GDI Stock LT4 Replacement| (PN: 12668397 or Equivalent)

Brand New Stock LT4 Replacements

Supersedes: 12650284, 12672374, 12684130, 12683517

Applications:

• High horsepower GM Gen V V8 and V6 direct injection engines including LT4, LT1, L86, L83 and LV3 E85 conversions of GM Gen V V8 and V6 engines 
• 2014-2017 C7 Corvette LT1 
• 2015-2017 C7 Z06 Corvette LT4 
• 2016-2017 Camaro SS LT1 
• 2016-2017 CTS-V LT4 
• 2014-2017 Silverado and Sierra with 4.3L LV3, 5.3L L83 and 6.2L L86 engines 
• 2015-2017 Suburban, Tahoe, Yukon and Escalade with 5.3L L83 and 6.2L L86 engines 
• there is no functional difference between "low", "nominal", and "high" versions; you just need all eight to match.