Hi-Flow Tri-Y Under Chassis Small Block Headers
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Small Block Hi-Flow Tri-Y Under Chassis Headers
Designed to work with '67 & up A-bodies, '62 & up B-bodies, and '70-74 E-bodies for engine styles 273, 318, 340 & 360. Our Small Block Headers are built only ten sets at a time, and each set is individually test fit for quality and accuracy.
Our new under-chassis, Tri-Y header system gives you high-flow header performance with a custom fit that means you don't have to sacrifice your power steering. Retain exhaust studs in the heads — no more breaking into water jackets! Plus, unlike most headers, it doesn't capture the starter, has excellent spark plug clearance, and is easily installed from the top down. Works with manual or power steering.
(see installation instructions and tech tips)
• Works with automatic transmission only
• Requires smaller than stock starter (see recommended)
• Requires 90 degree oil filter adaptor or the shorty oil filter
• Tri-y step up design
• 1 3/4” primary - 2” secondary - 2 1/2” collector.
• 14 gauge steel tubing
• 3/8” flanges at the head
• Ball and socket joint at the collector
• High quality welds
• Mandrel bent for smooth flow
• Retain the exhaust studs in the heads
(no more cooling leaks)
• Does not capture the starter
HSB (Uncoated) - $680 + $45 S&H 
HSBC (Chrome Plated) - $760 + $45 S&H
HSBCE (Ceramic Coated) - $930 + $45 S&H
*NOTE* On occasion shipment of Chrome and Ceramic Headers might be delayed due to plating time
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Header Accessories |
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Mini Starter
This is the starter we recommend for use with all of our big block and small block header applications. It's not the only starter that will work, but it's the one most commonly available new - from us or your Dodge dealer. In fact, it's the starter we use to test fit all of our headers. See additional information and installation photos here.
*NOTE: We carry limited stock on this item. On occasion shipment of Mini Starter might be delayed due to re-stocking time.
HMS - $157 + $15 S&H
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Small Block Header Stud Pack
*COMING SOON* Contains all grade 8 hardware with grade 9 washers. Install as per factory manual.
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| PHOTO COMING SOON |
Small Block Header Gasket Kit
*COMING SOON* Contains 4 header gaskets. Included for free with any header purchase or available for purchase separately.
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Accessories Included!
Small Block Headers come with header gaskets, bolt pack, and a set of 4” socket flange stubs to weld to your exhaust.
(Socket Flanges - included) |
(Ball Joint Bolt Pack - included) |
(Utilizes popular ball and socket joint) |
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Available Header Finishes |
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CHROMEX (CERAMIC) PLATING is our best performance coating. Its thermal barrier characteristics provide a dramatic reduction in radiated heat. This means reduced under-hood temperatures, accelerated exhaust gas velocity and a longer life expectancy for the entire exhaust system, not to mention chemical and corrosion resistance.
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SATIN BLACK (CERAMIC) PLATING* is our stealthy, semi-flat black alternative to the Chromex performance
coating. It shares the same
thermal barrier, heat
reduction, accelerated
exhaust, and corrosion
resistance characteristics
as the Chromex ceramic
coating.
*Special order, call for availability.
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CHROME NICKEL PLATING is a good coating at a reasonable price. It resists corrosion and protects against rust. It has a bright shine, but it does change color with heat.
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BARE METAL (uncoated) headers are our least expensive exhaust solution, but they will rust unless painted or plated.
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| Our ceramic plating is done at Performance Coatings in Auburn, WA. Please visit their website for more information about ceramic plating. |
Click here to see our Header Package Deals! |
