US PRO Tools For repairing the glow plug mounting thread in the cylinder head. Kit includes: - Reamer for reaming the original thread - Taps for threaded sleeves - Taps for trimming the original thread - Assembly tools for inserting the threaded sleeves - 5x threaded sleeves, length 12 mm inner thread M10 x 1.0 outer thread M12 x 1.0 - 5x threaded sleeves, length 19 mm inner thread M10 x 1.0 outer thread M12 x 1.0 this job to be done with cylinder head removed from vehicle to stop Swarf entering engine. wright tools 4u has been serving the automotive industry for over 25years Please feel free to contact us with any questions
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