This listing is for a brand new rocker arm stud and guide plate kit from Elgin Industries. Kit includes 8 guide plates and 16 rocker arm studs. The guide plates are the flat style for 5/16″ diameter pushrods. The rocker arm studs are the screw in style with shouldered heads and fit 7/16″ rocker arms. 2.560″ Overall stud length 1.765″ Stud height 0.795″ Screw-in thread depth 0.890″ Adjuster thread depth 7/16″-20 Fine thread 7/16″-14 Coarse thread This kit can be used in many small block Chevy 262, 265, 267, 283, 302, 305, 307, 327, 350 and 400 V8 engines.

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