5L)
200 HP 6-Cylinder (3.0L)
175 HP V6 Cylinder (2.5L)
150 HP V6 Cylinder (2.5L)
135 HP V6 Cylinder (2.5L)
60 HP EFI SeaPro 4-Cylinder
60 HP EFI 4-Cylinder
50 HP EFI 4-Cylinder
40 HP EFI 4-Cylinder
40 HP EFI 3-Cylinder
30 HP EFI 3-Cylinder
 
This fitment includes a wide range of high-performance, offshore, and consumer models, ensuring reliable performance across multiple applications.
 
Don’t let weak ignition cables limit your engine’s potential. Upgrade to Buckshot Racing #77 High-Performance Ignition Spark Plug Wires for consistent spark energy, improved throttle response, and enhanced fuel efficiency on the water.
 
Select your wire count at check-out!
 
2-Cylinder: $30.00 a set
3-Cylinder: $40.00 a set
4-Cylinder: $50.00 a set
6-Cylinder: $75.00 a set
 
For technical support contact Mike Hill at mike@buckshotracing77.com or call +1-714-697-1716