Thread: NOS 68/69 427 ZL1/L88 Piston & Ring Set GM 3947886 / 3888308
View Single Post
  #10  
Old 02-09-2022, 05:21 PM
RamAirBirds's Avatar
RamAirBirds RamAirBirds is offline
Yenko Contributing Member
  
Join Date: Jan 2018
Posts: 145
Thanks: 0
Thanked 83 Times in 37 Posts
Default
Not sure what your asking here. Are you inquiring as to whether these are for an OPEN or CLOSED chamber cylinder head?
Can somebody else chime in here? Aren't the ZL1 / L88 motors closed chamber?
Reply With Quote