Hedman Elite Hedders - 64-73 Mustang / 66-73 Ranchero / 66-69 Falcon DX2135K Number 3704 is a stock

Number 3704 is a stock replacement/street legal part for 305/350 V8s with factory T

25" 16-gauge tubing for increased performance

Z-20 Shield

Bearings and seal not included

12 in Square

Hedman Elite Hedders - 64-73 Mustang / 66-73 Ranchero / 66-69 Falcon DX2135K Number 3704 is a stockHedman Hedders Elite Headers; 1 5 8" Tube Diameter; 3" Collector; Full Length Design Hedman's ELITE Hedders are the best you can buy. They have thicker flanges. stronger wall tubing and a thermal coating that withstand full throttle thrashing and torturous towing. The extreme duty construction protects against burnout and exhaust leaks caused by the excessive heat and vibration present in high performance and towing applications. ELITE Hedders outlast