Features:

• Painted versions feature a premium high-temperature black finish
• Horsepower and Torque increased over conventional header design
• Big 3-inch secondary collector for reduced back pressure
• Tuned-length primary tubes combine with Velocity Tube to smooth out exhaust pulses
• Patented Velocity Tube increases cylinder scavenging
• All hardware and premium gaskets included for a complete installation

About Flowtech

Flowtech provides high-quality performance exhaust systems at a great value. Explore our lineup of headers, mufflers, and exhaust systems at our official retailer, Holley.com!​

• Mr. Gasket Header Bolts -3/8-16 x 1 Inch Hex Head - Black Oxide

  Fits AMC 290-401, Chevrolet Small Block 262-400, Chrysler 383-440 except Hemi, Pontiac 326-455, Oldsmobile 330-455

  Part# 917

  $19.95

  Qty: 

  Add To Cart

The following vehicles are considered Racing Use Only Vehicles:

• Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street.

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle