CNC ported LT1 heads set up for .660 lift cam, sold in Pairs
New GM castings (no core required)
Katech CNC porting
New OEM valves
Katech logo engraving
Assembled with a .660 lift dual valve spring kit
Complete heads ready to bolt on!
Sold as a pair
** will NOT fit 2022+ LT1/LT2 with smaller 6.0mm injector nozzle diameter. Please see PN:KAT-A7840 for 6.0mm injector fitment **
