Features:

• Perfect header for vintage lake-style rods. Taken from the classic Lakester rods from the early dry lake and Bonneville speed racers
• High flow, mandrel-bent tubes provide consistent tubing diameters for smooth flow and increased exhaust velocity
• Heavy duty tubing and high quality welds for increased strength and durability
• Smooth transition, 1-3/4” diameter primary tubes are used for increased exhaust flow increasing performance, improving throttle response and broadening the torque curve
• Long transition velocity collector connects to an undercar exhaust or the block off plate can be removed for maximum sound output
• TIG-welded, machined 3/8” header flange for a leak-free seal and maximum strength
• Premium aluminum header gaskets and installation hardware included
• Coated in polished silver metallic ceramic coating for maximum corrosion resistance, an aggressive look and reduced skin temperatures

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 3/4 Inch Hex Head - Set of 16

  Fits 1965-1990 Chevrolet 396-454 Big Block and 1962-2001 Ford 221-351W

  Part# 919G

  $20.10

  Qty: 

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• Header Gaskets - Aluminum-Layered - 396-454 Chevrolet Big Block Mark IV 1965-90

  Flowtech, Dead Soft Layered Aluminum Material, Round Ports

  Part# 99153FLT

  $99.95

  Qty: 

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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