Features:

• Tight fit block hugger design for popular hot rods powered by the popular small block Chevy motors
• Cast iron construction styled in the vintage “Rams Horn” design for maximum engine clearance and maximum strength
• Smooth transition, 1-5/8” diameter primaries are used for increased exhaust flow increasing performance and improving throttle response
• 3/8” thick 2-1/4” collector for maximum strength
• Thick manifold flange pads for a leak-free seal and maximum strength
• Premium aluminum manifold gaskets and collector hardware is included
• This manifold is raw "uncoated" so it is perfect to paint match or coat to match engine or body design
• Sold as a pair

About Flowtech Exhaust

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!​

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles.

The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

• 1965 and older U.S. manufactured California Certified vehicles
• 1967 and older U.S. manufactured Federally Certified vehicles
• 1967 and older Foreign manufactured vehicle

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

The following vehicles are considered Emissions Controlled Vehicles:

• 1966 and newer U.S. manufactured California Certified vehicles
• 1968 and newer U.S. manufactured Federally Certified vehicles
• 1968 and newer Foreign manufactured vehicle