Air Flow Research 190cc CNC ported LT4 heads with 68cc combustion chambers (flow like modern 185cc heads)
Your choice of comp "Beehive" springs or AFR solid roller springs with steel locks
Matching genuine GM LT4 red intake
No studs rockers guides - just assembled with springs.

Came off a great runner and has about 20k miles of use in the last 10 years.
Put down 402rwhp and pushed a full weight impala ss to 12.3.
Great choice for a 350/355 rebuild - you pick the cam and compression - you can go any direction with these.

Will post pics up tomorrow.

$1300 + ship.

 

If they are LT4 heads they would be 195cc. 190cc would make them LT1 heads.

 

I speak the truth. LT4 part number stamped on the intake and 190 stamped on the back of the heads.

 

 

Sold!