Proformance Transfer Case
Quick Change Transfer Case with Reverse Drive and Reduction
Reverse Direction Transfer Case with Reverse Drive. Most diff gears are weak when competitors use large diameter tyres. Instead of reducing the axle speed at the diff, the Proformance Transfer case reduces the tails haft speed by up to 50%, allowing competitors to use much stronger diff ratios.
Mounting the Engine in the rear of a vehicle results in the trails hafts and differentials operating backwards. Running Diffs Upside down results in the Rear Diff running on the Coast Side of the Ring Gear, reducing the differential strength and reliability by up to 75% Instead of running the front and rear differentials "upside down", the Proformance Transfer Case reverses the direction of the drive allowing the Diffs to be operated in the correct rotation direction.
To change the Final Drive Ratio of a 4WD Race Car or Buggy requires the removal and reconfiguration of both the Front and Rear Differentials to replace the ring an pinions. Removal the diffs and rebuilding them with different ratios can take up to 16 hours. The Proformance Transfer Case is fitted with Quick Change Gears that allow the ratio between the Gearbox and Differentials to be changed in under 30 minutes. Ratios include 1:1, 1.22:1, 1.50:1 and 1.85:1
Reverse Direction Transfer Case with Reverse Drive. Most diff gears are weak when competitors use large diameter tyres. Instead of reducing the axle speed at the diff, the Proformance Transfer case reduces the tails haft speed by up to 50%, allowing competitors to use much stronger diff ratios.
Transfer Case
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ULTRA 4
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IFS | IRS
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Off Road Racing
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FIA
To place an engine in the Rear of a 4X4 Race Truck or 4X4 Buggy, you must reverse the drive and be able to pass the rear Tail-Shaft past the engine. Proformance Motorsport Transfer Cases reverse the gearbox drive direction and allow the rear tails shaft to pass under the engine sump, connecting directly to the rear diff.
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Reverse Drive for Mid and Rear Engine Vehicles
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Various Adapters to suit most Transmissions
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Suits 4WD Race and Recreation Vehicles
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In Built Gear Reduction (Under Drive)
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No Need to use WEAK Ratio Diff Gears
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5:1, 6:1 and Higher diff rations have small pinions and are WEAK - Do not use them!
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Various "Under Drive" Ratios Available
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1.22:1 1.27:1 1.33:1 1.38:1 1.44:1
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1.50:1 1.56:1 1.63:1 1.70:1 1.78:1
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1.86:1 1.94:1 2.03:1
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No Need to Re Ratio Both Dff Gears to alter Final Drive Ratio
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Change Final Drive Ration in less than 30 minutes
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Urethane "Flex Mounts" fitted into the body
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Direct Drive CV Flanges
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Huge Billet Internals
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Super Strong 110mm Bearings
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Specifications | Dimensions | Pricing
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