Product details:

Front Sprocket: 3289-15Rear Sprocket: 435K-43Chain: 520RV3-116Front Sprocket Details - Vortex Steel Front Sprocket - Drilled lightening holes reduce rotating mass - High carbon steel for maximum strength - Special Vortex Nichel plating to resist corrosion - Induction hardened to reduce surfwear - Precise tolerances to ensure concentricity - Rear Sprocket Details - Lightweight standard aluminum racing sprocket100% CNC manufactured in the USASpecially formulated alloy per Vortex specifications - Hardcoat anodized for increased longevity - Unique tooth design increases sprocket longevity - Vortex patented sprocket design is unlike any other sprocket - Chain Details - Tri Glide seal provides 3 pockets of lubrication and two stabilizers ultimately reducing heat friction and increasing wear life by as much as 10 times over standard O-ring chains. - Duo Glide seal design reduces heat and friction resulting in a 7 times longer wear life than a standard O-ring chain. Model # CK6237 Features: CK6237 Black 3289-15 :: 435K-43 :: 520RX3-116 Drilled lightening holes reduce rotating mass Special Vortex Nickel plating to resist corrosion Item Dimensions: 1" L x 1" W x 1" H,Vehicles & Parts > Vehicle Parts & Accessories,Vortex Racing