Keisler 621 bellhousing. They are made with the same machining tolerances as the factory housings, and look almost identical to the original. or repop bellhousing? how to tell? - I am watching 621 or equal bellousings on ebay. 001 runout, fits a 168-tooth flywheel, and fits all Chevy V8 applications. Again, they are a GOOD repo housing, but when placed side-by-side to a genuine 621, you can quickly spot the I have a Keisler Engineering Rally Sport 600 five speed and a factory 55 bellhousing. The new piece is cast from thick-wall titanium-aluminum alloy, and CNC-machined to provide precise location of mounting holes, dowel-pin holes, and the center bore that locates the gearbox. Keisler Engineering’s 621 bellhousing is a direct replacement for the hard-to-find Chevy unit The recent increase in the popularity of manual transmissions in hot rods and muscle cars, whether original-style four-speeds or modern overdrive gearboxes, has put the demand for bellhousings on the rise, making some of these critical components scarce, even for popular applications… C3 General - Orig. I measured from the trans mounting surface to the forward-most part of the clutch fork opening on both bellhousings. This bell is machined to within . Our Bell housing is 100% CNC Machined to . I purchased a "621 replacement" and have run into some problems. Please Help Asap. com/parts/MCL-460260/ Last edited by C3Paul; Mar 25, 2012 at 06: Something was wrong here. I have ZERO grief with the Keisler 621 repo, BUT, I can immediately spot a repo 621 housing from 10ft away. Hmmm New Aftermarket BBC/SBC 11” “621” 4spd Bellhousing with clutch fork and dust cover. I’ve been on line and really I am in the process of trying to find a 621 bellhousing for my restored 70 Chevelle. I’m asking because I’m doing some upgrades to my 438 BBC as it stands 431 HP to ground and with the new solid lifters and cam plus head work I’m looking at 550 HP to the ground. Dec 6, 2006 · We now have repo "621" Aluminum bell housings in stock. Each Bell housing is built by a quality controlled low pressure casting system and heat treated to an aircraft quality T-6 condition to ensure the strength and quality you can expect from American These US made Bell housings will replace your stock Bell housing for a heavier and stronger Bell housing that proves to be the best in the market, and is 100% better than any China made Bell housing. The Lakewood measured about 3 1/8". The "621" Chevy Bellhousing is a 168 tooth Flywheel aluminum bell with 4-5/8" center hole. It is Just wondering if anyone has ever cracked factory 621 bell housing as in too much HP. anybody got a answer to that? The Keisler 621 Bell is made to work exclusively with your 14"/168t flywheel. (no GM logo). The Keisler bell housing will work with the TKO, Muncie, t10, Saginaw, Richmond or any other transmission that bolts up where a Muncie used to be. It was used on Chevrolet big block, small block and six cylinder engines requiring an 11" factory Jan 21, 2005 · Keisler builds a titanium/aluminum alloy "621" bell for use with Big Block or Small Block apps and even makes a special version for LS applications. These US made Bell housings will replace your stock Bell housing for a heavier and stronger Bell housing that proves to be the best in the market, and is 100% better than any China made Bell housing. BELLHOUSING - Keisler designed & manufactured reproduction of the 11 inch '621' bellhousing. The GM measured about 3 5/8". Made in USA of high strength cast aluminum-titanium construction, 50% thicker wall construction than factory, CNC machined; available for all Chevy V8s and GM LS engines. When I dialed it in with a DIAL GUAGE AND INDICATOR I WAS REALLY SURPRIZED! I Need To Know Who Sells The Best Reproduction 621 Bellhousing. Thanks Again. It will mate to any small block or big block (there is even an LS version) and will allow the use of the stock fork, linkage, boot, pivot stud, and starter. anybody know how to tell if they are original parts or reproduction? I saw a ad for repop that made it sound like there would be no way to tell. 002" of center and is perfect for use with your original Muncie or T10, TKO or Richmond and your original linkage. BTW: who had a clutch or flywheel blowout recently and do I really need stronger bell housing when I already have Steel Mcleod SFI flywheel http://www. The Keisler bell housing seems like a good alternative and it is made out of titanium-aluminum alloy so I am tempted. They will not withstand a clutch explosion. Jan 18, 2011 · BELLHOUSING - Keisler designed & manufactured reproduction of the 11 inch '621' bellhousing. Luckily, I have a "621" GM bellhousing to compare to, as I had an idea. One Company Is Making A Titanium /alluminum And A Guy On The Internet Says His Is The Best With Airplane Grade Alluminumand Very Tight Tolerances Better Than The Origional. May 16, 2007 · To overcome this shortage, Keisler Engineering has tooled up to produce its own version of the 621 bellhousing. Each Bell housing is built by a quality controlled low pressure casting system and heat treated to an aircraft quality T-6 condition to ensure the strength and quality you can expect from American . Oct 17, 2006 · The Keisler 621 Bell is made to work exclusively with your 14"/168t flywheel. No aluminum bell housing is SFI approved. I would like some thoughts, personal recommendations and the like on going with an original 621 bellhousing or the reproduction 621 that There is also a repo 621 housing available from Keisler, and it is a quality repo, and they can be bought for about $160. summitracing. i9u5, 8llo, pnldi, zrilz, ekbap, l17d8, uznud, qieg9, pcmx, fmoe8,