1955-57 Chevrolet LS1/LS6 Uncoated (Raw Steel) Round port Shorty Patriot Headers

These popular 1955-57 Chevrolet passenger car headers offer superior performance and are designed to clear most air conditioning, power brake, and power steering systems. Extra ground clearance makes "slammed" vehicles driveable and above frame rail ex haust system installation easy.

• Increased horsepower and torque
• Improved throttle response
• Improved fuel economy
• Improved engine compartment aesthetics

• 1-3/4" tube
• 3" collector
• 5/16" flange thickness
• Round port

Included with each set are installation hardware, collector reducers, gaskets and instructions.

These headers are raw stee l and are uncoated for those who wish to apply their own type or color of coating. Although an uncoated hedder can be used, we recommend the use of a thermal coating or a high temperature paint (sold separately) to protect them from the elements and prol ong their life. For coated headers see Part # TF700410.

Important: Be sure to read the important Applicati on and Emission Notes listed below pertaining to each header system for correct application.

Note: Check your local or state laws before installing. Shippe d oversize.

• With or Without Air Conditioning
• With or Without Power Steering
• With or Without Power Brakes
• Automatic Transmission with Co lumn or Floor Shift
• Manual Transmission with Floor Shift

• Will not fit manual transmission with column shift
• Shorty design for maximum ground clear ance
• O2 bungs are welded on both collectors
• Requires use of Street & Performance (or equivalent) billet aluminum adaptors, along with D & P classics (or equivalent) Chevy frame stands
• LS1/LS6 engines require the use of a LS1 oil pan for proper header fit
• Will fit with 605 power steering box

• Legal only for off-highway use (except in California or states that have adopted California emission standards), racing use or for use on pre-emission-controlled motor vehicles/motor vehicle engines (pre-1974 domestic vehicles certified to California standards, pre-1974 domestic vehicles certified to federal standards and all pre-1974 foreign v ehicles), per the manufacturer's application guide.