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GM LT1~4 5TH GEN HEADER/MANIFOLD FLANGE (HRS) SET OF TWO

This item is CNC machined to fit 5th Gen 5.3/6.2L LT1~4 exhaust header/manifold flanges! GM's awesome completely new small block with direct injection and 11.3 compression ratio offers some nice potential. Previous LT engines used older style header flanges. Standard configuration is machined to fit 1-3/4 tube thru, or 1-7/8" butt welded. Other sizes can be built upon request.

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