NA-40012R Piston Rings 101.97mm Yam For Namura Pistons Only
NA-40013-B Piston Kit Hyperdryve 101.98/+0.01 11:1 Yam
NA-40013-BK Top End Kit Hyperdryve 101.98/+0.01 Yam
NA-40013-CK Top End Kit Hyperdryve 101.99/+0.02 Yam
NA-40013K Top End Kit Hyperdryve 101.97/Std Yam
NA-40015-2K Top End Kit 71.45/+0.50 11:1 Yam
NA-40015-2R Piston Rings 71.45mm Yam For Namura Pistons Only
NA-40015-4K Top End Kit 71.95/+1.00 11:1 Yam
NA-40015-4R Piston Rings 71.95mm Yam For Namura Pistons Only
NA-40015-6K Top End Kit 72.45/+1.50 11:1 Yam
NA-40015-6R Piston Rings 72.45mm Yam For Namura Pistons Only