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Street Race Truck More... The Toolbox
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$224.95
$181.76
Flowtech 11150FLT Long Tube Header
Flowtech 11150FLT Long Tube Header

Flowtech 11150FLT Long Tube Header

350 Oldsmobile V8, 371 Oldsmobile V8, 394 Oldsmobile V8, 400 Oldsmobile V8, 403 Oldsmobile V8

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Flowtech 11150FLT Long Tube Header
Flowtech 11150FLT Long Tube Header
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Part # 42511150FLT
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$181.76
$224.95
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Important Messages:

  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.

Details

Header Tube Type:
Long Tube
Finish:
Painted
Flange Style:
Rectangular Port
Primary Tube Diameter:
1-3/4"
Material Type:
Mild Steel
Color:
Black
MFG. Part #:
11150FLT
Collector Diameter:
3 Inch
Flange Thickness:
0.315"
Port Height:
1.75"
Port Width:
1.2"
Hardware Included:
Yes
Gasket(s) Included:
Yes
Sold in Quantity:
Each
Notes:
Header reducers included
Emission Code:
3
GTIN Code:
787480111500
Bolts Studs Included:
Yes
Gaskets Included:
Yes

Info

HolleyDAYS are here again! SAVE up to 20% on this part and hundreds of other Holley brands during the 2018 HolleyDAYS sale 11/15/18-12/31/18.

Flowtech headers are the perfect combination of performance and value. Flowtech long tube headers are precision engineered using mandrel bent tubing, formed collectors and 5/16" flanges with sealing rings for a leak-free seal. All mounting hardware and gaskets are included for a simple installation. This header is coated in a high heat resistant black paint for a stealthy appearance.

  • Fuel Economy From The Engine
  • Leak Test For Max Performance
  • Mandrel-Formed Power Plenum
  • Leakproof O-Ringed Port Seals
  • Include All Mounting Hardware
  • Constructed of .049 cold roll flash mild steel tubing
  • Precision engineered for fit, performance and economy

Installation Instructions (PDF)

Application

1968 Oldsmobile 442
1968 Oldsmobile Cutlass
1969 Oldsmobile 442
1969 Oldsmobile Cutlass
1970 Oldsmobile 442
1970 Oldsmobile Cutlass
1971 Oldsmobile Cutlass
1972 Oldsmobile Cutlass
1973 Oldsmobile Cutlass
1974 Oldsmobile Cutlass
1975 Oldsmobile Cutlass
1975 Oldsmobile Cutlass Salon
1976 Oldsmobile Cutlass
1976 Oldsmobile Cutlass Salon
1976 Oldsmobile Cutlass Tiara
1977 Oldsmobile Cutlass
1977 Oldsmobile Cutlass Salon
1977 Pontiac Firebird
1978 Pontiac Firebird
1979 Pontiac Firebird

Notes

*Will not fit column mounted standard or floor mounted automatics or Cutlass Supreme models.

Some parts are not legal for use in California or other states with similar laws/regulations

More Like This

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Videos
  • Maintaining your headers is an important part of any hot rod. Pat gives some tips and demonstrates how well Purple Metal Polish works for keeping your headers looking great.
  • Wouldn't it be nice to get the best of both worlds out of your headers? Speedway Motors has solved that problem with our exclusive heat resistant Armor Hot Coating. Now you can keep that great look with longer life.
  • Pat shows that exhaust can make a difference on even your daily driver. Check out this video of Pat with the Hooker Muffler installed on his '03 Suburban.
  • Our Tru-Ram Exhaust Manifolds are one of our most popular items. Tim provides more details about them and gives you a great look at them.

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