3/8″ – 16 TPI x 1.2″ length Time-Sert Kit for JSM kit #1 Molnar head bolts with US thread.

$199.00

Be sure to see the video and make the nut with a lip to fully install the Time-Sert.   Hole and threads must be deep enough before installing insert.

Time-sert part #s

3/8-16 x 1.200 kit 03817

Time-Sert installation video