Below you'll find detailed instructions on how to install your new OTR Filters.
If you have any questions, please do not hesitate to contact us for further assistance!
1. Place your velocity stacks (ram tubes) through the Seals-It
stack seals and then re-insert your stacks back into the injector manifold and
tighten the stack clamps.
2. Slide the Seals-It stack seals up to the top of your stacks until the bell mouth sits flush inside the stack seals.
3. Place your sprint car filters bottom plate on top of the stack seals and carefully trace around their position on the bottom of the plate.
4. Place the outer part of your "Figure 8" template inside each marked oval on the bottom place and mark out the "Figure 8".
5. Next, place your inner template inside each marked "Figure 8" and mark the center point for your hole saw cut.
6. Using a 3.75" hole saw (you can also use a jigsaw instead of a hole saw) cut the 4 "Figure 8's" out of the bottom plate. It may help to locate the holesaw if you first drill a pilot hole in the
center point mark.
7. Place the stack seals in the bottom plate and drill your rivet holes.
8. Run a very small bead of RTV silicone around the outside of the "Figure 8" on the bottom of each stack seal.
9. Insert your stack seals into the bottom plate, rivet all the holes, reassemble bottom plate/ram tubes/injector manifold, adjust filter height, install top plate and go racing!
6. Using a 3.75" hole saw (you can also use a jigsaw instead of a 
plate and
