*Compatible with 1966-87 small block Chevy and GMC Pickup engines using standard exhaust patterns such as 305 and 350 (5.0L, 5.7L)
*Black coated finish
*These headers are manufactured with 5/16" flanges. Tube diameter is 1 1/2". Collector 3"
*Works with both straight and angle plug heads
*Package include headers, all gaskets, bolts, and collectors with flanges
*Greatly improve your engine performance
*No Instruction included, professional installation is highly recommended
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