8 chrome plated grade 5 hex nut valve cover nuts with an acorn head work in conjunction with 8 studs to secure bolt perimeter bolt style valve covers on Chevrolet small block V8s. Works with both stamped steel and cast aluminum valve covers.
Includes: (8) 1/4 inch-20 x 1-3/8 inch acorn head nuts, (8) 1/4 inch-20 x 7/8 inch studs