Features:

• Block hugger design fits the most popular hot rod or street rod applications with small block Chevy motors using the fast burn D-port heads
• Mandrel-bent tubes provide consistent tubing diameters for smooth flow and increased exhaust velocity
• Heavy duty 16-gauge tubing for increased strength and durability
• Smooth transition, 1-5/8” diameter primary tubes are used for increased exhaust flow increasing performance and improving throttle response
• Machined 2-1/2” collector for maximum strength
• TIG-welded, machined 3/8” header flange for a leak-free seal and maximum strength
• Premium aluminum header gaskets included
• Header is coated in high heat resistant black paint for a classic look

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