Single Ring Piston Kit Yamaha RD250LC '80-83 OVERSIZE:2.00MM What does Graded Size mean

What does Graded Size mean

Futher details about oil pressure springs can be found here: Oil Pressure Springs

1 PER PISTON

K8625D075-2

8:1 8501D100 96

Single Ring Piston Kit Yamaha RD250LC '80-83 OVERSIZE:2.00MM What does Graded Size mean1ALL PISTON KITS INCLUDE PISTON, RINGS, WRIST PIN, AND RETAINING CLIPS UNLESS NOTED. REPLACEMENT COMPONENTS LISTED BELOW ITEM BORE SIZE PISTON SIZE RING RING QTY NEEDED CLIP WRIST PIN SE BEARING 8300DA 54. 00 53. 93 RSB5400 1 CW16 WP036 N1014 8300D050 54. 50 54. 43 RSB5450 1 8300D100 55. 00 54. 93 RSB5500 1 8300D150 55. 50 55. 43 RSB5550 1 8300D200 56. 00 55. 93 RSB5600 1 8300D250 56. 50 56. 43 RSB5650 1 Click the component to view and add to your