S&S, 53-84 Hydraulic Tappet Set. Standard for Harley Davidson

Genuine replacement hydraulic tappet set, for use as a genuine replacement for all 53-84 BT models
Precision machined direct replacement tappet body, complete with premium hydraulic units.
Replace 18522-53A (tappet) + 17920-53A (hydraulic unit).
Note: For replacement parts, see tappet body 512833, hydraulic unit 512886, and tappet roller kit 512887.

Fits: > 53-65 Panhead; 66-84 Shovelhead