MSD® 2770 - Atomic™ Transmission Controller Harness

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Product Details

Atomic™ Transmission Controller Harness (2770) by MSD®. Designed utilizing the latest technology, this product by MSD features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or exceed stringent industry standards.


  • Designed to deliver trouble-free, consistent performance
  • Right for your vehicle and lifestyle
  • Made from high-quality materials for ultimate durability
  • Manufactured to meet or exceed strict quality requirements
  • For use with Atomic TCM

Founded in 1970 MSD®, LLC is the leader in performance ignition components today's racers need to step up their vehicle's performance. MSD has completely redefined the ignition system by using cutting-edge technology called capacitive discharge (CD) that makes it possible to spark multiple times. The pioneer in research and development of high-performance ignition systems, the company offers the finest parts, including ignition controls, distributors, coils, timing accessories, spark plug wires, and more. Every product that leaves the state-of-the-art MSD factory is rigorously tested to deliver flawless quality and push the performance to the max while improving starting and ensuring smooth idle. That's why MSD is the number one ignition choice for performance fanatics and hardcore racers in NHRA, IHRA, NASCAR, World of Outlaws, DIRT, SCORE, IDBA, and many more.

Part Number:

Vehicle Fitment

Commercial Chassis 1994-1996
Rainier 2004-2007
Roadmaster 1994-1996
Commercial Chassis 1994-1996
Escalade 1999-2000, 2002-2006
Fleetwood 1994-1996
Astro 1993-2005
Avalanche 2002-2008
Blazer 1993-2005
Camaro 1994-2002
Caprice 1994-1996
CK Pickup 1993-2002
Colorado 2004-2012
Corvette 1994-2004
Express 1996-2015
G-Series 1993-1996
Impala 1994-1996
P-Series 1993-1999
S-10 Blazer 1993-1994
S-10 Pickup 1993-2004
Silverado 1500 1999-2013
Silverado 2500 1999-2007
Silverado 3500 2001-2007
SSR 2003-2006
Suburban 1993-2009
Tahoe 1995-2009
Trailblazer 2002-2009
Canyon 2004-2012
CK Pickup 1993-2002
Envoy 1998-2000, 2002-2009
G-Series 1993-1996
Jimmy 1993-2005
P-Series 1993-1999
Safari 1993-2005
Savana 1996-2014
Sierra 1500 1999-2013
Sierra 2500 1999-2007
Sierra 3500 2001-2007
Sonoma 1993-2004
Suburban 1993-1999
Typhoon 1993
Yukon 1993-2009
Yukon Denali 1999, 2001-2006, 2010
Bravada 1993-1994, 1996-2004
Firebird 1994-2002
GTO 2004-2006
Rolls Royce
Corniche 1993-1995, 2000-2002
Flying Spur 1995
Park Ward 2002
Silver Dawn 1995-1997
Silver Spirit 1993-1995
Silver Spur 1993-1998
Touring Limousine 1994


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MSD® 2770 - Atomic™ Transmission Controller Harness

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