Dynatech® - Mild Steel 604 Crate Engine Dirt Late Model Exhaust Header Kit

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1966 Chevy El Camino
Fits Following Model(s):
  • with Chevy Small Block Engine
    This part for Racing or Off-Road use only.
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    Product Details

    Dynatech Exhaust Systems

    Chevy El Camino with Chevy Small Block Engine 1966, Mild Steel 604 Crate Engine Dirt Late Model Exhaust Header Kit by Dynatech®. Primary Tubing Diameter: 1.625"-1.75". Collector Outlet Diameter: 3". Emissions: Racing Only. These 604 Crate Engine Dirt Late Model Headers have been designed specifically for use with 604 Crate Engines. Special designed port to get the most power out of your Crate Engine.

    Fitment notes: This part for Racing or Off-Road use only.



    Header Material: Mild Steel
    Primary Diameter: 1.625"-1.75"
    Collector Diameter: 3"
    Emissions: Racing Only


    • Delivers a huge boost in performance and an awesome sound
    • Rigorously dyno-tested to provide maximum horsepower and torque gains
    • Precision designed for superior fit and function
    • Expertly crafted from the finest materials for prime quality and reliability
    • Ensures years of no-hassle, maintenance-free service
    • Meets or exceeds all of your racing or performance requirements

    Built to fit: American Made, Barry Wright, Bulllit, Morris, Rocket, Swartz and Other chassis with 2- 5/8" Offset and 6" Setback CNC Laser Cut Flanges and optimized tube length for best overall performance. 17 gauge steel construction and surfaced flanges make this a durable header that remains leak free for multiple racing seasons. This is a complete kit that comes with the 80 degree elbow for the left side and a 14.00" extension for the right side to equal out the system.

    Dynatech® has been an industry-leading expert in the evolution of exhaust technology for over 20 years. One of the finest kept secrets of racers and performance builders, state-of-the-art exhaust systems and headers built by Dynatech have made a huge impact on the hot rod, circle track and drag racing world. Painstakingly designed and meticulously engineered, supreme quality Dynatech exhaust products offer amazing horsepower and torque gains. Tube lengths, diameters and routing are thoroughly designed and tested for superior fit and function. Dynatech continues to build supremely efficient and ultra powerful exhaust products that deliver outstanding performance and sound which are sure to put you one step ahead of other drivers on the road.

    Part Number:

    Warranty Information

    AFCO Performance Group LLC will repair or replace any products found upon their inspection to be defective in workmanship or material for the original purchaser. Except for the limited warrant set forth herin, AFCO Performance Group LLC makes no warranties either expressed or implied, written or oral, with regard to the products including, without limitation, any warranty or merchantability of fitness for a particular purpose.

    In no event shall AFCO Performance Group LLC be liable for any special, incidental or consequential damages or any other damages whatsoever arising out of or connected with the use or miscues of the products. Purchasers acknowledge and agree that no person, entity or agent of AFCO Performance Group LLC has any authority to make any statement contrary to this disclaimer and that any warranty statements or representations allegedly made on behalf of AFCO Performance Group LLC by any such person, entity or agent are void. AFCO Performance Group LLC products are not D.O.T. approved or intended for street use. Purchasers are relying solely on their own skill and judgment to select, purchase and use suitable products and assume all responsibility and risk with regard thereto.

    • A Return Goods Authorization (RGA) Number must be plainly marked on all boxes containing parts for return or exchange.
    • To obtain an RGA number, please contact Customer Service Department.
    • RGA will expire if product(s) are not received within thirty days of the RGA number issue date.
    • Parts received without an RGA number will be held with no action until contact is made.
    • All returns must be accompanied by an copy of the original invoice information.
    • A brief written explanation of why the product is being returned is required.
    • Parts must be shipped freight prepaid unless accompanied by an AFCO Performance Group LLC issued call tag, COD’s will not be accepted.
    • Returns for credit received within sixty days (60) of original purchase will generally be credited with no restocking fees.
    • Items purchased past sixty days (60) will be limited to a 2 for 1 off-setting order.
    • Discontinued, obsolete, superseded, damaged and/or special order parts are not returnable.

    Magnuson-Moss Warranty Act:
    Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More

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