![Blackheart GM Gen III/IV LS Engine Swap Long Tube Headers for 1973-1974 GM K10 Trucks [4WD]](https://www.jegs.com/images/mini_750/500/520/520-bh13325.jpg)
Product Discontinued
HOOKER HEADERSPART NUMBER: 520-BH13325
Blackheart GM Gen III/IV LS Engine Swap Long Tube Headers for 1973-1974 GM K10 Trucks [4WD]
Currently Unavailable
This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
GM Truck
Blackheart LS Engine Swap Long Tube Headers1973-1974 GM K10 4WD Trucks 1 3/4 in. Primary Tube Size 3 in. Collectors Stainless Steel Pair
Hooker Headers BH13326 Blackheart LS Swap Headers Features:
- All hand-welded construction for ultimate strength, longevity, and excellent appearance
- Made from lightweight 18-gauge 304 stainless steel with 3/8 in. waterjet cut flanges for durability and corrosion protection
- O2 sensor bung in both collectors
- Formed merge collectors bring maximum flow velocity through the collectors for great performance
- Works with factory transmission crossmembers and most GM automatic transmissions (TH350, TH400, 700R4, 4L60-4L40, 4L80E/4L85E, 6L80/6L90) and SM465 manual transmissions
- Works with factory right-side-drop NP203, NP205, NP208, and NP241 transfer cases
- Tube geometry is designed for maximum component clearance and easy installation
- All hardware is included
Emissions Note:
This product is engineered to facilitate the installation of a later model, emissions-friendly engine into a vintage/classic vehicle. CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
Part TypeHeader
BrandHOOKER HEADERS
Package Height9.5
Package Width18.0
Package Length45.0
Weight37.0 PG
Coating/FinishNatural
Header Material304 Stainless steel
Gaskets IncludedYes
Hardware IncludedYes
Header Flange Thickness0.375 in (9.525 mm)
Tube Size1.75 in (44.5 mm)
Collector Tube Size3 in (76.2 mm)
ApplicationGM LS
Primary Tube Gauge18-gauge
Header StyleLong Tube
Gauge18
Vendor Part NumberBH13325
Package Qty1
Package TypeEA
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