Wiseco Top End Kit Standard Bore 97.00mm - 12.8:1 Compression - PK1933

Features:

• Contains all the necessary components for overboring or rebuilding your top end
• Feature forged pistons, rings, wrist pins, circlips and top end gasket set

Specifications:

• Bore - Standard: 97.00mm
• Compression Ratio - Actual: 12.8:1
• Skirt Coating: ArmorGlide

Item Contents:

• 3819XS - 97.00 mm Ring Set
• 40199M09700 - Yamaha YZ450F '18-19 12.8:1 CR
• CW18 - 18mm Round Wire Locks - Set of Two
• Ring - Set
• W6991 - Top End Gasket Kit Yamaha YZ450F '18-19