Part Number:700R4 4L60 4L60E High Performance Servo Piston Package. Increased area provides more 2-4 Band power holding capacity for your hard working trans! This kit is a must-have upgrade, not-originally found in any transmissions besides . Fitment: For (H3)(H3T) 2006-2010 V8 5.3L For Rainer 2004-2007 L6 4.2L V8 5.3L For ,Wagon 1994-1996 V8 5.7L For Escalade,ESV,EXT 1999-2007 V8 5.3L 5.7L 6.0L ,Brougham 1993-1996 V8 4.9L 5.7L 1993-1996 V8 4.9L 5.7L For Astro Van,for 1995-2007 V6 4.3L 2001-2009 V8 5.3L , 1993-2007 V6 4.3L V8 5.3L Envoy,Trailblazer 1993-2009 L4 2.2L L6 4.2L V6 4.3L V8 5.3L 1994-2002 V8 5.7L Caprice,Wagon 1993-1996 V6 4.3L V8 5.0L 5.7L , 2004-2011 L4 2.8L L5 3.5L L4 2.9L L5 3.7L V8 5.3L Express, 1996-2011 V6 4.3L V8 4.8L 5.3L 5.7L 1994-1999 V8 5.7L S10,S15,, 1993-2004 L4 2.2L 2.5L V6 4.3L , 1500-3500 1995-2010 V6 4.2L V6 4.3L V8 4.8L 5.0L 5.3L V6 5.4L 5.7L 6.0L 1500-2500 1993-2008 V8 4.8L 5.L 5.3L 5.7L , 1993-2009 V8 4.8L 5.0L 5.3L 5.7L For Ascender 2003-2009 L6 4.2L V8 5.3L 5.4L Hombre 1997-2000 L4 2.2L V6 4.3L i280 2006 L4 2.8L i290 2007 L4 2.9L i350 2006 L5 3.5L i370 07-09 L5 3.5L For Bravada 93-04 L6 4.2L V6 4.3L For 94-02 V6 3.4L 3.8L V8 5.7L GTO 2004 V8 5.7L For 9-7,9-7X 05-09 L6 4.2L V8 5.3L Colour:Silver Material:Aluminum alloy Package Contents: 1Set * Servo Piston Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.