Dual Ring Piston Kit Yamaha YZ490 '82-83 / IT490 '83-84 OVERSIZE:STD 7:1 8501DB 95

7:1 8501DB 95

K4049KDA-2

MUST BE USED WITH  P4080-RPL  OR  P4080-RPB

Washers are only used for 2008-2009 model years

Dual Ring Piston Kit Yamaha YZ490 '82-83 / IT490 '83-84 OVERSIZE:STD 7:1 8501DB 95ALL 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 8266DA 87. 00 86. 92 RSC8700 2 CW18 WP042 N1022 8266D050 87. 50 87. 42 RSC8750 2 8266D100 88. 00 87. 92 RSC8800 2 8266D150 88. 50 88. 42 RSC8850 2 8266D200 89. 00 88. 92 RSC8900 2 Click the component to view and add to your cart What does Graded Size mean?