HOME ALL NEW ARRIVAL TOP SALE OTHER CATEGORIES All OTHER STORE NEWSLETTER Add my Store to your Favorites and receive my email newsletters about new items and special promotions! RECOMMANDATION 3/8 Rocker Arm Studs & Guide Plate Kit for SBC Small Block Chevy 305, 307, 327 click thumbnails above to enlarge DESCRIPTION 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 3/8" rocker arms. This kit can be used in many small block Chevy 262, 265, 267, 283, 302, 305, 307, 327, 350 and 400 V8 engines. Guide Plate Details: Part Number: GP103S Stud Hole Size: 7/16" Push Rod Slot Size: 5/16" Material: Heat Treated Steel Rocker Stud Specifications: Part Number: RDS2920 Material: 190,000 PSI Alloy Steel (A) 2.425" Overall stud length (B) 1.725" Stud height (C) 0.700" Screw-in thread depth (D) 0.875" Adjuster thread depth (E) 3/8"-24 Fine thread (F) 7/16"-14 Coarse thread