Headers, Hedman, 1964-77 Chevrolet 283-400, 1-5/8", Full Length

Available in a variety of styles

The Hedman name has been synonymous with quality and performance at a fair price for over 50 years. Simply bolting on a set of these headers will increase both engine performance and efficiency. Original style headers are manufactured using 16-gauge steel tubing and feature 1/4" thick flanges at the head and collector. Headers are available in a standard black or Hedman’s HTC coating, a ceramic-metallic formula that protects the headers from extreme temperatures and harsh road elements. These are the perfect choice for any classic street machine. Hedman’s Elite series headers are the top-of-the-line. Constructed with heavy 3/8" flanges and 14-gauge tubing, these headers are built to withstand even the toughest conditions. All Elite series headers also feature Hedman’s HTC coating for additional protection and good looks.

PLEASE REFER TO THESE APPLICATION NOTES: 1. Without smog injection or injection heads 4. Includes parts to retain emission devices (50 States) 5. With A.I.R. system 6. Modify stock exhaust to retain catalytic converter 15. Shorty Header/Maximum Ground Clearance 20. Not recommended for use with aluminum heads 26. 70-later AC equipped vehicles require bracket # 20110 31. Must use non-shell motor mounts 45. Not legal for sale or use in California on pollution controlled motor vehicles 103. Will fit angle plug heads (Chevy aluminum only) 121. Must modify rotary AC bracket 208. Clearance modification may be necessary on Gen VI big-block engines (502) 234. Designed with additional clearance for use with close ratio steering box