Applications include: BMW, Ford, Mazda, Saab, Volvo etc. Thread size: M10, Pitch: 1.5, Hex: 17mm. Suitable for use with exhaust manifold studs: Part Nos. 35423 (M10 x 1.5 x 38mm), 35425 (M10 x 1.5 x 40mm) and 35427 (M10 x 1.5 x 52mm). Included in mixed set of manifold nuts and studs, Part No. 37657.