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Exhaust Headers, Manifolds and Components

Hooker

LS Swap Long Tube Headers Stainless 1973-1974 GM C-10, 20 2WD Trucks, Tube Size 1-7, 8 Inch, Collector Size 3 Inch, Natural Finish, Use With Standard Engine Mounting Brackets Hooker BlackHeart

$1,153.95 $1,065.95 Save $88.00

SKU: H00I 70101304-RHKR

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INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: 70101304-RHKR

These Hooker BlackHeart Headers fit 1973-1974 GM C-10/20 2WD Trucks with LS engines. Long tube design for optimum engine performance and stainless steel construction for maximum corrosion resistance.These Headers are designed for use with Standard 12621HKR engine mounting brackets.For GM LS engine swaps into 1973-1974 GM C-10/20 2WD Trucks1-7/8 Inch primary tube diameter and 3 Inch collector diameter ideal for hot LS1/LS6/LS2 or 5.3L-6.0L Vortec truck engine swapsLong tube design for optimum engine performance100 Percent stainless steel constructionDesigned for use with 12621HKR engine mounting bracketsManufacturer's Limited Lifetime WarrantyDetails:Application: 1973-1974 GM C-10/20 TrucksBolt size: M8 x 1.25 x 25mmCARB (California) Compliant: NoCollector Diameter: 3.00 inchDrive: 2WDEmission Code: 4Engine: GM Gen III/IV (LS)Exhaust Series: Hooker BlackHeartHeader Finish: NaturalHeader Style: Long TubeMaterial: 304 Stainless SteelPrimary Tube Dia.: 1-7/8 inchProduct Type: HeadersSubframe: StockTube Material: 304 Stainless SteelType of Component: HeadersWarning: California Proposition 65Warranty: Manufacturer's Limited Lifetime Warranty

Features:

  • For GM LS engine swaps into 1973-1974 GM C-10/20 2WD Trucks
  • 1-7/8" primary tube diameter and 3" collector diameter ideal for "hot" LS1/LS6/LS2 or 5.3L-6.0L Vortec truck engine swaps
  • Long tube design for optimum engine performance
  • 100% stainless steel construction
  • Designed for use with 12621HKR engine mounting brackets
  • Manufacturer's Limited Lifetime Warranty

1973-1974 GM C-10/20 2WD Trucks, Tube size 1-7/8", Collector Size 3", Natural Finish, Use with Standard Engine Mounting Brackets

MIA's Description

The Hooker Blackheart 70101304-RHKR headers are full-length, 1-7/8" primary tube stainless steel headers with 3" collectors, designed for LS engine swaps in 1973-1974 GM C-10/20 2WD trucks.

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Specifications

BrandHooker
Part NumberH00I 70101304-RHKR

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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