 |
 |
 |
 |
| Top view. Note the different size valve cut outs for the inlet and exhaust |
The Ross pistons are dished |
A close up of the top of the pistons |
The underneath of the pistons |
| |
 |
 |
 |
 |
| The ring grooves are slightly differently spaced |
Another view of the ring spacings |
The oil drain hole arrangement differs |
Another view showing that the Ross piston is smaller than the stock piston |
| |
 |
 |
 |
|
| The Ross piston is slightly shorter than the stock piston. Note the oil ways in the Ross gudgeon pin area |
Another view showing the differences of the oiling arrangement for the gudgeon pin |
Note the cut out in each piston skirt for the oil squirter |
|
