Hedman Street Headers - 87-89 F-150 / 65-89 F250/350 RG10015S This Billet Style Cast Aluminum

This Billet Style Cast Aluminum Fluid Control Thermostat with 3/8" NPT ports allows the oil to bypass the cooler until it reaches 180°F at which point the internal thermostatic valve will close and force 100% of the oil through the cooler while maintaining a constant pressure system

Tan Textured Finish

This die-stamped two-piece front cover for small-block Chevys is made from

Increases the Sound and Power

Hedman Street Headers - 87-89 F-150 / 65-89 F250/350 RG10015S This Billet Style Cast AluminumHedman Hedders Standard Uncoated Headers; 1 1 2" Tube Diameter; 2 1 2" 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 in the USA since 1954, and they've been manufacturing Ford truck headers decades. Each set