Billet aluminum spacer for the ADA Racing Stalker exhaust for the GSR40. This is the same spacer that is included with the GSR40 Stalker exhaust. Spacer only, no bolts or gaskets. 0.720" total thickness.
Center to center bolt mount spacing is 1.31" and the holes are 1/4" in diameter. The exhaust port measures 0.87" wide by 0.59" tall.