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MS3Pro EVO with GM LS 58x Plug and Play Harness
From: $1,899.99This COMPLETE package includes an MS3Pro EVO ECU and 58X EVO/ ULTIMATE Drop On Harness Experience the MS3Pro EVO. MS3Pro EVO is an evolution, not a revolution- a scaled up, more capable MS3Pro due to shared technology with big brother, MS3Pro Ult...
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MS3Pro ULTIMATE with GM LS 58x Plug and Play Harness
From: $2,099.99This COMPLETE package includes an MS3Pro ULTIMATE ECU, a 58X ULTIMATE specific Drop On Harness & black center expanded I/O pigtail. Experience the ULTIMATE. Developed from the MS3Pro 1st Gen platform, the Ultimate brings NEXT LEVEL capability...
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GM LS 58x Plug and Play Engine Harness – for MS3Pro Ultimate/Evo
From: $899.00For MS3Pro ULTIMATE/ EVO plug and play installation on GM LS engines with a 58x crank trigger. The MS3Pro 58x LS Plug and Play Harness is the highest quality, best value option for LS Motors in the industry today. Save your hard earned time and money...
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