VCM LS LIFTER KIT ENGINE:LS1 - STAGGERED LENGTH **It is recommended to also

**It is recommended to also adjust the ECU calibration accordingly (Disable AFM)

air temperature sensor and crank case vent hose

to support your aftermarket transmission dipstick

For ARP main cap studs

VCM LS LIFTER KIT ENGINE:LS1 - STAGGERED LENGTH **It is recommended to also[ Giving your LS engine a birthday with new Lifters? ] With VCM's LS engine lifter kit you can give your engine a fresh set of GM Performance LS7 replacement lifters, GM head gaskets, GM Head bolts and GM Lifter Buckets*! For the ultimate upgrade, the option is there for not only ARP Head Bolts** but also ARP Head Studs. * With earlier 5. 7L LS, please check as to whether you require the LS1 style staggered head bolts or the later LS6 style same