March 09, 2016
4R100
Performance Pack
Part No. HP-4R100-01
View Instructions Find a Distributor
Sonnax Performance Pack HP-4R100-01 offers innovative, heavy-duty calibration for firmer shifts under load without sacrificing low-speed drivability. Precision components upgrade the 4R100 for maximum performance and durability by recalibrating pressures and shift accumulation. Durable, improved parts target commonly worn areas in the transmission to repair damage and prevent future wear and tear.
- Recalibrated shift accumulation, with tunability for great HD shifts
- Improved accumulator valves for greater clutch durability
- Improved pump components to minimize leaks and maintain pressure, TCC performance and lube
- Sure Lock overdrive retaining ring prevents loss of 4th
- Includes internal parts for setup and to prevent common failures
- 1-2, 2-3 & 3-4 Accumulator Control Valve Kits
- Heavy Duty Low/Reverse Modulator Sleeve Kit
- Line Pressure Booster Kit
- Line-to-Lube Pressure Regulator Valve
- TCC Control Plunger Valve Kit
- Front Lube/Drainback Valve Kit
- Line Pressure Modulator Plunger Valve Kit
- One-Piece Rear Case Bushing
- Center Support Gasket
- Intermediate & Direct Clutch Feed Seal Kit
- High Radius Relief Valve
- Rear Planet Endplay Shims (2)
- Performance Rated Accumulator Springs Green Springs (2), Yellow Springs (2), Red Springs (3), Non-Painted Springs (3)
- Sure Lock Overdrive Spiral Snap Ring
-
Patent
- 6,826,908
Videos
Eliminate Leakage & Optimize Performance with Sonnax O-Ringed Valves
This year I have installed 4 of the HP-4R100-01 kits and have been so satisfied with the reaction of my customers that I installed one in my own truck. Great product! Thanks Sonnax!
D. Grenfell
Sonnax Performance Packs
The Best Parts for Performance & Heavy Duty Recalibration
Performance enthusiasts look to Sonnax when building stronger, faster, more reliable transmissions. Performance Packs combine key Sonnax performance and heavy duty parts into powerhouse kits which take transmissions to the next level.
Learn More about Sonnax Performance PacksRelated Sonnax Parts
Required
Recommended
4R100, E4OD
Bore Sizing Tool 36948-12
-
Helps cure:
- Soft shifts
- No 2nd
- No 3rd
- No 4th
- Premature clutch failure
Required
Recommended
4R100, E4OD
Front Lube/Drainback Valve Kit 36425-01K
Melt-proof aluminum
- Material: Aluminum
-
Helps cure:
- OD planetary failure
Required
Recommended
4R100, E4OD
Sure Lock Spiral Snap Ring 36744-01
-
Helps cure:
- OD loss (E4OD)
- OD piston retaining ring popout
- Catastrophic failure (4R100)
Required
Recommended
4R100, E4OD
Unit Endplay Shim 36402-Z
Reverse planet endplay, 4 I.D. slots, .010" thick
- Material: Steel
- Inner Notch Count: 4
- Inner Dia.: 2.598"
- Thickness: 0.010"
- Outer Dia.: 3.760"
-
Helps cure:
- Driveline clunk
- Reduced seal ring life
- Rear component driveline wear