Vertex GP Racer Choice Forged Piston kitRef : VER00289A / 1122776002

VERTEX GP Racer Choice Forged Piston – ref. 24639B

Designed for motocross and 450 cc engines, this VERTEX forged piston emphasizes strength and machining precision. Made from aluminum, it features a Racing oriented compression to meet the demands of high RPMs while providing dimensional stability suitable for modifications and restorations.

• Piston diameter: Ø 96.960 mm (nominal bore 97.00 mm)
• Oversize letter: B (oversize/overbore)
• Material: Forged aluminum
• Usage: motocross / amateur competition

The GP Racer Choice piston benefits from VERTEX's expertise, a specialist in thermal components for off-road and an original equipment supplier for many brands. Its forged design offers better mechanical resistance against the load and temperature stresses encountered in aggressive riding. The hundredth machining ensures a precise fit in the cylinder (check the bore condition before installation).

Common compatibilities: YAMAHA YZ 450 F (2026), FANTIC XXF 450 (2024), YAMAHA WR 450 F (2026). Verify the reference and bore dimensions of your engine before installation.