help with battery hold down

[billssuperbird]

does a superbird battery hold down use nuts or wing nuts.

[nascarxx29]

 69 daytona used wingnuts 70 superbird I think not

[billssuperbird]

thank you for your help.

[gtx6970]

1/4-20 thread pitch, black phosphate with 1" conical washer

[billssuperbird]

thanks for all the help.