Hedman Street Headers - 83-88 Thunderbird / 79-85 Mustang 10253C Air Gap Seal / Spacer

Air Gap Seal / Spacer

High quality polymer materials resist the heat sink effecct of aluminum

Notes: Block Castings Are Not Precise

H11 / H8 / H9 / H16

Each intake runner should be matched to the cylinder head port size or Fel-Pro gasket #1206 on all four sides of runner exit

Hedman Street Headers - 83-88 Thunderbird / 79-85 Mustang 10253C Air Gap Seal / SpacerHedman Hedders Standard Uncoated Headers; 1 1 2" Tube Diameter; 2 1 2" Collector; Mid 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 1 2"