9.5" TOP INSERT FOR STD RACE CASE [#2123]

$150.00

SKU: 2123 Categories: , ,
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Description

TBS Race Inserts are crafted from billet aluminum in an array of sizes.  Meant to change when boost is activated, a smaller opening boosts quicker and a bigger opening produces more boost on the top end.  A quick way to tune your blower at the track, these inserts are available only for the race series blowers.

Available in

7.5 inches

8.5 inches

9.5 inches

10.5 inches

Features

Application

Additional information

Weight 2 lbs
Insert Size

7.5" Top Insert, 8.5" Top Insert, 9.5" Top Insert, 10.5" Top Insert, 11" Top Insert For 6-71 XR, 10" Top Insert For 6-71 XR, 9" Top Insert For 6-71 XR, 8" Top Insert For 6-71 XR, 7" Top Insert For 6-71 XR, 11" Top Insert For 14-71 XR, 10" Top Insert For 14-71 XR, 9" Top Insert For 14-71 XR, 8" Top Insert For 14-71 XR

For most applications, a balancer will work better than a crank hub for eliminating harmonics in the motor. We recommend the use of a quality aftermarket balancer since stock balancers do not hold up well on blown motors. Crank hubs are recommended for high boost race applications.

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Tim Plaster   December 22, 2017  


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The blower belt adjustment should be done with the motor cold, and have 3/4″ deflection in or out on the long side of the belt. This should give you 1 1/2″ total deflection. Once the motor is warm this will decrease to roughly 1/4″ deflection in or out, or a total deflection of 1/2″. Over tightening the belt can cause severe damage to the blower and/or crankshaft.

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Tim Plaster   December 22, 2017  


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