Spanner Size: 14 mm Thread Size: M12 x 1.25 Thread Length: 23.7 mm Spark Plug: with gasket seat, Iridium Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, Fixed SAE connector Spark Position: 8.7 mm Version: Bi-Hex Spanner Size: 14 mm Original NGK Laser Iridium with Platinum Electrode spark plug set of 8pcs used in Mercedes-Benz M157,...

Package contains: 8 pistons with rings, pins Cyl.Bore: 92.90mm is STD Compression Height: 32.3mm Length: 53.3mm Recess Depth: +2.5/-2.7mm Recess Diameter: 56.8mm Bolt d.: 24.0mm Bolt Length: 56.0mm Info: Top and 2nd ring lands anodized, skirt MoS2 treated, fits tapered connecting rod Piston rings: 1.20x1.50x2.00mm

Contains: for 8cyl. Bore: 92.90mm Top ring: 1.20mm 2nd ring: 1.50mm 3rd ring: 2.00mm

Crankshaft: 51.943 / 51.963mm Housing: 55.598 / 55.613mm Max Wall Thickness: 1,811mm Max Length: 19,599mm Quantity: 8