The all new 4" Pro Series Housing is our strongest Spider 9 housing yet, delivering a level of quality and performance that is untouched in the industry. Building on the platform of our original Spider 9 housing, the 4" Pro Series Housing comes complete with 4" OD x 1/4" wall heat treated tubes, coupled with a wider shell that's now internally gusseted. Off-the-shelf at 68" OAL, working with both standard and mid-engine setups, the 4" Pro Series Housing is as versatile as it is tough. Our 4" Pro Series Housing also comes standard with our massive 2-1/4" aluminum filler cap & steel bung assembly, great for general gear inspection and filling.
This is the same rear housing that has powered Loren Healy's Red Dragon Ultra4 racer to record breaking 1st place finishes. If you're looking to take your racing to an all new level, this is the housing for you.
Every 4" Pro Series Housing comes with third member mounting studs & nylock hex nuts, 2-1/4" fill bung & fill cap, Spider tag, and a Competition Style LubeLocker.
Overview
Strong.Constructed out of 4130 chromoly steel, using a 3/8" thick face plate, 1/4" thick shell, massive heat treated 4" x 1/4" wall axle tubes, and two internal shell gussets, all while fitting both 9" & 10" gears. Get ready to go fast, get ready to win.
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Secure.Adding integrity to the housing center section was our top priority. This provides not just added strength, but making the center more ridged helps keep those third member bolts tight as well. Wider shell, internal gussets, threaded studs... our most secure housing yet.
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Sexy.It's one thing to have the strongest housing ever built, but why not make it the sexiest as well. All 4" Pro Series Housings are welded inside & out, and tig finished on all outside welds. Not only does this look great, it ensures all welds are race ready.
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Complete.All 4" Pro Series Housings ship with third member studs & nylock hex nuts, 2-1/4" fill bung & cap, rear Spider tag, and a Competition LubeLocker. Plus, at 68" in length, this off-the-shelf housing works for almost any racing application. One housing, everything you need.
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