Sonnax Line Pressure Booster Kit 4L60E 4L65E 4L70E

Sonnax Line Pressure Booster Kit for 4L60-E, 4L65-E, 4L70-E The Sonnax line pressure booster kit 4L60E-LB2 fits late-style GM 4L60-E, 4L65-E, and 4L70-E pumps. This kit combines stronger pressure regulator springs and large ratio boost valves to deliver progressive pressure increases as driving conditions demand. Features Shorter shifts and increased torque capacity without low-speed harshness Improved band and clutch holding for durability Progressive pressure increase without overloading the pump at idle Drop-in Zip Valve™ parts for quick installation Note For "long" 1.907" sleeve applications, use 4L60E-LB1. See instructions for more details. Contents Pressure Regulator Spring O-Rings (2) Large Ratio Boost Assembly Transmissions: 4L60E (M33,M30) 1993-UP, 4L65E (M32) 1993-UP, 4L70E (M70) 2004-UP Vehicle BUICKRAINIER 2003-2007 4 SP R/4WD L6 4.2L V8 5.3LROADMASTER SEDAN, ROADMASTER WAGON 1995-1996 4 SP RWD V8 5.7LCADILLACESCALADE/ESV/EXT 1999-2006 4 SP R/4WD V8 5.3L 5.7L 6.0LFLEET