Function:3/4 to 1 Crank Sleeve Adapter with Step KeyAdapts larger wheel bores to smaller axles. Team Associated B64 Diff Cases ( Front , Center , Rear ) ASC92080 | Toys & Hobbies, Radio Control & Control Line, RC Model Vehicle Parts & Accs | ! Team Associated B64 Diff Cases ( Front , Center , Rear ) ASC92080 Fitting: [WIDE APPLICATION] Universal design, fit for most car. Content:1 Pc - Engine Pulley Crank Shaft Sleeve Adapter2 Pcs - Step Key Replacement Parts & Accessories; $16.75 $ 16. 75. FREE ... 3mirrors Shaft Adapter Pulley Stainless Steel 3/4 to 1 Inch Gas Engine Pulley Crank Shaft Sleeve Adapter Predator w/Step Key. $12.99 $ 12. 99. Get it as ... 3mirrors Crank Shaft Adapter Stainless Steel Crank Shaft Sleeve Adapter 3/4 to 1 Inch w/Step Key for Gas Engine Pulley Crank... Crank Shaft Sleeve Adapter 3/4" To 1" With Step Key For Gas Engine Pulley Silver Alters motors with a different diameter shaft, Alters pulleys for a different speed or belt. Buy KIMISS Shaft Adapter P,Shaft Adapter Pulley Sleeve Adapter Pulley Reducer Sleeve Crank Shaft Sleeve Adapter Bushing Sheave Key Shaft Adapter Pulley Bore Reducer Sleeve Bushing Sheave Key Car Modifie Convenient: [SIMPLY TO USE] It could correctly replace the parts, no tools required to install. Product Dimension:Product Name: 3/4 to 1 Crank Shaft Sleeve AdapterMaterial: MetalColor: Silver ToneSize: 2.6x5.8cm / 1.02x2.28(D*L)Compatibility:Universal design for most vehicles. Please Attention:Please confirm the model, displacement, and year of your car before purchasing. Works with Gas Engine Crank Shafts to enlarge the crank diameter to fit pulleys, gearboxes, etc.