Increase the displacement of your X-Wedge engine with these bolt-on cylinder and piston kits. Increase the displacement of your X-Wedge engine with these bolt-on cylinder and piston kits. A 1/8" bore increase will take an X121 to X128, and a 1/4" bore increase will take an X117 to X132! No changes to the crankcases or flywheels are required. No changes to the crankcases or flywheels are required. Bolt-on Proven Performance® from S&S!
FITMENT
- S&S X-Wedge® engines
FEATURES AND BENEFITS
- Bolt-on performance
- Increase displacement without crankcase modifications
- Fits all X-Wedge engines
OPTIONS
- Silver powdercoat, wrinkle black powdercoat or polished finish
| Replacement 4 3/8" Bore Cylinders & Pistons for S&S® X-Wedge® Engines |
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| X128 | X132 | |
| Displacement | 128" | 132" |
| Stroke | 4.25" | 4.375" |
| Bore | 4.375" | 4.375" |
| Cylinder Length | 4.645" | 4.645" |
| Compression Ratio | 10:1 | 10.3:1 |
| Cylinder Silver Powdercoat | 910-0002 | |
| Cylinder Black Wrinkle Powdercoat | 910-0001 | |
| Cylinder Full Polished | 910-0003 | |
| Replacement Pistons | Forged (for X128) | Forged (for X132) |
| Standard Piston | 920-0003 | 920-0002 |
| +.010 | 920-0006 | 920-0004 |
| Cylinder includes one cylinder only. All piston part numbers are for one piston only and include rings, wristpin, and clips. | ||
| Replacement Parts for X128 & X132 Pistons | |
| Standard Moly Faced Rings | 94-4285X |
| +.010 Moly Faced Rings | 94-4286X |
| Wristpin | 94-9277 |
| Keeper | 106-0004 |