【Vehicle Fitment】The SBC valve cover bolts compatible with chevy 283 302 305 307 327 350 383 400 engines' valve covers. (Please make sure your car model before ordering.) 【Product Size】Valve cover bolts for chevy 350 are 1/4 - 20 Thread Pitch. Bolts measure 1 3/8 IN Length, studs measure 1 1/4 IN Length. 【Durable Protection】This chrome steel hex head valve cover bolts kit offers unparalleled durability against engine heat, oil, and vibration. Valve cover bolts evenly distribute clamping force to prevent valve cover damage and ensure long-lasting leak-free seals. Engineered to be compatible with 283 302 305 307 327 350 383 400 Chevrolet engines, these components extend service life by reducing maintenance and repairs. 【Easy Installation】 valve cover bolts kits. Direct replacement for chevy 350 valve cover gasket bolts, fitment tested before shipping, no extra adjustment needed, replace directly. It can replace old or damaged parts very easily. 【Package Includes】 Set of 8 chromed steel hex head bolt kit. If the chromed steel hex head bolt ever fails on your vehicle or if you experience any issues with our products, please don't hesitate to contact us; we will work together to resolve the matter. UPC 721722887327 ASIN B0FQK6HQKZ Brand BLISSSHINE Set Name 8 pieces Head Type Hex Size Name 1/4 - 20 Metal Type Chrome Steel Part Number 100005 Thread Size 1/4 - 20 Thread Type Unc Finish Types Black Oxide Manufacturer BLISSSHINE Thread Class 1A Thread Style no Fastener Size 1/4 - 20 Fastener Type Hexagon Bolt Item Diameter 0.25 Inches Item Hardness Grade 8 Material Type chromed steel hex Exterior Finish Black Oxide Item Dimensions 1 x 1 x 1 inches Number Of Items 1 Thread Coverage Unthreaded Number of Pieces 8 Screw Head Style Hex Manufacturer Grade heavy-duty