Block Hugger Header
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Flowtech Block Hugger Header

Part No. 11030FLT Warranty Details  

Fit of this part varies by vehicle & equipment specs Type of Fit

Collector Port Diameter:2.5 in
Gasket Or Seal Included:No
Material:Steel
Mounting Hardware Included:Yes
Port Shape:Round
Tube Direction:Sideways
Tube Size:1.75 in

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3 Questions | 3 Answers
Displaying questions 1-3
  • Q:

    is this a 16 valve manifold
    Asked on 8/10/2014 by don't have one from tennessee

    1 answer

    • CUSTOMER CARE

      A:

      I'm happy to help! Exhaust manifolds and headers are designed based on the number of cylinders which would equal the number of ports. These Flowtech Exhaust Manifold/Headers (Part No. 11030FLT) are designed to fit GM V8 engines ranging from 396 cubic inch displacement to 454 cubic inch displacement. The tubing is 16-gauge mild steel.

      You can find additional installation information here: https://www.holley.com/document/11030-3901fltrev1.pdf

      Answered on 8/18/2014 by Heath, ASE Parts Specialist from AAP
  • Q:

    Does this manifold have the hole for the o2 sensor on the one for the passenger side?
    Asked on 8/9/2014 by Mike from manassas, Virginia

    1 answer

    • CUSTOMER CARE

      A:

      Hi Mike, good question! No, this exhaust manifold does not have the hole for the Oxygen sensor on the passenger side header.

      Answered on 8/14/2014 by John the Car-Doc from AAP
  • Q:

    Will these headers fit a 1979 403 oldsmobile engine?
    Asked on 7/8/2014 by richard from Powder Springs ,Ga

    1 answer

    • CUSTOMER CARE

      A:

      Happy to assist, Richard! This exhaust header is universal and is designed for custom installations utilizing a Chevrolet 396-454 big block V8 engine.

      Answered on 7/9/2014 by Vincent from AAP
Displaying questions 1-3

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