Category: Engine - Power Adders
Price: $800
Location (State): TX
Item Condition: Used
Engine: LS1/LS6

SOLD!!!!Like title says. Set of 317's that have been worked over and checked. They have bowl work and they have been cc'ed and milled to match at 70.5cc
These are a decent set of heads that also include prc dual valve springs good to .650 lift.
Will sell without valve springs for $550. Buyer pays shipping and paypal. I will even throw in a new set of TR-6 spark plugs gapped for free. These are preferred for FI applications. Reason for selling... Im going to stay NA.
PICS below. Trades considered... 243 heads, or ported 5.3/5.7 heads.



thanx for looking.

 

afternoon bump

 

Who did the port work?

 

local guy did the port work.
bump.

 

what would the compression be for a stock ls1 short block???

 

Should be just under 10:1 if I calculated right on a stock ls1.

 

sent you a pm.

 

On my calc I get 9.67cr with stock .051 gasket. Might be a little off but shouldn't be much off with a 70.5 cc chamber.
Replied.

 

sent you a pm

 

Sold