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Categories
HEAD PLATES ~ HEADER FLANGE

Kustom Bitz makes these sturdy header plates in 10mm thick mild steel and we  also make them in 10mm thick stainless steel.
 
Custom made header plates ~ if you have a good accurate gasket or you are prepared to drop the head off to us Kustom Bitz can make a header plate to suit your application. Alternatively if you can produce an accurate drawing in AutoCAD we can make it for you.
 

All Kustom Bitz header plates have nice radius edges and clean flowing lines so they look cool and to allow polishing and flapper discs to quickly clean them up ready for chrome or in the case of stainless steel pre-polishing before you weld them up.
 
Another feature of KustomBitz extractor head flanges is that we have sized the hole in the header flange so the extractor tube will go through it which makes for easy welding of the inside of the flange and removes the need for unsightly welds on the outside and also allows more room for bolt and spanner clearance.
 
 
Most other header plates and extractor flanges offered for sale on the internet are only 8mm or thinner. The problem is with these thinner versions is they are prone to warp and that leads to trouble with fitting and un wanted extra noise.  There is a lot of labour in making custom extractors or headers so you need good exhaust parts in the first place.

Typically we have sized our header plates for 1 1/2 inch tube, 1 3/4 inch tube and 2 inch tube. Other sizes can be custom made upon request POA.
Sub Categories
Mild Steel Header PlatesStainless Steel Header Plates
Mild Steel Header Plates

Stainless Steel Header Plates






Header Plates ~ Head Flanges

Sort By
Header Plate Extractor Head Side Flange 10mm - Chevy big block 454 show headers Mild Steel - 2 inch pipes
Header plate for making custom headers - Price per plate ~ sold individually
$55.00
Header Plate Extractor Head Side Flange 10mm - Holden Chevy LS1-2-3 V8 Mild Steel - 1 3/4 inch pipes
Header plate for making custom headers - Price per plate ~ sold individually
$45.00
Header Plate Extractor Head Side Flange 10mm - Holden 253 308 V8 Mild Steel - 1 1/2 inch pipes
Header plate for making custom headers - Price per plate ~ sold individually
$45.00
Header Plate Extractor Head Side Flange 10mm - Ford Windsor 289 302 351 V8 Mild Steel - 1 1/2 inch pipes
Header plate for making custom headers - Price per plate ~ sold individually
$45.00
Header Plate Extractor Head Side Flange 10mm - Ford 351 Cleveland 2V Mild Steel - 1 3/4 inch pipes
Header plate for making custom headers - Price per plate ~ sold individually
$45.00
Header Plate Extractor Head Side Flange 10mm - Ford 351 Cleveland 4V Mild Steel - 2 inch pipes
Header plate for making custom headers - Price per plate ~ sold individually
$45.00
Header Plate Extractor Head Side Flange 10mm - Chevy small block early heads Mild Steel - 1 1/2 inch pipes
Header plate for making custom headers - Price per plate ~ sold individually
$45.00
Header Plate Extractor Head Side Flange 10mm - Chevy small block late heads Mild Steel - 1 3/4 inch pipes
Header plate for making custom headers - Price per plate ~ sold individually
$45.00
Header Plate Extractor Head Side Flange 10mm - Ford Windsor 289 302 351 V8 - SVO J302 Ford Motorsport heads - Mild Steel - 1 5/8 inch pipes
Header plate for making custom headers - Price per plate ~ sold individually ~ this one suits the OEM Ford Motorsport heads. Refered to as the SVO J302 alloy heads.
$55.00
Header Plate Extractor Head Side Flange 10mm - Ford Windsor 289 302 351 V8 - SVO J302 Ford Motorsport heads - Stainless Steel - 1 5/8 inch pipes
Header plate for making custom headers - Price per plate ~ sold individually ~ this one suits the OEM Ford Motorsport heads. Refered to as the SVO J302 alloy heads.
$105.00
Header Plate Extractor Head Side Flange 10mm - Chevy big block 454 stock heads Mild Steel - 1 7/8 inch pipes
Header plate for making custom headers - Price per plate ~ sold individually
$55.00
Header Plate Extractor Head Side Flange 10mm - Chevy big block 454 stock heads Stainless Steel - 1 7/8 inch pipes
Header plate for making custom headers - Price per plate ~ sold individually
$98.00
Header Plate Extractor Head Side Flange 10mm - Chevy big block 454 show headers Stainless Steel - 2 inch pipes
Header plate for making custom headers - Price per plate ~ sold individually
$98.00
Header Plate Extractor Head Side Flange 10mm - Ford Windsor 289 302 351 V8 Stainless Steel - 1 5/8 inch pipes - OVAL PORTS
Header plate for making custom headers - Price per plate ~ sold individually
$90.00
Custom made Header Plate Adaptors by Kustom Bitz - Priced on Application - Mild Steel or Stainless Steel - one off applications
Header plate for making custom headers - Prices start from $950 Priced on Application.
$1,150.00
Header Plate Extractor Head Side Flange 10mm - ARAIS Chevy LS1-2-3 V8 Mild Steel - 1 7/8 inch pipes
Header plate for making custom headers - Price per plate ~ sold individually
$65.00
Header Plate Extractor Head Side Flange 10mm - Ford Big Block 460 385 series Mild Steel
Header plate for making custom headers - Price per plate ~ sold individually
$49.00
Header Plate Extractor Head Side Flange 10mm - Holden V6 Mild Steel - 1 5/8 inch pipes
Header plate for making custom headers - Price per plate ~ sold individually
$42.00
Conversion Plate 10mm for Patriot Lakester Headers - Ford Windsor to Cleveland 2V Mild Steel - 1 1/2 inch pipes
Header plate for making custom headers - Price per plate ~ sold individually
$55.00
Header Plate Extractor Head Side Flange 10mm - Ford Big Block 390 FE series Mild Steel
Header plate for making custom headers - Price per plate ~ sold individually
$45.00
Header Plate Extractor Head Side Flange 10mm - Ford Big Block 390 FE series Stainless Steel
Header plate for making custom headers - Price per plate ~ sold individually
$98.00
Header Plate Extractor Head Side Flange 10mm - Buick Small Block 350 Stainless Steel
Header plate for making custom headers - Price per plate ~ sold individually
$98.00
Header Plate Extractor Head Side Flange 10mm - Buick Small Block 350 Mild Steel
Header plate for making custom headers - Price per plate ~ sold individually
$45.00
Header Plate Extractor Head Side Flange 10mm - Buick Nail Head V8 Mild Steel
Header plate for making custom headers - Price per plate ~ sold individually
$35.00
Header Plate Extractor Head Side Flange 10mm - Buick Nail Head V8 Stainless Steel
Header plate for making custom headers - Price per plate ~ sold individually
$85.00
Header Plate Extractor Head Side Flange 10mm - Ford Crossflow 4.1ltr 6cyl Mild Steel - 1 3/4 inch pipes
Header plate for making custom headers - Price per plate ~ sold individually
$45.00
Header Plate Extractor Head Side Flange 10mm - Chevy small block early heads Stainless Steel - 1 1/2 inch pipes
Header plate for making custom headers - Price per plate ~ sold individually
$98.00
Header Plate Extractor Head Side Flange 10mm - Chevy small block late heads Stainless Steel - 1 3/4 inch pipes
Header plate for making custom headers - Price per plate ~ sold individually
$98.00
Header Plate Extractor Head Side Flange 10mm - Ford 351 Cleveland 2V Stainless Steel - 1 3/4 inch pipes
Header plate for making custom headers - Price per plate ~ sold individually
$98.00
Header Plate Extractor Head Side Flange 10mm - Ford 351 Cleveland 4V Stainless Steel - 2 inch pipes
Header plate for making custom headers - Price per plate ~ sold individually
$98.00
Header Plate Extractor Head Side Flange 10mm - Ford Crossflow 4.1ltr 6cyl Stainless Steel - 1 3/4 inch pipes
Header plate for making custom headers - Price per plate ~ sold individually
$82.00
Header Plate Extractor Head Side Flange 10mm - Ford Windsor 289 302 351 V8 Stainless Steel - 1 1/2 inch pipes
Header plate for making custom headers - Price per plate ~ sold individually
$90.00
Header Plate Extractor Head Side Flange 10mm - Holden 253 308 V8 Stainless Steel - 1 1/2 inch pipes
Header plate for making custom headers - Price per plate ~ sold individually
$98.00
Header Plate Extractor Head Side Flange 10mm - Holden Chevy LS1-2-3 V8 Stainless Steel - 1 3/4 inch pipes
Header plate for making custom headers - Price per plate ~ sold individually
$98.00
Header Plate Extractor Head Side Flange 10mm - Ford Windsor 289 302 351 V8 WORLD PRODUCTS & AFR Mild Steel 3
Header plate for making custom headers - Price per plate ~ sold individually ~ this one suits World Products heads Jnr and Snr, uses the wider bolt flange for increased...
$55.00


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    Kustom Bitz news

    LS Engine swap and custom air bag IFS

    by kustombitz on 19 Feb 2020
    '67 Toyota Crown ute chassis build is going well. Got the LS engine and 6 speed manual box in place and we can use all the orginal serpentine pulleys, brackets etc. The narrow wheel track on the Toyota called for a tailored solution when it came to the front end.  These old Toyotas dont have service parts available any more so the front end had to be changed, so that made a brake upgrade alot easier too. We run R6 air bags from Air Ride sitting at a ride height of 6" for the air bag so got plenty of air volume in them for a good ride quality and a full length travel shock absorber so we get proper rebound tuning, along with a power steering rack.  So at the sill [belly of the car] we get a 5" ride hieght with a 4 inch drop, this thing will look great.

    Double shear brackets - rear coil overs Hot Rod Chassis

    by kustombitz on 30 May 2019
    Recently in Victoria some engineers have called for the upper and lower mounts for the rear coil over shockers to be a double shear bracket.  The thoery is that the bolt has too much twisting force on it and it will break. Well thats why on Hot Rods we use a 5/8" grade 8 bolt in a single shear bracket application to over engineer it so it does not break. A typical OEM application uses a 1/2" bolt in a double shear bracket. However to please the engineer we have thought out a simple plate kit that can be welded in on the upper mounts as you see here to satisfy their requirements and should fit into most applications without too much effort or rework.  We have a lower mount bracket nutted out as well.

    Diff bump stops custom made

    by kustombitz on 08 Mar 2019
    So many hot rod shops don't install proper bump stops.  In this instance we had to rebuild the shocker mounts on the diff as the rear end was bottoming out on the shocker travel becasue it had no properly designed bump stops in place. So the shock absorber mounting bracket was absorbing every bump when the suspension bottomed out, easy to see why both mounts broke. While we were repairing the diff I made a simple yet effective progressive bump stop that is held in place via the U bolts that hold the diff to the leaf springs. It turned out a very successful set up. This is yet another example how Kustom Bitz can sort out problems on your custom car or hot rod, its what we do.

    Torana A9X custom made rear pan hard bar 9" Diff

    by kustombitz on 08 Mar 2019
    Back in the day Group C racing one of the tricks to get the Holden Torana to handle nice and be more predictable in corners was to fit a rear pan hard bar to give much better diff locating than the OEM triangulated 4 bars offered.  However the body, subframe and floor pan at the rear is no where near strong enoungh to concentrate the loads of pan hard bar in any one spot, so it has to be carefully planned and constructed, especially so in a street car like this that we cannot put a full roll cage in. You see in a race car I can place the roll cage in a position to pick up such loads placed on the pan hard bar brackets, but in this situaton we couldn't. The picture above is with the unit installed, keep in mind the car was just a shell so no weight was in it and the rear is sitting high. Once the full wieght of the car is on, it will sit fairly level.  It retains the original triangulated 4 bars however we run PU bushes in the bottom arms and ordinary rubber in the top arms. So the lower arms and pan hard bar do the locating and the top arms have some give so they don't bind with the pan hard bar.

    Hot Rod 38 Plymouth custom panel fabrication

    by kustombitz on 04 Dec 2018
    We have put a lot of time and effort into this 38 Plymouth.  The whole rear lower panel and floor right through to under the seat has been completely hand fabricated and replaced.  The front and rear mud guards have been widened and the shape reworked for cleaner lines, the guard edge now follows the wheel's shape and shall feature a straight edge running board.to clean up those ugly Plymouth bits but still retain some typically Plymouth features like the swage lines. We have basically just fattened it up and made it more curvey.

    Our first wheels up Launch in Vintage Gas drag racing

    by kustombitz on 27 Aug 2018
    First pass for the day in Q1 in Vintage Gas [V/Gas] and we did our first wheels up launch in "Angas" and later in the day ran our best time so far with this combo with an 8.80s for the 1/8th mile track with an ET of 79mph.  The venue was Sunset Dragway which is just outside Mildura in country VIC. It was a 20deg sunny spring day with little wind, an all but perfect day for this time of year.  Great facilities at this venue for grass roots racers like us and they really looked after all of us racers, so its well worth the trip we had a blast. As far as our little 105e Anglia Gasser goes there is still heaps in it yet when a few tech issues get sorted out, but totally stoked at the moment. woo whooo .....

    Custom made fuel tanks

    by kustombitz on 14 Aug 2018
    Kustom Bitz has made a number of fuel tanks in mild steel and then we line them with KBS Coatings fuel tank liner which seals the inside off from rusting.  The beauty of mild steel is we can design it in such a way that it does not need strapps becasue it doesn't fatigue in a way like alloy or stainless steel with similar brackets.  It does not have to be perfectly square either, most of the tanks we have made are odd shapes to maximise the available space to gain maximum fuel capacity. The other advantage of mild steel is that in an accident it is less likely to split, even along the welds becuse we hand make them from cold rolled steel which will deform long before it splits and cracks. A custom tank is time consuming to do so if you can fit a cheap mass produced tank in your car then go for it, however if a technical outcome is what you are after then we can assist.

    Swan Hill Dragway in country VIC

    by kustombitz on 01 Jun 2018
    Nostalgia drags were on last weekend at the newly constructed Swan Hill Dragway. The first big meeting had an enourmous turn out of cars, there was some serious race cars there representing all classes. What a venue this track is going to be as they complete the supporting facilites.  Australian Nostalgia Racers put on the event in conjustion with the local Swan Hill Drag club members and it was a credit to all who were involved, I can tell you it is well worth the drive up there ..... just go. We had our Shop drag car that runs in Vintage Gas class, of which we have named ANGAS which is short [obviously] for Anglia Gasser.  This is our test bed for experience in racing and tuning AussieSpeed Performance Parts  We run a 250 6 cyl Ford Crossflow engine with an AussieSpeed AS0216 4brl intake and a double pumper carby, big hyd cam, high comp pushing down through a 4 speed stick to a Hilux diff.  First time out for the new combo and still alot of sorting to do, so the times were down but the fun level was up and over the top. You can view the build of the car here facebook@angliagasser 

    34 Ford Hot Rod Chassis with Winters Quickchange rear end

    by kustombitz on 27 Mar 2018
    We set up this winters quickchange rear end in a 34 Ford chassis on a set of our hair pin radius rods and coil over shocks.  This 34 Ford will be a hiBoy style hot rod so we bobbed the rear of the chassis and finished it off nicely so all the rear end will be on show, very nice .........

    AussieSpeed performance parts range at Ballarat swap meet

    by kustombitz on 27 Mar 2018
    Well another year done at Ballarat Swap Meet, tough year weather wise this year was certainly trying for us all. Thanks to all those who dropped by our site we really enjoy the feedback on our product range what ever your experiences have been, it is much appreciated.  There is so much on the go at the moment both with the AussieSpeed performance products range, our Kustom Bitz Hot Rod Parts and on going projects in our workshop keeps me running on empty .........

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