AED Holley 650-800 CFM Holley Spread-Bore Double Pumper Carburetor Rebuild Kit RS200320 The XStack™ 10 is a

The XStack™ 10 is a stack of 10 laminated Tearoffs that are 2 mil thick each

Collars that are contoured for your specific application

1988-1990 Chevrolet C3500

Zipper Closure

Brass Restrictors

AED Holley 650-800 CFM Holley Spread-Bore Double Pumper Carburetor Rebuild Kit RS200320 The XStack™ 10 is aThese are absolutely the finest Carburetor Kits available anywhere at any price! We have combined every possible add on feature and incorporated them into each kit to give you long and improved performance from your Holley Carburetor. Most of the features you would buy seperately are already included. Listed below are just some of the additional components. It Takes only five AED Carburetor Kits to cover virtually all Holley performance carburetors