Twin Camera Carb Vacuum Slide Piston Assembly Replacement for 27585-88 for Cv40 Carburetor Klr650 Complete Vacuum Slide Assembly Replacement for CV Carburetors Replacement for Original p/n #27585-88.Slide replacement is recommended when the diaphragm will eventually be crushed or torn, or if the vacuum port hole has been modified (drilled) causing driving problems. New and improved! Our slide is now dryer polished and uses a stronger diaphragm for better durabilityReplacement for CV 40 carburetors: replacement for big twin 1990-2006, replacement for Sportster 1989-2002, replacement for Buell v-twins 1994-2006 or Buell Blast.Product name: carburetor repair kitCondition: newOther part no.: 27585-88For:Evolution XL883 w/CV Car88-06Evolution XL/XLH1200 w/CV Car88-06Evolution Big Twins (FL & FX models) w/ CV carbs 88-06Material: Plastic + MetalColor: BlackPackage Contents: 1 x Piston Vacuum MembraneOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement error is +/- 1-3cm.