Thread: Possible 557 block build
View Single Post
  #15  
Old 02-18-2021, 08:50 PM
Jay S's Avatar
Jay S Jay S is online now
Ultimate Warrior
  
Join Date: May 2018
Location: Nebraska City, Nebraska
Posts: 1,754
Default
I am looking for 500557s. If I have any say the 557’s are going to become the new ultra light sought after Pontiac race blocks. This one is 4.155x4.25, 11.0 SCR, fully ported 6X, 2.125 int, 1.77 exh, 302/310, .630/.630 Bullet Solid Roller cam.
Attached Thumbnails
Click image for larger version Name: 20EDAA71-3ABA-4E50-9FA9-91F0F3E523DC.jpg Views: 315 Size: 91.4 KB ID: 561091  

Reply With QuoteReply With Quote