1955-1957 Small Block Chevy Chassis Headers, Stainless

Description

Polished finish, Will work with '55-'57 Small Block Chevy, 2-1/2" collector, Will work with stock or 605 power steering box, Engineered to provide maximum ground clearance
1955-1957 Small Block Chevy Chassis Headers, Stainless
Sku # 930C7S
Mfr. Part # 930C7S
Condition
New
Brand
Speedway Motors
Sold
Set
Details
Notes
These headers do not fit angle-plug heads. They do work with a "605"steering box.  They work with most any bellhousing and most any motor mounts.  Some aftermarket starters may be in the way.  Designed to fit cars using an original V-8 pitman arm.  Some aftermarket arms may cause an interference.
Info
These Speedway headers allow you to keep the exhaust system under your '55-'57 Chevy car. The "3/4-length" design provides more ground clearance than full-length headers, yet makes more power than "shorty" style headers. These chassis headers fit 283-400 S/B Chevy V8s and has 1-5/8" primary tubes with 2-1/2" collectors.
Mid-length design offers maximum ground clearance
Designed to work with stock or 605 power steering box
Fits cars using an original V-8 pitman arm (some aftermarket arms may cause an interference)
Will work with side engine mounts with engine in stock location
Fits standard and Vortec-style small-block Chevy heads (not D-port, LT-1 or ZZ-4)
Does not work with stock clutch linkage
(Please use the chart below to help with dimensions.) Drivers side A dimension is 3-1/2" up by the head and 5-5/8" at the collector, B dimension is 15", and C dimension is 21". Passenger side A dimension is 4" at the head and 6-5/8" at the collector, B is 15", and C is 21".
Dimension Chart (GIF)
NOTE:
Stainless header tubing when exposed to exhaust temperature will cause the finish to change color which will vary with the exhaust temperature. Please note that the finish of the header when the engine is started, will change to a light champagne color to a darker gold finish and in some instance may even turn dark blue or purple. This can be polished back out when utilizing Blue-away or Simi-chrome polish, but please note that when the headers reach running temperature again, they will immediately change color.
The use of a shorty spark plug may aide in clearance between the plug wire and header primary tubes.
Specs
WARNING: Cancer and Reproductive Harm -- p65Warnings.ca.gov
California Customers: This part has been identified as emissions sensitive and can only legally be installed on race-use only vehicles, off-road-use only vehicles, or pre-1965 vehicles in the State of California in accordance with the California Air Resource Board (CARB) requirements. Once your order is placed you will be contacted by Speedway Motors within 2 business days so that you can certify that you will only use such parts on these types of vehicles in California.
Specs
Sold in Quantity
Pair
Finish
Polished
Material Type
Stainless Steel
Header Tube Type
Chassis
Exhaust Port Shape
Oval
Color
Natural
Notes
Includes a pair of reducers (2.50" to 2.25")
Gasket(s) Included
Yes
Hardware Included
Yes
Port Height
1.66
Port Width
1.38
Flange Thickness
.35
Drivers Side Dimension A
5.35
Drivers Side Dimension B
15.20
Drivers Side Dimension C
21.00
Passenger Side Dimension A
6.50
Passenger Side Dimension B
14.25
Passenger Side Dimension C
22.75
Collector Length
4
Flange Style
Standard
Weld-Up
No
Collector Diameter
2-1/2 Inch
Primary Tube Diameter
1-5/8"
MFG. Part #
930C7S
Reviews
Very pleased
Rated
by Joe Pa on May 01, 2016
Summary:
Very pleased with polished finish
Yes, I recommend this product.
Related Items / Suggested Parts
1955-1957 Small Block Chevy Chassis Headers, AHC Coated
1955-1957 Small Block Chevy Chassis Headers, Chrome
1955-1957 Chevy Manual Steering Pitman Arm
Extreme Exhaust Gaskets, Small Block Chevy, 1-5/8 Inch Oval Port
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Speedway Motors is America’s Oldest Speed Shop® and has been a trusted source for specialty rodding and racing products and friendly expert advice for more than 69 years. Founded in 1952 by “Speedy” Bill Smith – a racer and street rodder himself – Speedway has grown from a one-man operation to become the world’s largest manufacturer, distributor and retailer of street rod and racing products. Our industry-leading fast delivery is the result of same-day shipping from our state-of-the-art, centrally located 500,000 sq. ft. headquarters. Speedway’s size offers customers unmatched product selection and low pricing, while our excellent technical support and customer service have made us a recognized leader in the rodding and racing industries.
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