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2004R Stage I
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We only use select cores
Case is media blasted and race prepped
All bushings are replaced
All Torrington® bearings are replaced
All thrust washers are replaced
All seals and gaskets are replaced
Carbon Band installed in every unit
New Pump assembly installed in every unit

NOTE: You must choose Lock Up or Non-Lock Up type option when ordering. If you fail to choose, your transmission will ship with Single Wire L/U and may not work with stock or aftermarket ECMs. YOU will be responsible for ALL cost incurred to rectify the lapse in choosing YOUR Lock Up Type!

Please choose one of the 4 Lock Up or Non-lockup options by clicking the Option. There is no additional cost for specifying.


EA Super Pump™
Billet anchor pin
Tensioned Teflon™ sealing rings
3 clutch OD
Tested and sealed center support
Race clearances
Heat Treated Forward Drum
BR Size Servo
HO Low Roller Clutch
New OD Roller Clutch
Hi Performance Calibrated Valve Body **BRC™
Lock up or Non Lock-up
Governor Calibrated for approx. 4800-5200 RPM shifts
$450 Lifetime Freshen up (Original Purchaser)
1 Year Warranty ( 6 months on Forward Clutch Drum Shaft Breakage)
$200.00 Core Charge OR $450.00 BRF Core Charge

Dues to the rising core cost of 2004Rs and the difficulty to find them We must implement a core charge of $200 across the board. The core charge of $200 is refundable if a core is returned in 30 days. Cores not returned in the specified 30 days will not be refunded unless other arrangements are made. Extreme Automatics will pay the return shipping cost on the core return if shipped on our account. We will refuse cores not shipped on Extreme Automatics' account.

Cast aluminum Deep Pan with Botton feed filter
BRF Core Charge

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