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TH400 Stage 1
Up to 1000HP
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TH400 S1 Bellhousing
HD Roller Tail
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The EXtreme Automaticsā„¢ Stage 1 TH400 includes:

EA Billet Pro Transbrake
Blasted and Prepped for Racing
Billet Hardened Stator Support
Billet 300M Input Shaft
CNC Forward Drum for Oversize Spline for Shaft Attachment.
Intermediate Snap Ring Case Support
Billet Clutch Hub
Clutch Hub Rollerized
2.48 Rollerized Gear Set
Rear Case TorringtonĀ® Thrust Bearing
Extra Wide Bronze Case Bushing
Billet Intermediate Shaft
Billet Aluminum Direct Drum
34 Element HD Sprag
Tube Shaft Modification (Keeps Direct Drum Parallel Extends HP Capacity of Sprag)
Silicon Bronze Tube Shaft Bushings
Low Drag Option (TorringtonĀ® Bearings used in lieu of Thrust washers)
Teflon Sealing Rings
Maximum Duty High Energy Clutches
H.O. Pump Assembly (Iron)
Deep Cast Aluminum Pan
Hi Flow Filter Assembly
1 Year Warranty
$450 Lifetime Freshen Up

Transmissions dyno-tested! Click HERE to see our trans-dyno in action!
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