
Blackheart Gen III Hemi Swap Shorty Headers Fits Select 1973-1976 Dodge, Plymouth Models
- Dodge Dart
- Plymouth Duster, Scamp, Valiant
Hooker Blackheart BH23104 Gen III Hemi Shorty Swap Headers:
- 1973-1976 Mopar Models Fitment Requirements:
- Engine mounts BHS571 (sold separately)
- Works with a torsion bar suspension
- Transmission cross member BHS572 (sold separately) when using Chrysler 727, Chrysler/Mercedes NAG1, or Tremec TKX (GM style) 673-TCET17805 (sold separately) transmissions
- Crossmember/torsion bar support BHS588 (sold separately) required for TKX transmission
- Transmission mount adapter BHS573 (sold separately) for use with 727 or TKX transmissions
- JEGS transmission mount 555-61820 or 555-61821 (each sold separately) or equivalent
- Modifications to the steering column for manual steering boxes
- Will not fit factory power steering boxes
- Borgeson power steering box 153-800126 or 153-800127 (each sold separately)
- Power steering hard line kit 510-198-231 (sold separately) for Borgeson power steering applications
- Borgeson U-Joint steering coupler 153-013464 for a manual steering box or a 153-036425 (sold separately) for a power steering box
- Flexible transmission dipstick such as Lokar 625-ED-5015 (sold separately) or equivalent
- Small body Challenger Hell Cat starter is recommended and will provide extra clearance
- Right-hand starter applications require modification to the idler arm
- 2010 Chrysler 300 AWD starter, bell housing, and dust shield required for left-hand starter
- 2003-2008 square port 5.7L Engines require JEGS 555-211152 header gasket set (sold separately) or equivalent
- Current D-port engines require JBA 578-063-1965 header gasket set (sold separately) or equivalent
- 1 7/8 in. primary tubes are made from 18 gauge 304 stainless steel and hand-welded
- 2 1/2 in. Formed collectors come complete with 2-bolt 3/8 in. flanges and oxygen sensor (O2) bungs
- Includes header bolts and detailed instructions
BH23104 supersedes BHS23104
Emissions:
This product is engineered to facilitate the installation of a later model, emissions-friendly engine into a vintage/classic vehicle. Federal guidelines indicate that an engine swap is allowable if one or more of the following conditions apply.
- If there is a reasonable basis for knowing that emissions are not adversely affected as described in the EPA Tampering Policy dated November 23rd, 2020
- The resulting vehicle is identical (with regard to all emissions-related parts, engine design parameters, and engine calibrations) to a certified configuration of the same or newer model year as the vehicle chassis
- The vehicle is an uncontrolled vehicle
- Vehicles that were manufactured before emission control regulations took effect are called uncontrolled vehicles
- Aftermarket parts regulations and anti-tampering laws do not apply to these vehicles
- An EO legal engine swap kit is utilized (such as a GM EROD)
- The vehicle is being used for Competition Use Only
- Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
Headers with Maximum Clearance
When swapping a Gen III Hemi into your classic Mopar car or truck, Hooker engine swap headers simplify the job. With a design to fit within the confines of your engine bay, these headers provide the necessary clearance and eliminate guesswork.












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