Part number: 19231-03452, 1923103452, KB192310345, 19231-034502, 19231034502. Engine cylinder head bolts are compatible with KUBOTA: Z500, ZB500, D650, D750. Total length: 82mm, rod length: 75mm, thread length: 28mm, thread: M8x1.25, wrench size: 12mm. This product is a special cylinder head fixing bolt used to firmly press the cylinder head to the cylinder body. Made of 8.8 grade carbon steel galvanized material, it has enhanced anti-rust and anti-corrosion properties and has excellent tensile strength and thermal expansion stability., Manufacturer: LT Easiyl