Sonnax® 4L80E-LB1 - High Performance Automatic Transmission Line Pressure Booster Kit

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$35.24
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Vehicle Fitment

MakeModelYear
Aston MartinDB7 1997-1998
BentleyArnage 2000-2007
Azure 1996-2003
Brooklands 1993-1998
Continental 1993-2003
Turbo R 1993-1998
CadillacEscalade 2002-2003
ChevyAvalanche 2002-2006
Blazer 1991, 1994
CK Pickup 1991-2000
Express 1996-2009
G-Series 1991-1996
P-Series 1991-1999
Silverado 1500 2001-2005, 2007
Silverado 2500 1999-2007
Silverado 3500 2001-2007
Suburban 1991-2007
Tahoe 1995-1999
GMCCK Pickup 1991-2000
G-Series 1992-1996
Jimmy 1991
P-Series 1991-1999
Savana 1996-2009
Sierra 1500 2001-2007
Sierra 2500 1999-2007
Sierra 3500 2001-2007
Suburban 1991-1999
Yukon 1992-1998, 2000-2007
Yukon Denali 1999, 2001-2003
HummerH1 1994-2004
JaguarXJ-Type 1993-1996
Rolls RoyceCorniche 1993-1995, 2000-2002
Flying Spur 1995
Park Ward 2002
Silver Dawn 1995-1997
Silver Spirit 1993
Silver Spur 1993-1998
Touring Limousine 1994

Product Details

High Performance Automatic Transmission Line Pressure Booster Kit (4L80E-LB1) by Sonnax®. Includes: Pressure Regulator Spring, O-Rings (2), Large Ratio Boost Assembly. Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving conditions become more demanding. The pressure regulator springs are approximately 10% stronger than OE and more conservative in impact than other aftermarket kit springs. Large ratio boost valves provide higher pressure incrementally and when it is needed the most. The combination of these springs and valves in a Sonnax kit gives you the best of both worlds: a modest pressure increase at the low end, with a high-end pressure that is equal to or greater than that of other aftermarket kit springs.

Includes

  • Pressure Regulator Spring
  • O-Rings (2)
  • Large Ratio Boost Assembly

Features

  • Achieve shorter shifts and increased torque capacity without creating low-speed harshness
  • Improved band and clutch holding capacity for increased durability
  • Progressive pressure increase as driving conditions become more demanding
  • All the benefits of increased line pressure without overloading the pump at idle
  • Simple and affordable drop-in solution with no special tools or reaming required

Searching for high-quality components for a successful torque converter rebuild? Want to keep your sophisticated modern transmission perform at its best? Looking to protect the driveline from over-torque damage? Then superior-grade Sonnex automotive parts are right up your alley. Through a fusion of innovative engineering, technical mastery, and precision manufacturing, these groundbreaking parts are sure to overcome OEM limitations. They will deliver significant performance gains to help you enjoy the best rides of your life! On top of this, Sonnex components are recognized for their strength and reliability. Whether you buy parts for daily use or racing applications, they will perform consistently for years to come. Designed for your specific vehicle, Sonnex parts are easy to install. And you’ll get all these benefits at competitive pricing!

Sonnax® has been bringing superior-quality transmission and drivetrain components to the automotive aftermarket since 1978. The company has everything you need to remanufacture torque converters, rebuild automatic transmissions, upgrade driveshafts, and protect the driveline from over-torque damage. Headquartered in southern Vermont, Sonnax is one of the fastest-growing companies in the state, boasting state-of-the-art design, development, and inspection facilities. Sonnax also has technical development centers in California, Georgia, New Jersey, Missouri, and Wisconsin. The company consists of 250 employees who take great pride in the Sonnax name and strive to further the company’s reputation for excellent technical knowledge and customer dedication. As a leading supplier to the automotive aftermarket, Sonnax exports to more than 70 countries and supports emerging markets worldwide.

Brand:
Part Number:
4L80E-LB1
UPC:
194506351480
Alternate MPN:
4L80ELB1

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Sonnax® 4L80E-LB1 - High Performance Automatic Transmission Line Pressure Booster Kit
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