Athena P400210100009 280cc Big Bore Cylinder Kit (82mm Bore) - Forged Piston Performance Upgrade, Converts 250cc to 280cc, Compatible with Honda CRF250R & CRF250X 2004-2015 racing tire 7L Cummins diesel engines Compound

7L Cummins diesel engines Compound Turbo Clearance: Provides necessary A/C line clearance for compound turbo installations and twin turbo setups 2nd Gen Swap Support: Essential component for 2nd generation Cummins engine swap projects requiring A/C system integration OEM Quality Construction: Premium replacement lines and fittings manufactured to original equipment specifications Direct Fit Installation: Precision-engineered for bolt-on installation without modification or custom fabrication Technical Specifications: This professional-grade A/C line relocation kit features OEM-quality aluminum fittings

No adapters required

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one for a 1” lower steerer tube diameter and one for an oversized 1-1/8” lower steerer tube diameter

Conquer varied XC trails with the Pirelli Scorpion Sport XC M 29 x 2

Athena P400210100009 280cc Big Bore Cylinder Kit (82mm Bore) - Forged Piston Performance Upgrade, Converts 250cc to 280cc, Compatible with Honda CRF250R & CRF250X 2004-2015 racing tire 7L Cummins diesel engines CompoundUPGRADE YOUR DIRT BIKE TO THE NEXT LEVEL OF PERFORMANCE Extract massive power, aggressive low end torque, and unmatched acceleration from your 250cc four stroke engine with the Athena Big Bore Cylinder Kit (Part No. P400210100009), a premium race proven package engineered in Italy to seamlessly convert your factory setup into a high revving, high output 280cc powerhouse. Entirely cast from high grade aluminum and treated with a specialized Motor