KTM 450 SX-F Herlings Replica [2019] - GP Racer Choice forged pistons

VERTEX GP Racer Choice forged pistons for KTM 450 SX-F Herlings Replica

The VERTEX GP Racer Choice forged piston is designed as a forged aluminum version for the engine of the KTM 450 SX-F Herlings Replica from 2019. The racing piston compression and the coordinated design of the piston crown support an optimized flame front and the achievement of the maximum permissible compression ratio.

Function and design features

• Forged aluminum piston structure.
• Piston crown with optimized shape to improve the flame front.
• Reinforcements stiffen the piston structure and reduce piston crown deformation under full load.
• Short piston pin and a chamfer with DLC (Diamond Like Carbon) coating.
• Circlip with external nose to prevent twisting at high speeds.
• Extra-thin GNH piston ring made of gas nitrided steel to increase wear resistance.

Technical data

• Material: aluminum
• Piston Type: Forged
• Piston compression: Racing
• Diameter Ø: 94.97 mm
• Letter oversize: C
• Oversize: +0.02
• Bore diameter: 95.00 mm
• Rings Quantity: Set
• Stroke: 4T

Vehicle assignment

Suitable for the KTM 450 SX-F Herlings Replica, built in 2019. The selection by model and year of manufacture makes it easier to match the intended engine.