HEDMAN GM CAR HEADERS-SILVER

Hedman Hedders has been manufacturing quality headers in the USA since 1954. These headers are designed to increase engine performance and efficiency. They are made from 16-gauge mild steel tubing with 1/4" thick flanges at the head and collector. This particular model features Hedman's HTC coating, a ceramic-metallic formula that protects against extreme temperatures and road elements.

**Fitment Notes / Requirements (from OPGI):**
* Without smog injection or injection heads
* Includes parts to retain emission devices (50 States)
* With A.I.R. system
* Modify stock exhaust to retain catalytic converter
* Shorty Header/Maximum Ground Clearance (Note: product is mid-length, but this note was present)
* Not recommended for use with aluminum heads
* 70-later AC equipped vehicles require bracket # 20110
* Must use non-shell motor mounts
* Not legal for sale or use in California on pollution controlled motor vehicles (CARB Note 45)
* Will fit angle plug heads (Chevy aluminum only)
* Must modify rotary AC bracket
* Clearance modification may be necessary on Gen VI big-block engines (502) (Note: product is for Small Block, but this note was present)
* Designed with additional clearance for use with close ratio steering box

**Transmission Compatibility:**
* Manual Transmission - Floor: Yes
* Automatic Transmission - Column: No
* Automatic Transmission - Floor: No
* Manual Transmission - Column: No

**Power Steering Compatibility:** Yes