Originally Posted By Sammy
Originally Posted By Cab_Burge
They may be 12 point 11/32 head size scope
The 12 point nuts on 1/4 inch studs I use for valve covers use that size shruggy



All Indy valley trays and intake tops use only 1/4-20 12 point bolts



Not mine. lol. I make my stuff easy to work on so for applications like that hex head bolts work great.

1970 Duster
Edelbrock headed 408
5.984@112.52
422 Indy headed small block
5.982@112.56 mph
9.42@138.27

Livin and lovin life one day at a time