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Ships within 48 hours · Estimated delivery Sep 10 - Sep 15
Square Bore In-Line to Square Bore Sideways
550 Degrees
and dial chart
Pontiac / Chevrolet 2006-2012
Hedman Street Headers - 55-57 Bel Air R09P003XL Square Bore In-Line to SquareHedman Hedders Standard Uncoated Headers; 1 5 8" Tube Diameter; 3" Collector; Full Length Design Hedman's Standard duty, Uncoated Hedders are manufactured using 18 gauge, mandrel bent primary tubes (some models built using thicker 16 or 14 gauge tubing), and 1 4 flanges (some models use 3 8" flanges). Hedman Hedders has been manufacturing quality headers and exhaust components in the USA since 1954. Hedman Hedders Standard Uncoated Headers 1 5 8" Tube
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