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HP-4L80E-01 - Sonnax GM Chevy Cadillac Isuzu 4L80E 4L85E Performance Pack 1991-2009
Sonnax®
Performance Pack
4L80E 4L85E
GM Chevy Cadillac Isuzu
1991-2009
- Buy 5 for $361.46 each and save 5%
- Buy 10 for $342.43 each and save 10%
Sonnax®
Performance Pack
4L80E 4L85E
GM Chevy Cadillac Isuzu
1991-2009
Sonnax® Performance Pack HP-4L80E-01 upgrades GM 4L80-E and 4L85-E transmissions for maximum performance and durability in work/sport vehicles. Innovative components work together to precisely recalibrate pressures and shift accumulation, delivering firmer shifts under load without sacrificing low-speed drivability. To target common wear areas in the transmission, the kit includes many improved parts to repair damage, prevent future wear and improve reliability.
Recalibrated shift accumulation, with tunability for great, heavy-duty shifts
Improved pump components minimize leaks, plus maintain pressure and lube under demanding use
The only way to eliminate TCC PWM function without over-pressurizing the converter
Includes internal parts for setup and to prevent common failures
Line Pressure Booster Kit
Lube Regulated Pressure Regulator Valve
TCC Pressure Limiter Valve, Spring & Plug
AFL Filter End Plug & O-Ring Kit
Direct Clutch Dual Feed Plug
Direct Clutch Dual Feed Aluminum Plugs (3) 2 Extra
1-2, 2-3 & 3-4 Accumulator Piston Springs (3)
Checkballs (8)
Twist Drill .062"
Twist Drill .086"
Heavy Duty Case Bushing & Bearing Kit
Direct Housing Support Ring & Seal
Heavy Duty Intermediate Piston Spring Retainer Plate
Case Saver Retainer
Heavy Duty Clutch Retaining Ring Intermediate Clutch
Accumulator Valve Springs & Adjustable End Plug 2 Springs
Heavy Duty Direct Piston Return Springs (8)
Forward Clutch Hub Front Washer .078"
Reverse Servo Spacer Kit
| 4L80-E | 1991 - 2009 |
| 4L80-E-HD/MN8 | 2002 - 2002 |
| THM-R2/MT1 | 1991 - 1991 |
| 4L85-E | 2002 - 2009 |
| Years | Vehicle | Drive Types |
|---|---|---|
| 1994 - 2001 | AM General Hummer | 4WD |
| 1997 - 1998 | Aston Martin DB7 | RWD |
| 1993 - 1998 | Bentley Turbo R | RWD |
| 1993 - 2003 | Bentley Continental | RWD |
| 1993 - 1998 | Bentley Brooklands | RWD |
| 1996 - 2006 | Bentley Azure | RWD |
| 2000 - 2007 | Bentley Arnage | RWD |
| 2002 - 2003 | Cadillac Escalade EXT | AWD |
| 2003 - 2003 | Cadillac Escalade ESV | AWD |
| 2002 - 2003 | Cadillac Escalade | AWD, RWD |
| 2004 - 2007 | Chevrolet W4500 Tiltmaster | 4 X 2 |
| 2004 - 2007 | Chevrolet W3500 Tiltmaster | 4 X 2 |
| 1991 - 1991 | Chevrolet V3500 | 4WD |
| 1991 - 1991 | Chevrolet V2500 Suburban | 4WD |
| 1991 - 1991 | Chevrolet V1500 Suburban | 4WD |
| 1995 - 1999 | Chevrolet Tahoe | RWD, 4WD |
| 2000 - 2007 | Chevrolet Suburban 2500 | RWD, 4WD |
| 2001 - 2003 | Chevrolet Suburban 1500 | RWD, 4WD |
| 2007 - 2007 | Chevrolet Silverado 3500 Classic | RWD, 4WD |
| 2001 - 2006 | Chevrolet Silverado 3500 | RWD, 4WD |
| 2007 - 2007 | Chevrolet Silverado 2500 HD Classic | RWD, 4WD |
| 2001 - 2006 | Chevrolet Silverado 2500 HD | RWD, 4WD |
| 1999 - 2004 | Chevrolet Silverado 2500 | RWD, 4WD |
| 2007 - 2007 | Chevrolet Silverado 1500 HD Classic | RWD, 4WD |
| 2001 - 2006 | Chevrolet Silverado 1500 HD | RWD, 4WD |
| 2002 - 2006 | Chevrolet Silverado 1500 | AWD, RWD, 4WD |
| 1991 - 1991 | Chevrolet R3500 | RWD |
| 1991 - 1991 | Chevrolet R2500 Suburban | RWD |
| 1991 - 1991 | Chevrolet R1500 Suburban | RWD |
| 1991 - 1999 | Chevrolet P30 | RWD |
| 1991 - 2000 | Chevrolet K3500 | 4WD |
| 1992 - 1999 | Chevrolet K2500 Suburban | 4WD |
| 1991 - 2000 | Chevrolet K2500 | 4WD |
| 1992 - 1999 | Chevrolet K1500 Suburban | 4WD |
| 1991 - 1999 | Chevrolet K1500 | 4WD |
| 1991 - 1996 | Chevrolet G30 | RWD |
| 2009 - 2009 | Chevrolet Express 4500 | 4 X 2 |
| 1996 - 2009 | Chevrolet Express 3500 | RWD |
| 1996 - 2009 | Chevrolet Express 2500 | AWD, RWD |
| 1991 - 2002 | Chevrolet C3500HD | 4 X 2 |
| 1991 - 2000 | Chevrolet C3500 | RWD |
| 1992 - 1999 | Chevrolet C2500 Suburban | RWD |
| 1991 - 2000 | Chevrolet C2500 | RWD |
| 1992 - 1999 | Chevrolet C1500 Suburban | RWD |
| 1991 - 1999 | Chevrolet C1500 | RWD |
| 1991 - 1994 | Chevrolet Blazer | 4WD |
| 2002 - 2006 | Chevrolet Avalanche 2500 | RWD, 4WD |
| 2000 - 2007 | GMC Yukon XL 2500 | RWD, 4WD |
| 2001 - 2003 | GMC Yukon XL 1500 | AWD, RWD, 4WD |
| 1992 - 2001 | GMC Yukon | AWD, RWD, 4WD |
| 2004 - 2007 | GMC W4500 Forward | 4 X 2 |
| 2004 - 2007 | GMC W3500 Forward | 4 X 2 |
| 1991 - 1991 | GMC V3500 | 4WD |
| 1991 - 1991 | GMC V2500 Suburban | 4WD |
| 1991 - 1991 | GMC V1500 Suburban | 4WD |
| 2007 - 2007 | GMC Sierra 3500 Classic | RWD, 4WD |
| 2001 - 2006 | GMC Sierra 3500 | RWD, 4WD |
| 2007 - 2007 | GMC Sierra 2500 HD Classic | RWD, 4WD |
| 2001 - 2006 | GMC Sierra 2500 HD | RWD, 4WD |
| 1999 - 2004 | GMC Sierra 2500 | RWD, 4WD |
| 2007 - 2007 | GMC Sierra 1500 HD Classic | RWD, 4WD |
| 2001 - 2006 | GMC Sierra 1500 HD | RWD, 4WD |
| 2001 - 2006 | GMC Sierra 1500 | AWD, RWD, 4WD |
| 2009 - 2009 | GMC Savana 4500 | 4 X 2 |
| 1996 - 2009 | GMC Savana 3500 | RWD |
| 1996 - 2009 | GMC Savana 2500 | AWD, RWD |
| 1996 - 1996 | GMC Savana 1500 | RWD |
| 1991 - 1991 | GMC R3500 | RWD |
| 1991 - 1991 | GMC R2500 Suburban | RWD |
| 1991 - 1991 | GMC R1500 Suburban | RWD |
| 1991 - 1999 | GMC P3500 | RWD |
| 1991 - 2000 | GMC K3500 | 4WD |
| 1992 - 1999 | GMC K2500 Suburban | 4WD |
| 1991 - 2000 | GMC K2500 | 4WD |
| 1992 - 1999 | GMC K1500 Suburban | 4WD |
| 1991 - 1999 | GMC K1500 | 4WD |
| 1991 - 1991 | GMC Jimmy | 4WD |
| 1991 - 1996 | GMC G3500 | RWD |
| 1991 - 1991 | GMC G2500 | RWD |
| 1991 - 1991 | GMC G1500 | RWD |
| 1991 - 2002 | GMC C3500HD | 4 X 2 |
| 1991 - 2000 | GMC C3500 | RWD |
| 1992 - 1999 | GMC C2500 Suburban | RWD |
| 1991 - 2000 | GMC C2500 | RWD |
| 1992 - 1999 | GMC C1500 Suburban | RWD |
| 1991 - 1999 | GMC C1500 | RWD |
| 2002 - 2004 | Hummer H1 | 4WD |
| 2005 - 2007 | Isuzu NPR-HD | 4 X 2 |
| 1992 - 2007 | Isuzu NPR | 4 X 2 |
| 1993 - 1996 | Jaguar XJS | RWD |
| 1994 - 1996 | Jaguar XJ12 | RWD |
| 2000 - 2005 | Workhorse P30 | RWD |
| 2002 - 2003 | Workhorse FasTrack FT931 | RWD |
| 2002 - 2003 | Workhorse FasTrack FT1802 | RWD |
| 2002 - 2005 | Workhorse FasTrack FT1801 | RWD |
| 2000 - 2001 | Workhorse FasTrack FT1800 | RWD |
| 2002 - 2005 | Workhorse FasTrack FT1601 | RWD |
| 2000 - 2001 | Workhorse FasTrack FT1600 | RWD |
| 2002 - 2005 | Workhorse FasTrack FT1461 | RWD |
| 2000 - 2002 | Workhorse FasTrack FT1460 | RWD |
| 2002 - 2005 | Workhorse FasTrack FT1261 | RWD |
| 2000 - 2001 | Workhorse FasTrack FT1260 | RWD |
| 2002 - 2005 | Workhorse FasTrack FT1061 | RWD |
| Manufacturer | Sonnax |
|---|---|
| High Performance | Yes |
| Condition | New Aftermarket |
| Item Returns | This item can be returned |