All Balls Front Brake Caliper Piston for Yamaha YZ490 1985-1990

• Precision machined from high-grade 304 Stainless Steel.
• Stainless steel reduces thermal conductivity by up to 93% compared to aluminium.
• Plastic composite pistons are prone to damage and become brittle with age.
• OEM chrome-plated steel and aluminium pistons are prone to corrosion.
• Eliminates failure prone ceramic inserts found on some KTM models.
• Each kit contains piston or pistons to rebuild one caliper.

Bike Fitment:

• Yamaha YZ490 1985
• Yamaha YZ490 1986
• Yamaha YZ490 1987
• Yamaha YZ490 1988
• Yamaha YZ490 1989
• Yamaha YZ490 1990