[mikeww9736]

I have 2003 LS 4.3, and i was wondering do i have 4 or 2 bolt main caps??

 

[BlackS10SS]

Most of the 4.3 i hace opened were 2 bolt mains...Even the SY-TY 4.3 is 2 bolt...

 

[syclonekid43]

i say the same . its a 2 bolt, but there is a kit that you can make it a 4 bolt.