Notes: 130281 STUD ACCIAIO CL. 8.8 UNI EN 20898 B6- CA is original CARRARO product. 130281 STUD ACCIAIO CL. 8.8 UNI EN 20898 B6- CA5 is commonly used in transmissions/axles/engines 132400, 132401, 133979, 137372, 140357, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849