New 317 heads
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11 Second Club
iTrader: (6)
Joined: Feb 2003
Posts: 463
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From: Oklahoma City, OK
not sold, these will work on the LS1, 4.00" bore not needed. They are the stock heads off a 6.0L, usually used for vehicles that are going to run boost. If I remember correctly, they flow similair to the LS6 heads but with larger combustion chambers so will drop about a half a point or so in compression.


