Home / Shop / Hooker RacingHeart Street Stock Headers 2551-2HKR Headers, RacingHeart, Long Tube, 409 Stainless Steel, Natural, 1 3/4 in. Primary, 3/8 in. Flange, Chevy, Small Block, Angle/Straight, Pair

Hooker RacingHeart Street Stock Headers 2551-2HKR Headers, RacingHeart, Long Tube, 409 Stainless Steel, Natural, 1 3/4 in. Primary, 3/8 in. Flange, Chevy, Small Block, Angle/Straight, Pair

SKU: HOK2551-2HKR

Headers

Hooker Headers

Hooker RacingHeart Street Stock Headers 2551-2HKR Headers, RacingHeart, Long Tube, 409 Stainless Steel, Natural, 1 3/4 in. Primary, 3/8 in. Flange, Chevy, Small Block, Angle/Straight, Pair

SKU: HOK2551-2HKR

Headers

LOW STOCK! Est Ship 4-7 days. HURRY! LOW STOCK. This item is in limited stock at one of our distribution centres. The ETA is the approximate time required to prepare your order for dispatch.

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Description

Hooker RacingHeart Street Stock headers are for street cars with a small block Chevy engine. They fit various GM A/G and F-body vehicles and offer 3/8 in. thick flanges to offer maximum sealant surface and prevent warping. The headers are available in stainless steel or mild steel, as well as diameter and port shape options. Choose the Hooker RacingHeart Street Stock headers recommended for your vehicle.

Additional features:

• Collectors feature merge spears for increased exhaust velocity
• Fits both straight and angle plug heads
• Requires short oil filter

Part Type

Exhaust Header Set SBC Street Stock 1-3/4 x 3

Data: v4.2 - Upd: 2026-09-29 03:34:45

Specifications

Product Attributes - Brand: Hooker Headers
Product Attributes - Manufacturer's Part Number: 2551-2HKR
Product Attributes - Part Type: Headers
Product Attributes - Product Line: Hooker RacingHeart Street Stock Headers
Product Attributes - UPC: 090127040133
Product Attributes - Header Style: Long tube one-piece
Product Attributes - Header Material: 409 stainless steel
Product Attributes - Primary Tube Outside Diameter (in.): 1 3/4 in.
Product Attributes - Header Color: Natural
Product Attributes - Flange Style: Standard
Product Attributes - Weld-Up: No
Product Attributes - Cylinder Head Port Shape: Square
Product Attributes - Collector Attachment: Slip fit
Product Attributes - Collector Diameter (in.): 3.00
Product Attributes - Collector Reducers Included: No
Product Attributes - Tuned: No
Product Attributes - Spark Plug Position: Angle/Straight
Product Attributes - Flange Thickness (in.): 0.38 in.
Product Attributes - Bolts/Studs Included: Yes
Product Attributes - Gaskets Included: Yes
Product Attributes - Crossover Pipe Included: No
Product Attributes - Catalytic Converter(s) Included: No
Product Attributes - Motor Mounts Included: No
Product Attributes - Transmission Mount Included: No
Product Attributes - Quantity: Sold as a pair.

Reference Information

Brand Name/s	Hooker Headers
StreetFX SKU	hok2551-2HKR
SFX Item ID	5013351
Supplier Item Code	5013351
Manufacturer SKU	2551-2HKR
Manufacturer UPC	90127040133
Alternative References	HKR2551-2, HKR2551-2HKR

Compatibility

Application Data

Make	PONTIAC
Model	GRAND PRIX
Beginning Year	1973
Ending Year	1974
Engine Type	V8
Engine Family	Chevy small block Gen I
Engine Size	5.7L/350
Drivetrain	RWD
Power Steering	Yes
Power Brakes (application)	Yes
Air Conditioning	No
Standard Transmission Column Shift	No
Standard Transmission Floor Shift	Yes
Automatic Transmission Column Shift	Yes
Automatic Transmission Floor Shift	Yes
Application Notes	Engine must be in stock location, will not clear stock manual clutch linkage ball, and requires short oil filter.

Make	PONTIAC
Model	GRAND PRIX
Beginning Year	1973
Ending Year	1974
Engine Type	V8
Engine Family	Chevy small block Gen I
Engine Size	6.6L/400
Drivetrain	RWD
Power Steering	Yes
Power Brakes (application)	Yes
Air Conditioning	No
Standard Transmission Column Shift	No
Standard Transmission Floor Shift	Yes
Automatic Transmission Column Shift	Yes
Automatic Transmission Floor Shift	Yes
Application Notes	Engine must be in stock location, will not clear stock manual clutch linkage ball, and requires short oil filter.

Make	OLDSMOBILE
Model	CUTLASS
Beginning Year	1973
Ending Year	1974
Engine Type	V8
Engine Family	Chevy small block Gen I
Engine Size	5.4L/327
Drivetrain	RWD
Power Steering	Yes
Power Brakes (application)	Yes
Air Conditioning	No
Standard Transmission Column Shift	No
Standard Transmission Floor Shift	Yes
Automatic Transmission Column Shift	Yes
Automatic Transmission Floor Shift	Yes
Application Notes	Engine must be in stock location, will not clear stock manual clutch linkage ball, and requires short oil filter.

Make	OLDSMOBILE
Model	CUTLASS
Beginning Year	1973
Ending Year	1974
Engine Type	V8
Engine Family	Chevy small block Gen I
Engine Size	5.7L/350
Drivetrain	RWD
Power Steering	Yes
Power Brakes (application)	Yes
Air Conditioning	No
Standard Transmission Column Shift	No
Standard Transmission Floor Shift	Yes
Automatic Transmission Column Shift	Yes
Automatic Transmission Floor Shift	Yes
Application Notes	Engine must be in stock location, will not clear stock manual clutch linkage ball, and requires short oil filter.

Make	OLDSMOBILE
Model	CUTLASS
Beginning Year	1973
Ending Year	1974
Engine Type	V8
Engine Family	Chevy small block Gen I
Engine Size	6.6L/400
Drivetrain	RWD
Power Steering	Yes
Power Brakes (application)	Yes
Air Conditioning	No
Standard Transmission Column Shift	No
Standard Transmission Floor Shift	Yes
Automatic Transmission Column Shift	Yes
Automatic Transmission Floor Shift	Yes
Application Notes	Engine must be in stock location, will not clear stock manual clutch linkage ball, and requires short oil filter.

Make	PONTIAC
Model	FIREBIRD
Beginning Year	1970
Ending Year	1974
Engine Type	V8
Engine Family	Chevy small block Gen I
Engine Size	4.3L/262
Drivetrain	RWD
Power Steering	Yes
Power Brakes (application)	Yes
Air Conditioning	No
Standard Transmission Column Shift	No
Standard Transmission Floor Shift	Yes
Automatic Transmission Column Shift	Yes
Automatic Transmission Floor Shift	Yes
Application Notes	Engine must be in stock location, will not clear stock manual clutch linkage ball, and requires short oil filter.

Make	PONTIAC
Model	FIREBIRD
Beginning Year	1970
Ending Year	1974
Engine Type	V8
Engine Family	Chevy small block Gen I
Engine Size	4.3L/265
Drivetrain	RWD
Power Steering	Yes
Power Brakes (application)	Yes
Air Conditioning	No
Standard Transmission Column Shift	No
Standard Transmission Floor Shift	Yes
Automatic Transmission Column Shift	Yes
Automatic Transmission Floor Shift	Yes
Application Notes	Engine must be in stock location, will not clear stock manual clutch linkage ball, and requires short oil filter.

Make	PONTIAC
Model	FIREBIRD
Beginning Year	1970
Ending Year	1974
Engine Type	V8
Engine Family	Chevy small block Gen I
Engine Size	4.4L/267
Drivetrain	RWD
Power Steering	Yes
Power Brakes (application)	Yes
Air Conditioning	No
Standard Transmission Column Shift	No
Standard Transmission Floor Shift	Yes
Automatic Transmission Column Shift	Yes
Automatic Transmission Floor Shift	Yes
Application Notes	Engine must be in stock location, will not clear stock manual clutch linkage ball, and requires short oil filter.

Make	PONTIAC
Model	FIREBIRD
Beginning Year	1970
Ending Year	1974
Engine Type	V8
Engine Family	Chevy small block Gen I
Engine Size	4.6L/283
Drivetrain	RWD
Power Steering	Yes
Power Brakes (application)	Yes
Air Conditioning	No
Standard Transmission Column Shift	No
Standard Transmission Floor Shift	Yes
Automatic Transmission Column Shift	Yes
Automatic Transmission Floor Shift	Yes
Application Notes	Engine must be in stock location, will not clear stock manual clutch linkage ball, and requires short oil filter.

Make	PONTIAC
Model	FIREBIRD
Beginning Year	1970
Ending Year	1974
Engine Type	V8
Engine Family	Chevy small block Gen I
Engine Size	4.9L/302
Drivetrain	RWD
Power Steering	Yes
Power Brakes (application)	Yes
Air Conditioning	No
Standard Transmission Column Shift	No
Standard Transmission Floor Shift	Yes
Automatic Transmission Column Shift	Yes
Automatic Transmission Floor Shift	Yes
Application Notes	Engine must be in stock location, will not clear stock manual clutch linkage ball, and requires short oil filter.

Make	PONTIAC
Model	FIREBIRD
Beginning Year	1970
Ending Year	1974
Engine Type	V8
Engine Family	Chevy small block Gen I
Engine Size	5.0L/305
Drivetrain	RWD
Power Steering	Yes
Power Brakes (application)	Yes
Air Conditioning	No
Standard Transmission Column Shift	No
Standard Transmission Floor Shift	Yes
Automatic Transmission Column Shift	Yes
Automatic Transmission Floor Shift	Yes
Application Notes	Engine must be in stock location, will not clear stock manual clutch linkage ball, and requires short oil filter.

Make	PONTIAC
Model	FIREBIRD
Beginning Year	1973
Ending Year	1974
Engine Type	V8
Engine Family	Chevy small block Gen I
Engine Size	5.0L/307
Drivetrain	RWD
Power Steering	Yes
Power Brakes (application)	Yes
Air Conditioning	No
Standard Transmission Column Shift	No
Standard Transmission Floor Shift	Yes
Automatic Transmission Column Shift	Yes
Automatic Transmission Floor Shift	Yes
Application Notes	Engine must be in stock location, will not clear stock manual clutch linkage ball, and requires short oil filter.

Make	PONTIAC
Model	FIREBIRD
Beginning Year	1973
Ending Year	1974
Engine Type	V8
Engine Family	Chevy small block Gen I
Engine Size	5.3L/327
Drivetrain	RWD
Power Steering	Yes
Power Brakes (application)	Yes
Air Conditioning	No
Standard Transmission Column Shift	No
Standard Transmission Floor Shift	Yes
Automatic Transmission Column Shift	Yes
Automatic Transmission Floor Shift	Yes
Application Notes	Engine must be in stock location, will not clear stock manual clutch linkage ball, and requires short oil filter.

Make	PONTIAC
Model	FIREBIRD
Beginning Year	1973
Ending Year	1974
Engine Type	V8
Engine Family	Chevy small block Gen I
Engine Size	5.4L/327
Drivetrain	RWD
Power Steering	Yes
Power Brakes (application)	Yes
Air Conditioning	No
Standard Transmission Column Shift	No
Standard Transmission Floor Shift	Yes
Automatic Transmission Column Shift	Yes
Automatic Transmission Floor Shift	Yes
Application Notes	Engine must be in stock location, will not clear stock manual clutch linkage ball, and requires short oil filter.

Make	PONTIAC
Model	FIREBIRD
Beginning Year	1973
Ending Year	1974
Engine Type	V8
Engine Family	Chevy small block Gen I
Engine Size	5.7L/350
Drivetrain	RWD
Power Steering	Yes
Power Brakes (application)	Yes
Air Conditioning	No
Standard Transmission Column Shift	No
Standard Transmission Floor Shift	Yes
Automatic Transmission Column Shift	Yes
Automatic Transmission Floor Shift	Yes
Application Notes	Engine must be in stock location, will not clear stock manual clutch linkage ball, and requires short oil filter.

Make	PONTIAC
Model	FIREBIRD
Beginning Year	1973
Ending Year	1974
Engine Type	V8
Engine Family	Chevy small block Gen I
Engine Size	6.6L/400
Drivetrain	RWD
Power Steering	Yes
Power Brakes (application)	Yes
Air Conditioning	No
Standard Transmission Column Shift	No
Standard Transmission Floor Shift	Yes
Automatic Transmission Column Shift	Yes
Automatic Transmission Floor Shift	Yes
Application Notes	Engine must be in stock location, will not clear stock manual clutch linkage ball, and requires short oil filter.

Make	PONTIAC
Model	GRAND PRIX
Beginning Year	1973
Ending Year	1974
Engine Type	V8
Engine Family	Chevy small block Gen I
Engine Size	4.3L/262
Drivetrain	RWD
Power Steering	Yes
Power Brakes (application)	Yes
Air Conditioning	No
Standard Transmission Column Shift	No
Standard Transmission Floor Shift	Yes
Automatic Transmission Column Shift	Yes
Automatic Transmission Floor Shift	Yes
Application Notes	Engine must be in stock location, will not clear stock manual clutch linkage ball, and requires short oil filter.

Make	PONTIAC
Model	GRAND PRIX
Beginning Year	1973
Ending Year	1974
Engine Type	V8
Engine Family	Chevy small block Gen I
Engine Size	4.3L/265
Drivetrain	RWD
Power Steering	Yes
Power Brakes (application)	Yes
Air Conditioning	No
Standard Transmission Column Shift	No
Standard Transmission Floor Shift	Yes
Automatic Transmission Column Shift	Yes
Automatic Transmission Floor Shift	Yes
Application Notes	Engine must be in stock location, will not clear stock manual clutch linkage ball, and requires short oil filter.

Make	PONTIAC
Model	GRAND PRIX
Beginning Year	1973
Ending Year	1974
Engine Type	V8
Engine Family	Chevy small block Gen I
Engine Size	4.4L/267
Drivetrain	RWD
Power Steering	Yes
Power Brakes (application)	Yes
Air Conditioning	No
Standard Transmission Column Shift	No
Standard Transmission Floor Shift	Yes
Automatic Transmission Column Shift	Yes
Automatic Transmission Floor Shift	Yes
Application Notes	Engine must be in stock location, will not clear stock manual clutch linkage ball, and requires short oil filter.

Make	PONTIAC
Model	GRAND PRIX
Beginning Year	1973
Ending Year	1974
Engine Type	V8
Engine Family	Chevy small block Gen I
Engine Size	4.6L/283
Drivetrain	RWD
Power Steering	Yes
Power Brakes (application)	Yes
Air Conditioning	No
Standard Transmission Column Shift	No
Standard Transmission Floor Shift	Yes
Automatic Transmission Column Shift	Yes
Automatic Transmission Floor Shift	Yes
Application Notes	Engine must be in stock location, will not clear stock manual clutch linkage ball, and requires short oil filter.

Make	PONTIAC
Model	GRAND PRIX
Beginning Year	1973
Ending Year	1974
Engine Type	V8
Engine Family	Chevy small block Gen I
Engine Size	4.9L/302
Drivetrain	RWD
Power Steering	Yes
Power Brakes (application)	Yes
Air Conditioning	No
Standard Transmission Column Shift	No
Standard Transmission Floor Shift	Yes
Automatic Transmission Column Shift	Yes
Automatic Transmission Floor Shift	Yes
Application Notes	Engine must be in stock location, will not clear stock manual clutch linkage ball, and requires short oil filter.

Make	PONTIAC
Model	GRAND PRIX
Beginning Year	1973
Ending Year	1974
Engine Type	V8
Engine Family	Chevy small block Gen I
Engine Size	5.0L/305
Drivetrain	RWD
Power Steering	Yes
Power Brakes (application)	Yes
Air Conditioning	No
Standard Transmission Column Shift	No
Standard Transmission Floor Shift	Yes
Automatic Transmission Column Shift	Yes
Automatic Transmission Floor Shift	Yes
Application Notes	Engine must be in stock location, will not clear stock manual clutch linkage ball, and requires short oil filter.

Make	PONTIAC
Model	GRAND PRIX
Beginning Year	1973
Ending Year	1974
Engine Type	V8
Engine Family	Chevy small block Gen I
Engine Size	5.0L/307
Drivetrain	RWD
Power Steering	Yes
Power Brakes (application)	Yes
Air Conditioning	No
Standard Transmission Column Shift	No
Standard Transmission Floor Shift	Yes
Automatic Transmission Column Shift	Yes
Automatic Transmission Floor Shift	Yes
Application Notes	Engine must be in stock location, will not clear stock manual clutch linkage ball, and requires short oil filter.

Make	PONTIAC
Model	GRAND PRIX
Beginning Year	1973
Ending Year	1974
Engine Type	V8
Engine Family	Chevy small block Gen I
Engine Size	5.3L/327
Drivetrain	RWD
Power Steering	Yes
Power Brakes (application)	Yes
Air Conditioning	No
Standard Transmission Column Shift	No
Standard Transmission Floor Shift	Yes
Automatic Transmission Column Shift	Yes
Automatic Transmission Floor Shift	Yes
Application Notes	Engine must be in stock location, will not clear stock manual clutch linkage ball, and requires short oil filter.

Make	PONTIAC
Model	GRAND PRIX
Beginning Year	1973
Ending Year	1974
Engine Type	V8
Engine Family	Chevy small block Gen I
Engine Size	5.4L/327
Drivetrain	RWD
Power Steering	Yes
Power Brakes (application)	Yes
Air Conditioning	No
Standard Transmission Column Shift	No
Standard Transmission Floor Shift	Yes
Automatic Transmission Column Shift	Yes
Automatic Transmission Floor Shift	Yes
Application Notes	Engine must be in stock location, will not clear stock manual clutch linkage ball, and requires short oil filter.

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Hooker RacingHeart Street Stock Headers 2551-2HKR Headers, RacingHeart, Long Tube, 409 Stainless Steel, Natural, 1 3/4 in. Primary, 3/8 in. Flange, Chevy, Small Block, Angle/Straight, Pair

Hooker RacingHeart Street Stock Headers 2551-2HKR Headers, RacingHeart, Long Tube, 409 Stainless Steel, Natural, 1 3/4 in. Primary, 3/8 in. Flange, Chevy, Small Block, Angle/Straight, Pair

Description

Part Type

Specifications

Reference Information

Compatibility

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