Standard UF575K4 OE Durability Improved Ignition Coil Kit. Huge range of parts in stock. Supplying UK, Europe & USA. Over 30,000 sq ft of parts across UK and USA. We are a UK Company. Sourcing the best brands names. Standard UF575K4 OE Durability Improved Ignition Coil Kit Features. Advanced thermoplastic coil connector ensures proper connection and resists fractures caused by heat and thermal cycling. A full E-Lam core of silicon steel and solid brass high voltage terminals protects against corrosion, preventing premature failure of ignition coils. Updated internal design addresses ...