The price is for a complete set. Products costing $349 are for 4 cylinder engines (hence 4 coil packs) whereas those costing $449 are for 6 cylinder engines (more coils = greater cost).
The price is for a complete set. Products costing $349 are for 4 cylinder engines (hence 4 coil packs) whereas those costing $449 are for 6 cylinder engines (more coils = greater cost).