DId you know about our Hellcat 426 short block?
Need 1000HP? - here you go.
TRAKit visits Arrington
in their second official
webisode.

Watch the Arrington Performance Intro    

Line Pressure Kits

Increase the shift firmness in your HEMI vehicle with a line pressure Kit. 
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Southern HotRod MOD4 Valve Body: Add this MOD4 Valve Body to your HEMI transmission for firmer and quicker shifts. This valve body was designed using Southern HotRod's Street testing that monitors all clutch pressures, torque converter pressures, and torque converter lock up clutch pressures all with accurate analog gauges. The more aggressively you drive, the firmer the shifts will engage, yet during normal driving the unit engages smoothly. Downshifts are also firmer than stock,... 
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MSRP:$720.00
SKU:SHR-21030
Dimensions:18X18X12
Weight:20.0 lbs
Price:$600.00