Heli-Coil R5326-14S-6 Spark Plug Thread Repair Insert 14mm x 1.25 Short Reach

The Heli-Coil R5326-14S-6 Sav-A-Thread insert provides a permanent solution for repairing damaged spark plug threads in aluminum cylinder heads. These precision-engineered thread inserts restore stripped or worn 14mm x 1.25 threads to original specifications, eliminating the need for costly head replacement or oversized spark plugs.

Key Features:

• 14mm x 1.25 thread size for standard spark plug applications
• Short reach design for shallow spark plug wells
• Manufactured from corrosion-resistant stainless steel
• Creates stronger threads than the original tapped hole
• Withstands high temperatures and combustion pressures
• Package includes 6 replacement inserts

Heli-Coil Sav-A-Thread inserts are the industry standard for spark plug thread repair, trusted by professional mechanics and engine builders. These inserts install using the appropriate Heli-Coil tap and installation tool (sold separately). Once installed, the insert provides a permanent repair that distributes stress evenly across all thread engagement points, preventing future thread damage.