4pc LS Cylinder Head Install Alignment Dowel Pin Steel LT Gen 3 Gen 4 Gen 5 LSX

Cylinder Head Alignment Dowel Pins for LS

These steel cylinder head alignment dowel pins for LS align cylinder heads to the engine block during installation.

Overview

These cylinder head alignment dowel pins for LS ensure the precise positioning of cylinder heads onto the engine block. Engineered from high-strength steel, they prevent head gasket misalignment and potential head-to-block interference during assembly. Engine builders will find these cylinder head alignment dowel pins for LS essential for completing a professional, worry-free engine rebuild.

Built For Performance

• Manufactured from heavy-duty hardened steel to resist deformation.
• Precision-ground dimensions ensure a snug, accurate fit in the block guide holes.
• Includes four pieces to fully cover both cylinder heads on V8 engines.
• Corrosion-resistant finish helps prevent seizing inside the engine block over time.

Fits These Machines

• for LS Gen 3 Engines
• for LS Gen 4 Engines
• for LT Gen 5 Engines
• for LSX Engines

On-The-Job Use

• Aligning cylinder heads during high-performance engine assembly.
• Replacing damaged or missing factory dowel pins on a cylinder block.
• Ensuring correct head gasket compression paths during head bolt torque sequences.

Specs At A Glance

Good To Know

Q: Why are these dowel pins necessary? A: They align the cylinder head to the block to ensure the combustion chambers, coolant passages, and bolt holes line up exactly.

Q: Can these pins be reused? A: While they can be reused if undamaged, installing fresh steel pins guarantees precision and prevents alignment issues.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.