Cylinder Head Dowel Alignment Pin Set, 6 Piece, Steel, 0.625 in OD, 0.500 in Height, Direct Replacement for Gen 3 4 5 GM LS LT Engines and LS Swap Rebuilds, Beefed-Up Dowels for Solid Cylinder Head Alignment

High-precision cylinder head dowel pin set for GM LS engines
✔️ 6-piece steel cylinder head dowel pins, 0.625 in OD x 0.500 in H

This 6-piece cylinder head dowel alignment pin set is precision-machined steel designed to align the cylinder heads and engine blocks during GM LS/LT engine assembly. It’s a direct replacement for worn or missing dowels and is ideal for LS swap projects, engine rebuilds, and head gasket replacements to ensure a precise seal and reliable performance.

✅ 6-piece set for LS/LT Gen 3-5 engines
✅ 0.625 in OD, 0.500 in height
✅ Rust-resistant steel with precision tolerance
✅ Direct replacement for GM dowel pins (GM 12570326, 12558081 equivalents)
✅ Helps prevent gasket leaks and compression loss

💡 What is a cylinder head dowel alignment pin set used for in GM LS/LT engine builds?

It is a handy alignment tool that ensures the cylinder head sits perfectly on the engine block, improving gasket sealing and overall performance.

• Precise head-to-block alignment improves sealing and compression
• Ideal for LS swap projects and engine rebuilds
• Compatible with Gen 3-5 LS/LT engines and standard dowel pin equivalents
• Rust-resistant steel construction for durability in racing or daily use