MCS-504105 - Zinc plated. Complete kit to replace all studs in 1 cylinder head of 66-84 Shovel models. Kit includes 1 motor mount stud and 1 extra short rocker box stud. Replaces 17506-66A (long stud); 17508-66A (short stud) and 16864-48 (motor mount stud). Note: Or

Fitment:
66-84 Shovelhead (NU)