Prices on site not guaranteed, check with MTC before ordering
| YEARS | 1999-2006 |
| STROKE | 4 IN |
| KIT CONTAINS | 2 PISTONS, RINGS, CLIPS, AND WRIST PINS |
| VALVE SIZE | 2.040 IN, 1.790 EX (95CI); 2.100 IN, 1.790 EX (107CI – 131CI) |
| DISPLACEMENT | BORE SIZE | INSTALLATION REQUIREMENTS | COMP RATIO | PART NUMBER | PRICE AS OF 06/01/24 |
| 95CI | 3 7/8 | Bore and hone cylinders | 10.5:1 | MTC-HD3875 | $418.15 |
| 15.0:1 | MTC-HD3875H | ||||
| Bore and hone cylinders to +.005 | 10.5:1 | MTC-HD387505 | |||
| 15.0:1 | MTC-HD387505H | ||||
| Bore and hone cylinders to +.010 | 10.5:1 | MTC-HD387510 | |||
| 15.0:1 | MTC-HD387510H | ||||
| Bore and hone cylinders to +.020 | 10.5:1 | MTC-HD387520 | |||
| 15.0:1 | MTC-HD387520H | ||||
| 107CI | 3 15/16 | Bore and hone cylinders | 10.2:1 | MTC-HD3938-FT | $418.15 |
| MTC-HD3938 | |||||
| 10.7:1 | MTC-HD3938-3 | ||||
| 11:1 | MTC-HD3938-6 | ||||
| 3 15/16 | Bore and Hone cylinders | 10.7:1 | MTC-HD3938-4000-3 | $418.15 | |
| 107CI | 4 1/8 * | Resleeve, bore, and hone | 9.8:1 | MTC-HD4125 | $444.00 |
| Resleeve, bore, and hone to +.010 | 10.5:1 | MTC-HD412510 | |||
| Resleeve, bore, and hone to +.020 | 10.5:1 | MTC-HD412520 | |||
| 117CI, 4 3/8 STROKE | 4 1/8 * | Resleeve, bore, and hone | 9.8:1 | MTC-HD4125-4375 | |
| Resleeve, bore, and hone to +.010 | 9.8:1 | MTC-HD412510-4375 | |||
| Resleeve, bore, and hone to +.020 | 9.8:1 | MTC-HD412520-4375 | |||
| 124CI, 4 5/8 STROKE | 4 1/8 * | Resleeve, bore, hone, and fly-wheels | 9.8:1 | MTC-HD4125-4625 | |
| Resleeve, bore, hone to +.010, and fly-wheels | 9.8:1 | MTC-HD412510-4625 | |||
| Resleeve, bore, hone to +.020, and fly-wheels | 9.8:1 | MTC-HD412520-4625 | |||
| 131CI, 4 5/8 STROKE | 4 1/4 | After-market motor required | 9.8:1 | MTC-HD4250 | |
| After-market motor required (hone +.005) | 9.8:1 | MTC-HD425005 | |||
| After-market motor required (hone +.010) | 9.8:1 | MTC-HD425010 | |||
| After-market motor required (hone +.020) | 9.8:1 | MTC-HD425020 | |||
| After-market motor required (hone +.030) | 9.8:1 | MTC-HD425030 |
* These pistons will fit into stock cylinders that have been resleeved. MTC has sleeves for this application and torque plates for this and many other V-Twin applications.