These forged pistons for 4-1/8" bore S&S T-Series and V-Series engines for Harley-Davidson® motorcycles. The 92-1556 series is used in 124" engines.
| 4 1/8" BORE PISTONS FOR 124" BIG BORE KITS |
| Forged Piston Kits |
| Heads |
Deck Height |
Stroke |
Piston Type |
Standard |
+.010" |
+.020" |
+.030" |
| S&S 89cc/91cc |
1.050" |
4 5/8" |
Flat topped |
92-1556 |
92-1557 |
92-1558 |
92-1559 |
