The product is a set of 4 Bosch spark plugs with the manufacturer part number 0242232803. These spark plugs have an electrode gap of 0.9 mm, a spark position of 5 mm, and a thread length of 19 mm. They are designed with a thread size of M 14 x 1,25 and a tightening torque of 28 Nm. The spark plugs come in a kit, with a reference OE/OEM number of BOSCH: 0241232811, 0242232504, WR78, and VW: KS90578053. They are considered premium quality and are suitable for vehicles with a 4-pole connector.