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Small Block Chevy 1935-48 Fat Fenderwell Headers, Plain

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Specs
Material Type:
Steel
Sold in Quantity:
Pair
Flange Style:
Round Port
Header Tube Type:
Fenderwell
Gasket(s) Included:
Yes
Hardware Included:
Yes
Overall Height:
19.00
Tube O.D.:
1.63
Flange Thickness:
.31
Header Dimension A:
19.00
Header Dimension B:
11.25
Header Dimension C:
27.00
Drivers Side Dimension A:
19.20
Drivers Side Dimension B:
11.88
Drivers Side Dimension C:
27.00
Passenger Side Dimension A:
18.88
Passenger Side Dimension B:
12.50
Passenger Side Dimension C:
26.38
Collector Diameter :
2.5
Collector Length:
4.5
Notes
Collector flange is angled. Made from 18 gauge tubing. Reducers are 2.50" to 2.25".
Small Block Chevy 1935-48 Fat Fenderwell Headers, Plain
Small Block Chevy 1935-48 Fat Fenderwell Headers, Plain
VIDEO
Small Block Chevy 1935-48 Fat Fenderwell Headers, Plain

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Please note the following about this product:

  • This item is sold as a pair.

Details

Reviews (31)

Q & A (20)

What's in the Box

Info

These small-block Chevy 265-400 V8 headers are designed for optimum performance in a variety of 1935-1948 fat-fendered street rod and pickup applications. Perfect for Gasser-style rods and drag cars, the fender well headers have long primary tubes that curve over the frame and through the fender wells. You must cut the inner fender panels to make them fit.

Fender Well Header Specs Chart (GIF) 

Includes collectors, collector gaskets, header gaskets, header bolts, and collector bolts.

Item Details

Header Dimension Explanation Chart

Application

  1. Can be used with most oil filter system or transmission and starter combination.
  2. Fits most angle plug heads.
  3. Check motor mount position before ordering.
  4. Not legal for sale or use in California on pollution controlled vehicles.

Notes

  • Primary Tube Diameter:  1-5/8"
  • Collector Diameter:  2-1/2"
  • Header Flange Type:  Round Port
  • Gasket Ports:  1-7/8" x 1-3/8"
  • Base of flange to bottom of collector is 9"
  • At approximately 6" from flange at 2nd bend, there is about 2" of drop from flange
  • At approximately 15" from flange at 3rd bend, there is about 4" of drop from flange

Specs


Customer Reviews

Rated 4.6 out of 5 by 31 reviewers.
RATING BREAKDOWN
31 reviews
5 Stars
20
4 Stars
11
3 Stars
0
2 Stars
0
1 Star
0
RECOMMEND THIS PRODUCT:

turbo kid
Verified Purchaser
shelton wa.

fit perfect building 40 pickup

September 07, 2016
price was great great fit
Yes, I recommend this product.
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AK Duece
Verified Purchaser
Verified Reviewer
AK

The fit was great , even worked with a manual Trans

June 06, 2016
We needed to be able to fit an exhaust on this car with out going under the car as it was to low and cluttered . This was the answer
Pros:
  • Loud
  • Cleans Up The Engine Bay
  • Old School
Yes, I recommend this product.
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Papi
Verified Purchaser
Grand island NE

Good fast showed up in no time on my door step

March 20, 2016
Good quality showed up fast on my door step
Yes, I recommend this product.
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cody
Verified Purchaser
Verified Reviewer
santa rosa county,fl.

fat fender headers

January 14, 2016
It was exactly what we were looking for. The fitment was exact and the quality of the product was great. Shipping was on time and parts were not damaged or mistreated in shipping.
Pros:
  • Fitment was perfect
  • And Grrat Quality In Prod
  • Would Order Again For Sur
  • Shipping Was Fast
Cons:
  • None
Yes, I recommend this product.
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Speedy
Verified Purchaser
Saint Charles Mo 63303

Perfect fit and look for my Rat Rod!

January 14, 2016
I'm building a Rat Rod and your headers are the perfect exhaust for my need!
Pros:
  • Quality And Price Perfect
  • Quit
Yes, I recommend this product.
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scoob
Verified Purchaser
Gold Beach, OR

i would buy this product again

December 21, 2015
fit perfectly, easy install and great hardware that comes with it.
Pros:
  • Comes With All The Goods
  • Fit perfectly
  • Fast Shipping
Yes, I recommend this product.
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31 gas coupe
Verified Purchaser
Winston Salem NC

Nice fenderwells

October 09, 2015
Work perfect for my 31 coupe.... Different than the usual lake pipes... Very happy with these..!!
Yes, I recommend this product.
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Dirtcar1
Verified Purchaser

The bends look good on a open car.

April 06, 2015
Nice looking headers and exit at a good location. I wish they would use 3" collectors.
Yes, I recommend this product.
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jalopy
Verified Purchaser

worked for me

February 05, 2015
my jalopy is a sbc,homebuilt frame,1947 ford f3 cab, its channeled 8", the headers fit the body line pefect, just the look i wanted, thanks speedway
Yes, I recommend this product.
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Joe76
Verified Purchaser
Dexter, MO 63841, USA

Built berry well

October 18, 2014
I use these headers for a mudtruck and they work out great they are built verry strong I really like the product
Pros:
  • Sound great
Cons:
  • a few modifications
Yes, I recommend this product.
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Page 1 of 4

Product Q&A

20 questions : 21 answers

1 answers

Will these fit on a 1939 Ford Truck with a 327 SBC?

LeadfootAndy
February 13, 2015

Will these fit on a 1939 Ford Truck with a 327 SBC?

Answers

February 13, 2015
Tech
Yes these should work well on your 39 Ford pickup.
1 answers

I have a 1940 chevy coupe with a SBC and a must II front end, will these fit?

chevymike
January 08, 2014

I have a 1940 chevy coupe with a SBC and a must II front end, will these fit?

Answers

January 08, 2014
EricM
These fat fendered fenderwell headers are basically designed for the vehicles with the solid axle suspension and the tubes leave the engine perpendicularly straight out over the frame and then configure down and back. When the suspension is changed to an independent style with upper control arms many times there are clearance issues. If you have the engine in the car straight out from the heads you will need to berify the tubes will clear the suspension. If not then you will need to go with a fenderwell style such as 930C4. On these the primaries leave the head and go up approximately 9” and then out and angle down and back.
1 answers

Does this collector ring 91013369 fit these pipes?

August
June 05, 2013

Does this collector ring 91013369 fit these pipes?

Answers

June 06, 2013
Jason
Yes, collector ring part #91013369 is a 2-1/2" ring and header part #9300150 has a 2-1/2" collector. The bolt spacing does mate up.
1 answers

will these work on a s-10 drag truck ?

hogwild63
Arley, AL 35541, USA
May 14, 2013

will these work on a s-10 drag truck ?

Answers

May 15, 2013
EricM
The fat fender headers number 9300150 are for the earlier solid axle cars from 35-48 but have been used on other applications. They are not the standard fenderwell style headers used on independent suspension vehicles such as your S10. At the second bend after leaving the head and about 6” out there is 2” drop in the tubes. This commonly runs into the upper control arm and steering on vehicles such as your S10. What you may want to consider is the actual fender well headers for independent suspension vehicles such as number 930C9 for a small block application.
1 answers

who are these headers made by.... who is the manufacturer of these headers.... what size gauge is the tube thickness....

tigmaster1951
February 13, 2013

who are these headers made by.... who is the manufacturer of these headers.... what size gauge is the tube thickness....

Answers

February 13, 2013
Jason
These 1935-48 fat fender well headers are made by Speedway Motors. We use 18 gauge tubing and .31" flange thickness
2 answers

will they fit 37 chevy pu 327 SB with stock sterring box

3006
January 15, 2013

will they fit 37 chevy pu 327 SB with stock sterring box

Answers

March 28, 2013
elcamino1981
the front of your truck should be the same as my 38 master deluxe sedan... just bought a set of these and fit perfectly !!!!!!!!!!
January 15, 2013
Jason
Currently Speedway does not have a listing for each vehicle and engine mounted locations available. Verification of fit can be obtained when comparing your application to the following dimensions and chart. * Primary Tube Diameter: 1-5/8" * Collector Diameter: 2-1/2" * Header Flange Type: Round Port * Gasket Ports: 1-7/8" x 1-3/8" * Base of flange to bottom of collector is 9" * At approximately 6" from flange at 2nd bend, there is about 2" of drop from flange * At approximately 15" from flange at 3rd bend, there is about 4" of drop from flange Width of header at widest point from exhaust port - 19" Height of header from top of flange to lowest point - 11-1/4" Length of header from front of flange to collector - 27" Collector size - 2.5"
1 answers

Will these work with 1999 vortec heads?

Richard
Dallas Tx
March 17, 2012

Will these work with 1999 vortec heads?

Answers

March 20, 2012
John
These headers work with the standard port small block Chevy including the Vortec. They do not work with the LS series engines 99 and up where the ports are evenly spaced. Work with straight or angle plug heads.
1 answers

What sized collector flange? 3" or 4" ????

DEEPNHOCK
Georgia
February 24, 2011

What sized collector flange? 3" or 4" ????

Answers

February 25, 2011
Shane
The collector on headers part# 9300150 are 2 1/2"
1 answers

47 CHEVY COUPE, SB RECTANG PORT HEADS; WILL THEY FIT?

pjhvac@yahoo.com
January 31, 2011

47 CHEVY COUPE, SB RECTANG PORT HEADS; WILL THEY FIT?

Answers

February 03, 2011
Tom
The dimension from cylinder head outward to the farthest point is 19". From highest point to lowest point overall is 11 1/4". Overall length from start of port flange to end of collector flange is 27". Rectangular ports are no problem and will work with angle plug heads. Due to variations in manufacturing and the unlimited engine / chassis combination\'s, all dimensions, applications, and measurements are approximations only.
1 answers

i'm looking for a set of fender well headers for a 53 chevy pickup with a 383 small block in it. i was wondering if these headers would work (clearing front tires and firewall)?

jeremy
red lion, pa
January 13, 2011

i'm looking for a set of fender well headers for a 53 chevy pickup with a 383 small block in it. i was wondering if these headers would work (clearing front tires and firewall)?

Answers

January 19, 2011
John
You inquired about a set of headers under part number 9300150 and fit on a 53 Chevy pickup with a small block V8. These are referred to as a fender well header for the fat fendered cars of the 35-48 vintage but have been used on others. Unlike other fender well headers once leaving the head they do not curve upward and then outward for steering gear and frame clearance as do our other fender well headers. We do have some specifications and with a little homework on your end you should be able to tell if they will work on your truck. • Primary Tube Diameter: 1-5/8" • Collector Diameter: 2-1/2" • Header Flange Type: Round Port • Gasket Ports: 1-7/8" x 1-3/8" • Base of flange to bottom of collector is 9" • At approximately 6" from flange at 2nd bend, there is about 2" of drop from flange We also refer to the A, B, and C dimensions and on our website and in our catalog we have a specification table. The A dimension is how far out from the head the header extends and on this particular header it is at the collector and is 19”. The B dimension is how far down from the top of the header flange and again on this header is at the collector and is 11 ¼”. The C dimension is from the front of the flange to the end of the header and the dimension is 27”. With these dimensions you should be able to determine fit on your truck.
Page 1 of 2

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