Replacement Crankpins for S&S® Connecting Rods for 1936–'84 OHV Big Twins. Standard and Oversize.
| Replacement Crankpins for S&S® Connecting Rods for 1936–‘84 OHV Big Twins |
| Model Year |
Standard (1.249") |
+.001" (1.250") |
+.002" (1.251") |
+.003" (1.252") |
| 1937-’53 * EL, and 1940-’48 UL/ULH models* |
34-2001 |
– |
– |
– |
| 1941-Early 1981 |
34-2003 |
34-2007 |
34-2008 |
– |
| Late 1981-1984 |
34-21021
|
34-2103 |
34-2105 |
34-2106 |
| Late 1981-1984 (Special)** |
34-2107 |
– |
34-2109 |
– |
| 1941-Early 1981 (Special)** |
34-2009 |
34-2010 |
– |
– |
| *Stepped crankpin for 1936-’52 (61”) engines with stock flywheels. ** S&S Retro engines with 1984-’99 style top end. NOTE: Diameters listed are nominal and it is the engine builders responsibility to confirm correct running clearances when fitting rods to crankpins. |
1S&S Cycle 34-2102 is a direct replacement for Harley-Davidson® part number 23961-80A.
Note: All reference to H-D® part numbers is for identification purposes only. We in no way are implying that any of S&S Cycle's products are original equipment parts or that they are equivalent to the corresponding H-D® part number shown.
