MAS Ignition Coils UF303 With ACDelco Spark plugs Replacement compatible with Chevy Trailblazer Colorado Buick Rainier GMC Canyon Envoy Hummer H3 Isuzu Olds Saab 2.8L 3.5L 4.2L (6)
- Iridium is the latest in spark plug technology and is an exact replacement for vehicles' original componentsá.
- Iridium composition provides a high melting point and great strength, helps to provide excellent wear resistance and durability.
- Iridium offers excellent engine idle stability, reliable cold starting, quick acceleration and smooth performance.
- Three Piece Fired in Suppressor seal meters spark energy for long electrode life, helps prevent combustion leakage and helps block radio frequencies that can affect vehicle electronics.
- Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.
- ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
- GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle.
- GM regularly updates production and service part designs to integrate new materials and technologies.