Transgo Performance 4L60E-HD2 Stage 2 Reprogramming shift kit
For the 4L60E, 4L65E, 4L70E and 4L75E automatic transmission
1993-2010 except Hybrid units.
This shift kit gives crisp muscle car shifts.
Puts the driver in command of the transmission.
Hold 1st, 2nd, and 3rd to any speed.
Backshift to 3rd, 2nd, or 1st at any rpm by moving the lever.
Kit includes the 7-CS high RPM clutch spring kit for high RPM vehicles, over 5,500.
Also includes the 4L60E-Boost, .500 boost valve.
NOTICE: 98 up: If vehicle has Torque Management this kit will not make hard shifts. However many aftermarket programmers for engine performance reduce Torque Management.
Does not require transmission removal for installation except for the installation of the 7-CS.
4L60E-BOOST: After March 2005 an Input Speed Sensor was added which requires transmission removal for installation. Prior to March 2005, the transmission will not need to be removed.
Fits all GM, GMC, Cadillac, Chevrolet, Buick, Hummer, Isuzu, Oldsmobile, Pontiac, and Saab with the 4L60E series transmissions. (16 pan bolts)
Astro Van 1993-2005
Envoy - XUV - Denali 2001-2010
Escalade, EXT, ESV 1999-2006
Firebird & Trans Am 1993-2002
Hummer H2 2003-2007
Hummer H3 2006-2010
Impala SS 1994-1996
Isuzu Ascender 2003-2009
Isuzu Hombre 1996-2000
Isuzu Pickup, I280, I350, I290, I370 2006-2009
SAAB 9-7 2005-2009
Safari Van 1993-2005
Sierra Truck 1993-2010
Silverado Truck 1993-2010
GMC & Chevy Van 1994-2010
Alternate part numbers: T74171E, 4L60E-2, 7005170EN