CP-Carrillo MX9003C High-Performance Piston Kit 76mm 13.5:1 249cc

The CP-Carrillo MX9003C is a high-performance replacement piston kit engineered for the KTM 250 SX-F motocross platform. Built to an aggressive 13.5:1 compression ratio with a standard 76mm bore and 54.8mm stroke (249cc displacement), this piston kit is a direct bolt-in solution for riders seeking factory-level performance and durability.

Key Specifications:

• Bore: 76mm (standard)
• Compression Ratio: 13.5:1
• Stroke: 54.8mm
• Displacement: 249cc
• Piston #: MX9003C
• Kit #: CPKX9003C
• Rod #: 5415
• Pin #: S630-1650-13C
• Locks #: 630x050 SWL
• Rings #: CP7600C
• Gasket Only #: C3164-HB

Key Features:

• Manufactured by CP-Carrillo in Irvine, California — made in the USA
• Forged from proprietary high-strength alloy for maximum durability under race conditions
• Precision CNC-machined with multi-level inspection and quality control
• Designed to deliver consistent power output and reliability in high-rev motocross applications
• Compatible with Cometic top-end gasket kit (sold separately as CPKX9003C kit)

CP-Carrillo is a trusted name in professional racing, supplying OEM-quality pistons and connecting rods to top-level competitors and engine builders worldwide. The MX9003C piston kit delivers the performance and longevity demanded by serious off-road and motocross racers.