Wiseco Piston 74mm 13:1 4707M07400 1999-2003 Yamaha YZF-R1

Part: Wiseco Piston Kit
Make: Yamaha
Model: Attack
Year: 2006-2007
Number of Cylinders: 4
Bore x Stroke (MM): 74x58
CC: 998
Over Size (MM): STD
Features: Nikasil Bore Sleeving or Replating required for oversizes 13:1 Compression
Overbore: N/A
Engine: N/A
Notes: N/A
Series: N/A

Product Information:
-Lightweight forging for instant throttle responce and maximum torque.
-Computer engineered piston skirt profiles minimal cylinder wall friction.
-Anti-detonation grooves and new ring land diameter eliminates ring blow-by while maximizing engine performance.
-Piston kit includes 1 - Piston, 1 - Ring Set,  1 - Wristpin, and 1 - Circlip Set unless otherwise noted in the "Notes:" above.
-Oversize kits require cylinder boring or sleeving.
-Top end bearing not included in kit.