Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
![Blackheart GM Gen III/IV LS Engine Swap Kit for 1973-1974 GM K10 Trucks [4WD]](https://www.jegs.com/images/mini_750/500/520/520-bh13325k.jpg)
Product Discontinued
HOOKER HEADERSPART NUMBER: 520-BH13325K
Blackheart GM Gen III/IV LS Engine Swap Kit 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 GM Gen III/IV LS Engine Swap Kit73-74 GM K10 Truck 4WD Includes:
- Headers
- Swap Brackets
- Oil Pan
- Motor Mount Inserts
- Header Gaskets
- Oil Filter
- Thread Locker
- Motor Mount Bolts
- Dipstick Tube
- Dipstick
Hooker Headers BH13327K GM Gen-V LT Engine Swap Kit Includes:
- (1) Blackheart GM Gen-V LT Engine Swap Long Tube Headers for 1973-1974 GM K10 Trucks [4WD] - BH13327
- (1) Blackheart Engine Swap Mounting Brackets 1988-98 GM K1500 Pickup Truck 4WD, Mounts GM Gen-V LT Engine [Dual Mounting Positions] - BHS556
- (1) Retrofit Oil Pan for GM Gen V LT Series Engine Swap [Rear Sump, Satin Finish] - 555-50286
- (2) JEGS GM Urethane Motor Mounts "Clamshell" Style - 555-61803
- (1) Mr. Gasket MLS Exhaust Header Gaskets - 4808G
- (1) JEGS Performance GM, Dodge Oil Filter, 3.35 in. High, 22mm x 1.5 Thread - 555-JG113
- (2) Dorman Motor Mount Bolt Kits 1973-92 Chevy/GMC - 81101
- (1) GM Engine Oil Dip Stick Tube - 12678823
- (1) GM Engine Oil Dip Stick - 12661062
- (1) JEGS Pressure Bead Gasket Maker [Silicone 8 oz] - 555-28045
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
Performance Headers for Your LS Engine Swap
Hooker GM LS Swap Headers allow you to transplant a GM LS series engine into your favorite classic car or truck. Achieve a complete engine swap by combining Blackheart headers with Hooker LS swap accessories such as engine mounts, transmission crossmembers, oil pans, intakes, and exhaust kits.
Part TypeHeader
Product LineHooker Headers GM LS Engine Swap Headers
BrandHOOKER HEADERS
Coating/FinishNatural
Gaskets IncludedYes
Hardware IncludedYes
BaffledYes
QuantitySold as a Kit
Oil Pan IncludedYes
Collector Diameter3 in (76.2 mm)
Oil Pan FinishNatural
Brackets IncludedYes
Bolts/Studs IncludedYes
Primary Tube Gauge18-gauge
Tube Diameter1.75 in (44.5 mm)
Gauge18
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
![1-Ton Automotive Shop Crane [Boom Operating Range: 34 in. to 45 in.]](https://www.jegs.com/images/mini_200/500/555/555-81044k.jpg)
JEGS
1-Ton Automotive Shop Crane [Boom Operating Range: 34 in. to 45 in.]
Part Number : 555-81044K
$23698
![Black RTV, Temperature Resistant up to 625 Degrees F [3.8 oz. Tube]](https://www.jegs.com/images/mini_200/500/555/555-28035.jpg)
JEGS
Black RTV, Temperature Resistant up to 625 Degrees F [3.8 oz. Tube]
Part Number : 555-28035
$799$8.99
You Save$1.00
![Funnel [8.5 in. Overall Length]](https://www.jegs.com/images/mini_200/500/555/555-w4064.jpg)
![Fender Cover with Pocket [23 in. W x 31 1/2 in. L]](https://www.jegs.com/images/mini_200/500/555/555-65010.jpg)
JEGS
Fender Cover with Pocket [23 in. W x 31 1/2 in. L]
Part Number : 555-65010
$1499$16.99
You Save$2.00
![Penetrating Oil [11 oz. Aerosol Can]](https://www.jegs.com/images/mini_200/600/639/639-11043.jpg)
![Brake and Parts Cleaner [14 oz. Aerosol Can]](https://www.jegs.com/images/mini_200/500/555/555-72312.jpg)
![3-Ton Aluminum Floor Jack [6,000 lbs. Capacity]](https://www.jegs.com/images/mini_200/500/555/555-80077.jpg)
JEGS
3-Ton Aluminum Floor Jack [6,000 lbs. Capacity]
Part Number : 555-80077
$22999$285.99
You Save$56.00
![Wheel Chock [Solid Rubber]](https://www.jegs.com/images/mini_200/500/555/555-w41001.jpg)
JEGS
Part Number : 555-81044K
$23698
Some parts are not legal for use in California or other states with similar laws / regulations
