NA-40000-2K Top End Kit Hc Twin Cylinder 64.44/+0.50 Yam
NA-40000-2R Piston Rings 64.45mm Yam For Namura Pistons Only
NA-40000-2RN Piston Rings 64.44mm Yam For Namura Pistons Only
NA-40000-3K Top End Kit Hc Twin Cylinder 64.69/+0.75 Yam
NA-40000-3R Piston Rings 64.7mm Yam For Namura Pistons Only
NA-40000-3RN Piston Rings 64.69mm Yam For Namura Pistons Only
NA-40000-4K Top End Kit Hc Twin Cylinder 64.94/+1.00 Yam
NA-40000-4R Piston Rings 64.95mm Yam For Namura Pistons Only
NA-40000-4RN Piston Rings 64.94mm Yam For Namura Pistons Only
NA-40000-5K Top End Kit Hc Twin Cylinder 65.19/+1.25 Yam
NA-40000-5RN Piston Rings 65.19mm Yam For Namura Pistons Only