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TKO Ceramic 14x25.4x6mm Rear Engine Bearing (OS V-Spec, Novarossi, RB) (1)

[TKO-MR25414]
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This is a ceramic rear engine bearing from TKO Competition Development designed to fit the O.S. MAX VZ-B and VZ-B V-Spec off-road competition buggy engines. This bearing also fits recent Novarossi and RB Concepts engines that require the special 25.4 mm rear bearings such as the P5 and C5 engines. The bearing dimensions are 14mm inner, 25.4mm outer and 6mm thick. This bearing is open to allow oil to lubricate the bearings during use. If you run the OS VZ-B or VZ-B V-Spec engine, you probably want one of these bearings to keep the engine running well, especially if your engine starts making loud bearing noises at idle. This bearing will also fit any other .21 competition buggy engine that uses the same bearing dimensions.

These are the same bearings used by Ed Bridges from EB Mods for the O.S. V-Spec modified engines.

NOTE: This bearing should be installed so that the balls face the rear of the engine (towards the backplate), in order to allow proper lubrication.

This product was added to our catalog on April 24, 2006.

Anthony Luciano
Verified Owner
I had no problems all year on this bearing. Engine ran stellar as always.
Spencer Wass
Verified Owner
May I just say to inspect the bearings tolerances before using them and if they wiggle around like they are already worn out than contact TKO and they should exchange with out hassle.
Kev
Verified Owner
Great replacements for the v-spec, replaced bearings in all my three motors after the originals went out. I have had no problems yet, even after 3 gallons (who knows, it may even outlast my new piston & sleeve). I will update if any changes happens.
Sar
Will this fit Sirio EVO 4 Kanai .21 engine, I cant seem to find any info on this engine.
Rui Pereira
Verified Owner
The tko bearings fix all motor problems i had prevsly spent mony on cheeper berings but only got a few race meets. Now im on fifth race meat and still tko bearings perfect
Koby Kubrin
Verified Owner
Great bearings. Use them in all of my engines with great success. They are affordable and very high quality.
reece McGregor
Verified Owner
These bearings are excellent,a ideal upgrade for a standard V-spec weather its new or used. They totaly transform the standard engine and make it reliable.
rcracing1976
Verified Owner
I am not happy. I bought this bearing thinking it was going to be good and didnt even get a month out of it before it started coming apart.

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