Piston Kit (Stock Bore) for Yamaha YFZ450/R - 12.0:1 / B' Piston For Part Worn Cylinder 94.96mm (0.01mm Larger)

ThisVertex stock bore 12.0:1 ATV piston kit, B piston, is the B piston for a part worn cylinder of 94.96mm, which is 0.01mm larger.

Vertex Stock Bore 12.0:1 Piston Kit Features

• Forged from high quality 2618 aluminium alloy
• Molybdenum Disulphide (MOS2) coating on the piston skirt to aid in the break-in process and reduce wear
• Unique piston profiles and compression ratios in A, B and C sizes
• The A, B and C sizes vary by a mere 0.004 inch, so the piston can be sized to the cylinder to maximize power and performance while reducing blow-by and oil consumption
• Suited to handle the rigors and high pressures of modern four-stroke engines

Vertex Stock Bore 12.0:1 Piston Kit Specifications

• Brand: Vertex
• Product type: Piston kit
• Bore: Stock bore
• Compression ratio: 12.0:1
• Piston size: B
• Cylinder: Part worn, 94.96mm (0.01mm larger)
• Material: Forged 2618 aluminium alloy
• Coating: Molybdenum Disulphide (MOS2) on the piston skirt