GAS-GAS
EC 250R       2014-2017,
EC 250       1997-2014,
SM 250       1997-2008,
MC 250       1997-2008,

Wiseco 849M06640 66.40mm 2-Stroke Off-Road Piston

Forged from high-silicon aluminum alloy for maximum strength and dependability Wiseco offers a complete range of popular piston models and years for both trail and racing applications Durability, longevity and increased horsepower Innovative forging design and piston skirt provide maximum horsepower and torque All Wiseco High-Performance Motorcycle Pistons come with rings and circlips

Part No. 56-W157.WI

Cross reference numbers ONLY.
Old number 56-W849.WI, VERTEX 23249,