These pistons are only recommended for use in S&S cylinders which are made with a high strength liner material. Compatible with tapered or standard rods.
| S&S® 3.927" BORE FORGED PISTONS 106" TOP END KITS |
| Displacement |
Deck Height |
Stroke |
Standard |
+.010" |
| 106" |
1.083" |
4 3⁄8" |
106-3690 |
106-4416 |
NOTE:
S&S 3.927” pistons are machined to such close tolerances that it is not necessary to measure the piston. Additionally, the low friction coating on the piston skirt makes taking measurements very difficult. Therefore, bore cylinders to nominal diameter +/- 0.0005” for correct clearance.
