Home / Shop / Hooker Blackheart Transmission Crossmembers BHS550 Crossmember, GM Gen III/IV, Gen V Swap, Blackheart, Steel, Black Powdercoat, Chevrolet, GMC, Each

Hooker Blackheart Transmission Crossmembers BHS550 Crossmember, GM Gen III/IV, Gen V Swap, Blackheart, Steel, Black Powdercoat, Chevrolet, GMC, Each

SKU: HOKBHS550

Transmission Crossmembers

Hooker Headers

Hooker Blackheart Transmission Crossmembers BHS550 Crossmember, GM Gen III/IV, Gen V Swap, Blackheart, Steel, Black Powdercoat, Chevrolet, GMC, Each

SKU: HOKBHS550

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

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

Part Type

Transmission Crossmembers

Data: v4.2 - Upd: 2026-10-14 09:30:20

Specifications

Product Attributes - Brand: Hooker Headers
Product Attributes - Manufacturer's Part Number: BHS550
Product Attributes - Part Type: Transmission Crossmembers
Product Attributes - Product Line: Hooker Blackheart Transmission Crossmembers
Product Attributes - UPC: 090127105368
Product Attributes - Transmission Crossmember to Frame Bushing Included: No
Product Attributes - Transmission Mount Included: No
Product Attributes - Crossmember Material: Steel
Product Attributes - Crossmember Color: Black powdercoated
Product Attributes - Quantity: Sold individually.
Product Attributes - 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	hokBHS550
SFX Item ID	5013187
Supplier Item Code	5013187
Manufacturer SKU	BHS550
Manufacturer UPC	90127105368
Alternative References	HKRBHS550

Compatibility

Application Data

Universal	No
Make	GMC
Model	R2500 SUBURBAN
Submodel	HIGH SIERRA
Beginning Year	1975
Ending Year	1978
Drivetrain	RWD
Transmission Manufacturer Code	Tremec Magnum
Transmission	Manual
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	SIERRA CLASSIC
Beginning Year	1979
Ending Year	1978
Drivetrain	RWD
Transmission Manufacturer Code	T-56
Transmission	Manual
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	SIERRA CLASSIC
Beginning Year	1979
Ending Year	1978
Drivetrain	RWD
Transmission Manufacturer Code	Tremec Magnum
Transmission	Manual
Application Notes	Designed for use on models with GM GEN III/IV LS and GEN V LT engine swaps.

Universal	No
Make	GMC
Model	JIMMY
Submodel	STREET COUPE
Beginning Year	1975
Ending Year	1978
Drivetrain	RWD
Transmission Manufacturer Code	T-56
Transmission	Manual
Application Notes	Designed for use on models with GM GEN III/IV LS and GEN V LT engine swaps.

Universal	No
Make	GMC
Model	R1500
Submodel	SIERRA CLASSIC
Beginning Year	1979
Ending Year	1978
Drivetrain	RWD
Transmission Manufacturer Code	Tremec Magnum
Transmission	Manual
Application Notes	Designed for use on models with GM GEN III/IV LS and GEN V LT engine swaps.

Universal	No
Make	GMC
Model	R1500
Submodel	BASE
Beginning Year	1979
Ending Year	1978
Drivetrain	RWD
Transmission Manufacturer Code	T-56
Transmission	Manual
Application Notes	Designed for use on models with GM GEN III/IV LS and GEN V LT engine swaps.

Universal	No
Make	GMC
Model	R1500
Submodel	SIERRA GRANDE
Beginning Year	1975
Ending Year	1978
Drivetrain	RWD
Transmission Manufacturer Code	Tremec Magnum
Transmission	Manual
Application Notes	Designed for use on models with GM GEN III/IV LS and GEN V LT engine swaps.

Universal	No
Make	GMC
Model	R1500
Submodel	HIGH SIERRA
Beginning Year	1979
Ending Year	1978
Drivetrain	RWD
Transmission Manufacturer Code	T-56
Transmission	Manual
Application Notes	Designed for use on models with GM GEN III/IV LS and GEN V LT engine swaps.

Universal	No
Make	GMC
Model	R1500
Submodel	BASE
Beginning Year	1973
Ending Year	1978
Drivetrain	RWD
Transmission Manufacturer Code	Tremec Magnum
Transmission	Manual
Application Notes	Designed for use on models with GM GEN III/IV LS and GEN V LT engine swaps.

Universal	No
Make	GMC
Model	R1500
Submodel	SIERRA CLASSIC
Beginning Year	1973
Ending Year	1974
Drivetrain	RWD
Transmission Manufacturer Code	T-56
Transmission	Manual
Application Notes	Designed for use on models with GM GEN III/IV LS and GEN V LT engine swaps.

Universal	No
Make	GMC
Model	R1500 SUBURBAN
Submodel	BASE
Beginning Year	1975
Ending Year	1974
Drivetrain	RWD
Transmission Manufacturer Code	Tremec Magnum
Transmission	Manual
Application Notes	Designed for use on models with GM GEN III/IV LS and GEN V LT engine swaps.

Universal	No
Make	GMC
Model	R1500 SUBURBAN
Submodel	BASE
Beginning Year	1973
Ending Year	1974
Drivetrain	RWD
Transmission Manufacturer Code	T-56
Transmission	Manual
Application Notes	Designed for use on models with GM GEN III/IV LS and GEN V LT engine swaps.

Universal	No
Make	GMC
Model	R1500 SUBURBAN
Submodel	HIGH SIERRA
Beginning Year	1987
Ending Year	1987
Drivetrain	RWD
Transmission Manufacturer Code	Tremec Magnum
Transmission	Manual
Application Notes	Designed for use on models with GM GEN III/IV LS and GEN V LT engine swaps.

Universal	No
Make	GMC
Model	R1500 SUBURBAN
Submodel	HIGH SIERRA
Beginning Year	1975
Ending Year	1978
Drivetrain	RWD
Transmission Manufacturer Code	T-56
Transmission	Manual
Application Notes	Designed for use on models with GM GEN III/IV LS and GEN V LT engine swaps.

Universal	No
Make	GMC
Model	R1500 SUBURBAN
Submodel	SIERRA CLASSIC
Beginning Year	1979
Ending Year	1978
Drivetrain	RWD
Transmission Manufacturer Code	Tremec Magnum
Transmission	Manual
Application Notes	Designed for use on models with GM GEN III/IV LS and GEN V LT engine swaps.

Universal	No
Make	GMC
Model	R1500 SUBURBAN
Submodel	SIERRA CLASSIC
Beginning Year	1979
Ending Year	1978
Drivetrain	RWD
Transmission Manufacturer Code	T-56
Transmission	Manual
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	1987
Ending Year	1978
Drivetrain	RWD
Transmission Manufacturer Code	Tremec Magnum
Transmission	Manual
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	1977
Ending Year	1978
Drivetrain	RWD
Transmission Manufacturer Code	T-56
Transmission	Manual
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	HIGH SIERRA
Beginning Year	1975
Ending Year	1978
Drivetrain	RWD
Transmission Manufacturer Code	Tremec Magnum
Transmission	Manual
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	HIGH SIERRA
Beginning Year	1975
Ending Year	1982
Drivetrain	RWD
Transmission Manufacturer Code	T-56
Transmission	Manual
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	1975
Ending Year	1978
Drivetrain	RWD
Transmission Manufacturer Code	Tremec Magnum
Transmission	Manual
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	1979
Ending Year	1985
Drivetrain	RWD
Transmission Manufacturer Code	T-56
Transmission	Manual
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	BASE
Beginning Year	1979
Ending Year	1985
Drivetrain	RWD
Transmission Manufacturer Code	Tremec Magnum
Transmission	Manual
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	BASE
Beginning Year	1978
Ending Year	1978
Drivetrain	RWD
Transmission Manufacturer Code	T-56
Transmission	Manual
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	1978
Ending Year	1978
Drivetrain	RWD
Transmission Manufacturer Code	Tremec Magnum
Transmission	Manual
Application Notes	Designed for use on models with GM GEN III/IV LS and GEN V LT engine swaps.

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Hooker Blackheart Transmission Crossmembers BHS550 Crossmember, GM Gen III/IV, Gen V Swap, Blackheart, Steel, Black Powdercoat, Chevrolet, GMC, Each

Hooker Blackheart Transmission Crossmembers BHS550 Crossmember, GM Gen III/IV, Gen V Swap, Blackheart, Steel, Black Powdercoat, Chevrolet, GMC, Each

Description

Part Type

Specifications

Reference Information

Compatibility

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