XR Series ignition coil set for '99-'07 GM 4.8, 5.3 and 6.0 trucks provides up to 15-20% more energy over stock ignition coils.Built from ultra-pure copper alloy windings, our coils have been tested to 8,000+ RPM and 1,500 HP.
- Category:
- Ignition>Stock Replacement Ignition
- Core:
- N
- LTL:
- N
- MPN:
- 30387-8
- Proposition 65:
- Y
- Special Order:
- Y
