16 x 37.9 x 9.0 mm KX250F '11-14-Pistonpen

16 x 40.90mm KTM250SX-F-Pistonpen

16 x 41.50mm CRF250R (Japan)-Pistonpen

16 x 44.4 x 10.0 mm YZ250F-Pistonpen

16 x 45.0 x 10.0 mm KX250F (Japan)-Pistonpen

16 x 46.50mm Kmx125-Pistonpen