When using a throttle body injection plate a solenoid upgrade part# 40060 must be used to prevent vacuum siphoning. Snow Performance 10-15 Chevy Camaro SS 6.2L LS3; 2016+ Chevy Camaro SS 6.2L LT1; 14-17 Chevy Corvette C7 6.2L LT1 Throttle Body Spacer Injection Plate.
