Time-Sert 4212-125 M12 x 1.25 Metric Spark Plug Thread Repair Kit



The Time-Sert 4212-125 spark plug thread repair kit is commonly used on Harley Davidson and other motorcycles.

The Time-Sert 4212-125 kit includes 6 inserts of which (2) 9mm, (2) 15mm and (2) 17.5mm reach.

Additional inserts can be purchased here.

This spark plug thread repair kit is for first time thread repair only.

Click Here For Instructions

Click here: for video instructions

Order Washer Seat Inserts Click Here

Get Useful Tools, Tap Guides, and More Click Here

Additional information

Weight 2 lbs
Dimensions 6 × 4 × 2 in


There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.