Spacer is precision machined .730" thick billet alum., O-ringed on both sides for a superior seal to the blower restraint and the top of the supercharger, has the spread front bolt pattern to adpt. from the industry standard 13.250" on bolt center pattern to the spread front bolt pattern. Inside spacer opening dimension is 10.50" x 4.50".
Spacer is machined six spots 1/8" pipe for nozzle bodies. The divider part is .500" at the top and knife edges down to .150" at the bottom sealing up almost against the blower rotors. The divider helps straighten the blowers air out and keeps some of the turbulence down inside the supercharger, allowing for more consistent runs.
Spacer includes two precision cut stainless steel shims, one .030", one .050" to put between the spacer and the blower case to set the depth off the divider off the blower rotors.
Note: This is a used item. This item might have been taken in on a trade. RBS may have inspected this item and deemed re-usable. There is no warranty expressed or implied with this item.