Tall valve covers bought to use with 1.6 roller rockers. Went in a different direction. New, Chrome perimeter hold down bolt. Was going to use with edelbrock e-tec 170.
Heads that can use center bolt or perimeter style hold down bolts. CHECK OUT MY LISTING FOR EDELBROCK E-TEC 170 ALUMINUM HEADS. Includes 8 anodized red hold down bolts/ studs (new).