KTM 450 SX-F 07-12 K&N Replacement Air Filter - KT-4511XD Valve Adjustment Shims The kit comes with alternative

The kit comes with alternative pressure Springs to adjust the Spring rate

40 mm piston kit Armor Glide piston skirt coating

KPMI® engineers design our tappets using advanced finite element analysis (FEA) software

a performance increase of 10%-15% is realistic

KTM 450 SX-F 07-12 K&N Replacement Air Filter - KT-4511XD Valve Adjustment Shims The kit comes with alternativeK&N Engineering Replacement Air Filters Provide increased horsepower and improved throttle response over OEM type Paper or foam filter elements. Washable and re usable, backed by a million mile manufacturers warranty! All K&N filters are pre oiled ready for use. K&N Filters have a high quality urethane or plastic chassis seal selected for performance and durability, ensuring a perfect seal to Protect your engine from damaging particles. The red pre