Part No. 56-W4978.WI.RC (oro2u.com)
Honda CRF450R 2009 - 2012,
Wiseco RC877M09600 Racer's Choice 96.00mm 13.5:1 Compression 449cc Motorcycle Piston Kit.
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 circlipsBoxed Forging Shot peened Titanium Nitride coated rings

Boxed forging
Armor Plating nitride
DLC coated pin coated
ArmorGlide skirt coat