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Generation III Internal Engine 1997-2006 LS1 | LS6
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4.8-5.3 heads

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Old 07-07-2012, 11:49 PM
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Will 2.02 valves fit with the small bore of a 4.8 or 5.3
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Old 07-07-2012, 11:52 PM
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The stock 4,8/5,3 need their head cut for bigger valves, but you can runs ls1/2 heads and get the 2.00/1.55 which is plenty for small cubes unless for forcEd induction
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Old 07-07-2012, 11:57 PM
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Thats why im asking before I buy some heads im looking at they have 2.02 1.55 valves in them, doing a turbo build. 210cc cnc ported
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