Vertex Piston 20-24 Yamaha WR 250 F 250cc Forged GP Racers Choice Piston Kit

GP Racer Choice Forged piston,racing profile and special shaped head for maximum compression with a great performance without any loss of reliability. Vertex Four-stroke pistons are forged from the highest quality 2618 aluminum alloy for superior strength and durability. Vertex uses unique piston profiles and compression ratios, offered in A, B, C and D sizes, to maximize power and performance while reducing blow-by and oil consumption. Vertex is a company from Italy which produces original pistons for many currently produced two and four stroke dirtbikes. Their pistons are found in original KTM dirtbikes and their aftermarket range are known as 'Performance Pistons'. Vertex pistons are also popular for high-end tuning. All piston kits include piston, rings, wrist pin, and circlips.