Foam Prefilter for EVO/Large Oval Air Box Body 25 1/4-28 x 1-1/4 Long

25   1/4-28 x 1-1/4 Long HHCS (2)

New and original from Hyper Racing: HBS 1" Shock Slider fits a 1" tube

Utilizes a M2 heavy-duty double row angular contact bearing

place the rebound valve first

We recommend removing the stock set screws and replacing with a ¼-28 x ½" set screw with a jam nut (included)

Foam Prefilter for EVO/Large Oval Air Box Body 25 1/4-28 x 1-1/4 LongHyper Racing # 600 5155 2 Fits the Hyper EVO Fuel Injection. Also fits other large oval boxes. Includes foam wrap and velcro strip especially selected for this application ensures that the foam can be adjusted if it stretches after cleaning with 77 507 K&N Air Filter Cleaner. Our Foam Prefilter is the best way to keep dirt out of the engine. We performed many back to back dyno tests with different foam types and chose this one because it show no loss