PERFORMANCE SPARK PLUG Harley Davidson FLSTF Softail Fat Boy EFI (2008-2007) * GFRT712BR14ZCYU801 Review
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PERFORMANCE SPARK PLUG Harley Davidson FLSTF Softail Fat Boy EFI (2008-2007) * GFRT712BR14ZCYU801
1. Higher HP and torque by up to 3 %
2. increased economy by up to 5%
3. 360� Firing Technology
4. Improved acceleration by up to 15 %
5. 25,000 miles - 40,000 km duration
