NA-40000-6RN Piston Rings 65.44mm Yam For Namura Pistons Only
NA-40000-7K Top End Kit Hc Twin Cylinder 65.69/+1.75 Yam
NA-40000-7RN Piston Rings 65.69mm Yam For Namura Pistons Only
NA-40000-8K Top End Kit Hc Twin Cylinder 65.94/+2.00 Yam
NA-40000-8RN Piston Rings 65.94mm Yam For Namura Pistons Only
NA-40000K Top End Kit Hc Twin Cylinder 63.94/Std Yam
NA-40000R Piston Rings 63.95mm Yam For Namura Pistons Only
NA-40000RN Piston Rings 63.94mm Yam For Namura Pistons Only
NA-40001-2K Top End Kit Twin Cylinder 64.45/+0.50 Yam
NA-40001-4K Top End Kit Twin Cylinder 64.95/+1.00 Yam