Pistons
For the Athena Big Bore Kit (280cc), B-dimension D=81.96 mm
For the Athena Big Bore Kit (280cc), A-measurement = 81.95 mm
For Athena Big Bore Kit (280 cc), A-measurement D = 80.95 mm
For the Athena Big Bore Kit,
B-dimension D=79.97 mm
For the Athena Big Bore Kit,
A-dimension D=79.96 mm
For Athena Big Bore Kit (144 cc),
B-dimension D=57.95 mm
For the Athena Big Bore Kit,
B-dimension D=57.95 mm
For Athena Big Bore Kit (144 cc),
A-dimension D=57.94 mm
For the Athena Big Bore Kit,
A-measurement = 57.94 mm
For the Athena Big Bore Cylinder Kit
B-dimension = 49.96 mm
For the Athena Big Bore Cylinder Kit
B-dimension = 49.94 mm
For the Athena Big Bore Cylinder Kit
A-dimension = 49.93 mm
For the Athena Big Bore Kit,
A-dimension D=82.95 mm
For Athena Big Bore Kit (290 cc),
B-dimension D=82.96
For the Athena Big Bore Kit (290cc),
A-measurement D = 82.95 mm
For Athena Big Bore Kit (290 cc),
A-dimension D=82.95 mm
For the Athena Big Bore Cylinder Kit
B-dimension = 52.96 mm
For the Athena Big Bore Cylinder Kit
A-dimension = 52.95 mm
Pistons: engineered for motocross and enduro riders. Strong materials, precise fitment and reliable performance.





