This listing is for a brand new set of flat style guide plates for 5/16" diameter pushrods that are made in the USA by Comp Cams. Set includes eight guide plates to do one pair of heads. 

Guide Plate Details:

• Part Number: 4808-8
• Stud Hole Size: 7/16"
• Push Rod Slot Size: 5/16"
• Material: Heat Treated Steel

They are used on  262, 265, 267, 283, 302, 305, 307, 327, 350 and 400 small block Chevy V8 engines with 5/16" diameter push rods and screw-in style rocker studs with hex-head shoulders.

More sizes and styles available in my eBay store.