Wiseco Top End Kit Standard Bore 95.00mm - 12.5:1 Compression - PK1359

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:

• Displacement: 450cc
• Bore - Standard: 95.00mm
• Bore - Actual: 95.00mm
• Bore - Oversize: STD
• Stroke: 63.40mm
• Compression Ratio - Actual: 12.5:1
• Skirt Coating: ArmorGlide
• Note: Nikasil Bore

Item Contents:

• 3741XS - 95.00 mm Ring Set
• 4785M09500 - Yamaha YZ450F '03-09/WR '03-15 12.5:1 CR
• CW18 - ROUND WIRE PIN LOCKS 18MM (PAIR)
• S600 - PistonPin 18mm x 1.850" NonChromed SW
• W6420 - TopEndGsktKit Yam YZ/WR450F/YZF450 95mm