Enjoy Free Shipping on Merch Orders Over $55

Poor Boys Diesel Performance & Auto Repair | Logo

Send Us A Message

SHOP Hours

Mon - Thurs 7:00 am -6:00 pm

Give Us a Call

48RE TRANSMISSION STAGE 4 1,000HP+ W/ SONNAX OVERSIZED INPUT SHAFT

$10,395.00
Core Charge
Year
Please choose
Make / Model
Please choose
VIN #
Enter your text
2WD or 4WD?
Please choose
Turbo Setup
Enter your text
Injectors/Fueling Upgrades?
Enter your text
Tire Size?
Enter your text
Gear Ratio?
Enter your text
Do you plan on any future upgrades?
Enter your text
Billet Flexplate (Required for this transmission)
Please choose
Choose Your Stall Speed
Please choose
Would you like to add full manual valve body? Includes billet reverse servo?
Please choose
Would You Like Transmission Fluid? Requires Two (2) Cases For Full Fill
Please choose
Choose Your Shirt Size for Free Tee and Hoodie
Please choose
In stock
Product Details
Brand: Randy's Transmissions

Stage 4 48RE - 1000+HP - XHD Series Quad Disc Converter - 03-07 5.9 Commonrail Cummins

  • XHD Series Quad Disc Converter - two stalls available: Stock (Tow/Daily 1800-2000 RPM) High (Street/Track 2400-2600 RPM)
  • GPZ or equivalent Clutches, New kolene steels
  • Power-packed overdrive with custom pressure plate
  • TCS Billet direct drum with powerpack
  • TCS super servo, Billet band strut, Billet wedge
  • Billet Accumulator
  • Billet 4.2 lever
  • Sonnax or equivalent Billet Input shaft “OVERSIZED”
  • Ridged 2ng gear band
  • H/D direct drum piston
  • Borg Warner Governor pressure solenoid
  • High pressure transducer
  • HD Cast aluminum deep pan
  • Billet maraging intermediate shaft
  • Big daddy output shaft
  • Custom high pressure valve body
  • PTFE coated thrust washers
  • Add full manual valve body +$399 includes billet reverse servo

This is the same transmission build that is in our 2006 Ram 3500 "Red Delicious"; which laid down 2,778HP on 8/26/2023

This transmission is also backing up Shawn Baca's "Master Shredder" and propelling it into a 8.8 second ¼ mile run @157mph during the UCC.

And same internals as our record shattering run in the Industrial Injection drag truck weighing in at 5445 pounds on leafs running 8.07 @180mph during the UCC

WARRANTY

1 Year 12,000 mile limited warranty will not cover broken cases or shafts of transmission. Abuse, misuse, or burn down due to operator error will void warranty. Any warranty work must be performed at Randy’s Transmissions in Tooele UT. It is the vehicle owner’s responsibility to ship transmission or vehicle to Randy’s location for any and all repairs needing to be performed. Any repairs to transmission not authorized by Randy’s Transmissions will void warranty and will not be covered by Randy’s Transmissions.

WARRANTY IS NON-TRANSFERRABLE

Appropriate gear ratios

  • 35" tire min gearing is 3:73 recommended 4:10
  • 37" tire min gearing is 4:10 recommended 4:30
  • Larger than that should be running a 4:56 ratio
Save this product for later
Share this product with your friends
48RE TRANSMISSION STAGE 4 1,000HP+ W/ SONNAX OVERSIZED INPUT SHAFT
Share by: