Home / Shop / Hooker Blackheart Transmission Crossmembers BHS548 Crossmember, GM Gen III/IV, Gen V Swap, Blackheart, Steel, Black Powdercoat, Chevrolet, GMC, Each

Hooker Blackheart Transmission Crossmembers BHS548 Crossmember, GM Gen III/IV, Gen V Swap, Blackheart, Steel, Black Powdercoat, Chevrolet, GMC, Each

SKU: HOKBHS548

Transmission Crossmembers

Hooker Headers

Hooker Blackheart Transmission Crossmembers BHS548 Crossmember, GM Gen III/IV, Gen V Swap, Blackheart, Steel, Black Powdercoat, Chevrolet, GMC, Each

SKU: HOKBHS548

Transmission Crossmembers

IN STOCK! Est Ship 4-7 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.

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Description

IMPORTANT NOTICE: Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.Reference Information Reference Data (Provide these details to our support team) Brand Name/s Hooker Headers, Hooker, Hooker (holley), Hooker Blackheart StreetFX SKU hokBHS548 SFX Item ID 5013256 Accounting SKU hok-BHS548 Manufacturer SKU BHS548 Manufacturer UPC 090127105344 Alternative References BHS548, HKRBHS548, HOK-BHS548

Data: v2 - Desc: v4.2 - Upd: 2026-10-14 03:16:18

Part Type

Transmission Crossmembers

Data: v4.2 - Upd: 2026-09-29 03:34:43

Specifications

Transmission Crossmember, GM Gen III/IV, Gen V Swap, Blackheart, Steel, Black Powdercoat, Chevrolet, GMC, Each

Hooker Blackheart transmission crossmembers provide easy installation for a variety of engine and transmission swap combinations. Manufactured from steel with a black powdercoat, these crossmembers are designed to be used with Blackheart engine adapter plates for a trouble-free LS, LT, Hemi, Coyote, etc. engine swap. Order the model recommended for your vehicle.

Blackheart crossmember features:
• Comprehensively designed as an integral part of the complete Hooker swap system, providing maximum level of inter-component compatibility
• Designed specifically for use with Hooker engine adapter plates
• High-arch exhaust passages provide maximum available exhaust ground clearance
• Design geometry replicates stock drivetrain height, inclination angle, and offset for optimized vehicle and component compatibility
• High-strength/low alloy steel construction provides desirable balance of strength, stiffness, weight, and cost
• Powdercoat finish provides attractive, corrosion-resistant appearance
• Provide bolt-in compatibility with Hooker/Holley engine mounts, swap headers, exhaust systems, and oil pans
• Hardware included

Product Attributes
Brand	Hooker Headers
Manufacturer's Part Number	BHS548
Part Type	Transmission Crossmembers
Product Line	Hooker Blackheart Transmission Crossmembers
UPC	090127105344
Transmission Crossmember to Frame Bushing Included	No
Transmission Mount Included	No
Crossmember Material	Steel
Crossmember Color	Black powdercoated
Quantity	Sold individually.
Notes	Designed for use on models with GM GEN III/IV LS and GEN V LT engine swaps.

Reference Information

Brand Name/s	Hooker Headers
StreetFX SKU	hokBHS548
SFX Item ID	5013256
Supplier Item Code	5013256
Manufacturer SKU	BHS548
Manufacturer UPC	90127105344
Alternative References	HKRBHS548

Compatibility

No specific fitment data available for this part. For clarification, please contact us.

Detailed Compatibility

Application Data
Universal	No
Make	GMC
Model	R2500
Submodel	SIERRA GRANDE
Beginning Year	1979
Ending Year	1978
Drivetrain	RWD
Transmission Manufacturer Code	4L60-E
Transmission	Automatic
Application Notes	Designed for use on models with GM GEN III/IV LS and GEN V LT engine swaps.

Universal	No
Make	GMC
Model	R2500
Submodel	SIERRA GRANDE
Beginning Year	1979
Ending Year	1978
Drivetrain	RWD
Transmission Manufacturer Code	4L65-E
Transmission	Automatic
Application Notes	Designed for use on models with GM GEN III/IV LS and GEN V LT engine swaps.

Universal	No
Make	GMC
Model	R2500
Submodel	SIERRA GRANDE
Beginning Year	1979
Ending Year	1978
Drivetrain	RWD
Transmission Manufacturer Code	4L70-E
Transmission	Automatic
Application Notes	Designed for use on models with GM GEN III/IV LS and GEN V LT engine swaps.

Universal	No
Make	GMC
Model	R2500
Submodel	SIERRA GRANDE
Beginning Year	1979
Ending Year	1978
Drivetrain	RWD
Transmission Manufacturer Code	4L75-E
Transmission	Automatic
Application Notes	Designed for use on models with GM GEN III/IV LS and GEN V LT engine swaps.

Universal	No
Make	GMC
Model	R2500
Submodel	SIERRA GRANDE
Beginning Year	1979
Ending Year	1978
Drivetrain	RWD
Transmission Manufacturer Code	6L80
Transmission	Automatic
Application Notes	Designed for use on models with GM GEN III/IV LS and GEN V LT engine swaps.

Universal	No
Make	GMC
Model	R2500 SUBURBAN
Submodel	STREET COUPE
Beginning Year	1977
Ending Year	1982
Drivetrain	RWD
Transmission Manufacturer Code	4L60-E
Transmission	Automatic
Application Notes	Designed for use on models with GM GEN III/IV LS and GEN V LT engine swaps.

Universal	No
Make	GMC
Model	R2500 SUBURBAN
Submodel	STREET COUPE
Beginning Year	1977
Ending Year	1982
Drivetrain	RWD
Transmission Manufacturer Code	4L65-E
Transmission	Automatic
Application Notes	Designed for use on models with GM GEN III/IV LS and GEN V LT engine swaps.

Universal	No
Make	GMC
Model	R2500 SUBURBAN
Submodel	STREET COUPE
Beginning Year	1977
Ending Year	1982
Drivetrain	RWD
Transmission Manufacturer Code	4L70-E
Transmission	Automatic
Application Notes	Designed for use on models with GM GEN III/IV LS and GEN V LT engine swaps.

Universal	No
Make	GMC
Model	R2500 SUBURBAN
Submodel	STREET COUPE
Beginning Year	1977
Ending Year	1982
Drivetrain	RWD
Transmission Manufacturer Code	4L75-E
Transmission	Automatic
Application Notes	Designed for use on models with GM GEN III/IV LS and GEN V LT engine swaps.

Universal	No
Make	GMC
Model	R2500 SUBURBAN
Submodel	STREET COUPE
Beginning Year	1977
Ending Year	1982
Drivetrain	RWD
Transmission Manufacturer Code	6L80
Transmission	Automatic
Application Notes	Designed for use on models with GM GEN III/IV LS and GEN V LT engine swaps.

Universal	No
Make	GMC
Model	R2500 SUBURBAN
Submodel	HIGH SIERRA
Beginning Year	1979
Ending Year	1982
Drivetrain	RWD
Transmission Manufacturer Code	4L60-E
Transmission	Automatic
Application Notes	Designed for use on models with GM GEN III/IV LS and GEN V LT engine swaps.

Universal	No
Make	GMC
Model	R2500 SUBURBAN
Submodel	HIGH SIERRA
Beginning Year	1979
Ending Year	1982
Drivetrain	RWD
Transmission Manufacturer Code	4L65-E
Transmission	Automatic
Application Notes	Designed for use on models with GM GEN III/IV LS and GEN V LT engine swaps.

Universal	No
Make	GMC
Model	R2500 SUBURBAN
Submodel	HIGH SIERRA
Beginning Year	1979
Ending Year	1982
Drivetrain	RWD
Transmission Manufacturer Code	4L70-E
Transmission	Automatic
Application Notes	Designed for use on models with GM GEN III/IV LS and GEN V LT engine swaps.

Universal	No
Make	GMC
Model	R2500 SUBURBAN
Submodel	HIGH SIERRA
Beginning Year	1979
Ending Year	1982
Drivetrain	RWD
Transmission Manufacturer Code	4L75-E
Transmission	Automatic
Application Notes	Designed for use on models with GM GEN III/IV LS and GEN V LT engine swaps.

Universal	No
Make	GMC
Model	R2500 SUBURBAN
Submodel	HIGH SIERRA
Beginning Year	1979
Ending Year	1982
Drivetrain	RWD
Transmission Manufacturer Code	6L80
Transmission	Automatic
Application Notes	Designed for use on models with GM GEN III/IV LS and GEN V LT engine swaps.

Universal	No
Make	GMC
Model	R2500 SUBURBAN
Submodel	HIGH SIERRA
Beginning Year	1987
Ending Year	1985
Drivetrain	RWD
Transmission Manufacturer Code	4L60-E
Transmission	Automatic
Application Notes	Designed for use on models with GM GEN III/IV LS and GEN V LT engine swaps.

Universal	No
Make	GMC
Model	R2500 SUBURBAN
Submodel	HIGH SIERRA
Beginning Year	1987
Ending Year	1985
Drivetrain	RWD
Transmission Manufacturer Code	4L65-E
Transmission	Automatic
Application Notes	Designed for use on models with GM GEN III/IV LS and GEN V LT engine swaps.

Universal	No
Make	GMC
Model	R2500 SUBURBAN
Submodel	HIGH SIERRA
Beginning Year	1987
Ending Year	1985
Drivetrain	RWD
Transmission Manufacturer Code	4L70-E
Transmission	Automatic
Application Notes	Designed for use on models with GM GEN III/IV LS and GEN V LT engine swaps.

Universal	No
Make	GMC
Model	R2500 SUBURBAN
Submodel	HIGH SIERRA
Beginning Year	1987
Ending Year	1985
Drivetrain	RWD
Transmission Manufacturer Code	4L75-E
Transmission	Automatic
Application Notes	Designed for use on models with GM GEN III/IV LS and GEN V LT engine swaps.

Universal	No
Make	GMC
Model	R2500 SUBURBAN
Submodel	HIGH SIERRA
Beginning Year	1987
Ending Year	1985
Drivetrain	RWD
Transmission Manufacturer Code	6L80
Transmission	Automatic
Application Notes	Designed for use on models with GM GEN III/IV LS and GEN V LT engine swaps.

Universal	No
Make	GMC
Model	R2500
Submodel	SIERRA CLASSIC
Beginning Year	1978
Ending Year	1978
Drivetrain	RWD
Transmission Manufacturer Code	4L60-E
Transmission	Automatic
Application Notes	Designed for use on models with GM GEN III/IV LS and GEN V LT engine swaps.

Universal	No
Make	GMC
Model	R2500
Submodel	SIERRA CLASSIC
Beginning Year	1978
Ending Year	1978
Drivetrain	RWD
Transmission Manufacturer Code	4L65-E
Transmission	Automatic
Application Notes	Designed for use on models with GM GEN III/IV LS and GEN V LT engine swaps.

Universal	No
Make	GMC
Model	R2500
Submodel	SIERRA CLASSIC
Beginning Year	1978
Ending Year	1978
Drivetrain	RWD
Transmission Manufacturer Code	4L70-E
Transmission	Automatic
Application Notes	Designed for use on models with GM GEN III/IV LS and GEN V LT engine swaps.

Universal	No
Make	GMC
Model	R2500
Submodel	SIERRA CLASSIC
Beginning Year	1978
Ending Year	1978
Drivetrain	RWD
Transmission Manufacturer Code	4L75-E
Transmission	Automatic
Application Notes	Designed for use on models with GM GEN III/IV LS and GEN V LT engine swaps.

Universal	No
Make	GMC
Model	R2500
Submodel	SIERRA CLASSIC
Beginning Year	1978
Ending Year	1978
Drivetrain	RWD
Transmission Manufacturer Code	6L80
Transmission	Automatic
Application Notes	Designed for use on models with GM GEN III/IV LS and GEN V LT engine swaps.

This may not be an exhaustive list of compatible vehicles. Please reach out to one of our representatives if you are unsure or do not see your vehicle here.

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Hooker Blackheart Transmission Crossmembers BHS548 Crossmember, GM Gen III/IV, Gen V Swap, Blackheart, Steel, Black Powdercoat, Chevrolet, GMC, Each

Hooker Blackheart Transmission Crossmembers BHS548 Crossmember, GM Gen III/IV, Gen V Swap, Blackheart, Steel, Black Powdercoat, Chevrolet, GMC, Each

Description

Part Type

Specifications

Reference Information

Compatibility

Detailed Compatibility

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