2021 KTM 450 SMR Engine Components

Engine Components that fit your 2021 KTM 450 SMR. Shop Vertex Pistons, Cometic Gasket, Wiseco and more. Every part is checked against your vehicle before it ships.

• Vertex PistonsVertex Piston 21-22 KTM 450 SMR 450cc Forged Replica Piston KitMPN vep24099B$272.66In stock
• Vertex PistonsVertex Piston 21-22 KTM 450 SMR 450cc Forged High Compression Piston Kit 13.6:1 Comp.MPN vep24112A$295.16In stock
• Vertex PistonsVertex Piston 21-22 KTM 450 SMR 450cc Forged GP Racers Choice Piston KitMPN vep24113B$331.16In stock
• Vertex PistonsVertex Piston 09-10 KTM 400 XC-W 400cc Replacement Ring SetMPN vep590295000002$59.80In stock
• Cometic GasketCometic .031 Viton O-Ring - BrownMPN cgsR031V$5.42In stock
• WisecoWiseco BMW S54 3.2L / Powersports 8.9mm Valve Adjustment Shim KitMPN wisVSK4$69.97In stock
• Vertex PistonsVertex Pistons 2020 450 EXC-F/17-19 450 EXC-F Six Days/2021 450 SMR Clutch Cover Gasket - OuterMPN vep817988$13.25In stock
• Cylinder WorksCylinder Works 21-23 Gas-Gas EX 450 F 450cc Standard Bore Cylinder 95mmMPN cylCW50009$511.05In stock
• WisecoWiseco Main Bearing Kit (2) 35 x 72 x 17mmMPN wisBK5066$167.99In stock
• WisecoWiseco 04-09 CRF250R/04-17 CRF250X Cam ChainMPN wisCC001$87.95In stock
• Vertex PistonsVertex Piston 21-22 KTM 450 SMR 450cc Forged Replica Piston KitMPN vep24099A$272.66In stock
• Cylinder WorksCylinder Works 21-22 Gas-Gas EX 450 F 450cc Standard Bore Cylinder KitMPN cylCW50009K01$711.41In stock
• ProTaperProTaper KTM Replacement Hardware KitMPN ptr023210$13.99In stock
• Cylinder WorksCylinder Works 21-22 Gas-Gas EX 450 F 450cc STD Bore High Compression Cylinder Kit 13.6:1 Comp.MPN cylCW50009K01HC$731.81In stock
• WisecoWiseco KTM 450SX-F 13-17 12.61 18-22 13.51 Piston kitMPN wis40278M09500$279.99In stock
• WisecoWiseco 19-25 KTM 450SX-F/FC450 Titanium Intake ValveMPN wisVIT057$110.99In stock
• Vertex PistonsVertex Piston 21-22 KTM 450 SMR 450cc Forged High Compression Piston Kit 13.6:1 Comp.MPN vep24112B$295.16In stock
• WisecoWiseco [Revision] KTM 450SX-F 13-17 12.61 18 Piston kitMPN wis40297M09500$259.99In stock