Dynatech® - Black Painted Long Tube Pavement Late Model Exhaust Headers

00 reviews|Item # 231028784
$399.99 - $444.99
In Stock - Ships within 24 hrs
1977 Chevy Blazer
Fits Following Model(s):
  • 5.0L / 5.7L / 6.6L with Chevy Small Block Engine
    Fits Models with Port City, Pre 98 Randercar, Lefthander, How XL, Victory Circle, Townsend, Procraft, Pacesetter, STR, Jackson and RPM Chassis.
    This part for Racing or Off-Road use only.
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    Product Details

    Chevy Blazer 5.0L / 5.7L / 6.6L with Chevy Small Block Engine 1977-1979, Long Tube Pavement Late Model Exhaust Headers by Dynatech®. Primary Tubing Diameter: 1.75"-1.875". Collector Outlet Diameter: 3.5". Collector Length: 7.50". Emissions: Racing Only. Color: Black. Header Coating: Painted. Header Style: Long Tube. These Long Tube Pavement Late Model Headers are designed for use with Standard Chevy engines. The Long Tube design promotes excellent torque throughout the RPM range.

    Fitment notes:

    • Fits Models with Port City, Pre 98 Randercar, Lefthander, How XL, Victory Circle, Townsend, Procraft, Pacesetter, STR, Jackson and RPM Chassis.
    • This part for Racing or Off-Road use only.



    Finish: Black Painted
    Header Style: Long Tube
    Primary Diameter: 1.75"-1.875"
    Collector Diameter: 3.5"
    Emissions: Racing Only
    Collector Length: 7.50"


    • 35” Equal Length primaries for maximum Torque and Horsepower
    • Valve covers are removable with headers installed
    • CNC laser-machined flanges
    • High temp. ceramic coating available
    • Removable collectors included
    • Gaskets and bolts included
    • 1/2 sets available


    • Exhaust Headers
    • Hardware
    • Gasket(S)

    Slip-on style collectors that are easy to change. 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. Comes standard with a Full One Year Warranty. ½ sets (Crash Replacements) are also available. Be sure to check out all of the components (X & Y-Pipes, Elbow Kits, Mufflers and Turndowns) to complete your exhaust 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 warrants its products to be free from defects in materials or workmanship for a period of 12 months. The Warranty period begins on the date the product is delivered.

    The Warranty is granted to the end-user and applies to products which are purchased, installed, and used for the purposes for which they are originally designed. This Warranty covers defects arising under normal use and does not cover malfunctions or failures resulting from misuse, abuse, neglect, improper installation, or incorrect maintenance.

    During the Warranty period, AFCO Performance Group LLC will repair or replace, at no charge, a product that is defective in materials or workmanship. AFCO Performance Group LLC reserves the right to either repair or replace a defective component at its discretion and reserves the right to substitute an equivalent product under the terms of this Warranty.

    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
    Low Prices Price match guarantee
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