Compression Ratios
| 64cc | 70cc | 76cc |
| 8.4:1 | 8.0:1 | 7.7:1 |
*Includes Oil Rail Supports
| Part Number | 11426 |
| Bore | 4.030" |
| Stroke | 3.750" |
| Rod Length | 6.000" |
| Comp. Height | 1.125" |
| Wrist Pin | .927" x 2.950" |
| Top Ring Down | .240"-.300" |
| Piston Material | 2618 Alloy |
| Piston Style | Dish |
| Volume | -31.0cc |
| Ring Stack | 1/16" x 1/16 x 3/16 |
Shelf Stock
