- Cam Cover Screw, Tappet Guide, Oil Pump Stud and Timer Mounting Threads
- Applications: JD, VL, UL, Knucklehead. DL, RL, WL, Servi-car. Panhead. Shovelhead. Sportster.
- Length - .500
- Tap Part No. - 429-4-3
- Installation Tool Part No. - 3010-4
- Insert Package Part No. - R389-4
- Drill Size - 17/64" (Drill bit not included.)
- 12 Inserts Per Kit
Heli Coil 5540-4 Harley Davidson Thread Repair Kit - Thread Size 1/4-24
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