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1973
Performance Parts

1973 GMC SPRINT Performance Parts

Flowmaster 814110 - 1.625" Scavenger Series Elite Long Tube Header
- Header Series: Scavenger Series Elite
- Header Style: 4-1 One-Piece
- Primary Tube Diameter (in): 1.625
- Tube Lengths: Unequal Length
- Outlet Diameter (in): 3
- CARB (California) Compliant: No
- SEMA Emissions Code: 3
- Header Flange Thickness (in): 0.375
- Inlet Port Shape: Round
- Attachment Method: Ball & Socket Flange
- Material: Stainless Steel
- Tube Gauge: 16
- Reducers Included: Yes
- Collector Included: Yes
- Bolts/Studs Included: Yes
- Color/Finish: Silver Ceramic
- Automotive Item Grade: High Performance
Fitment:

1973 GMC SPRINT BASE, CUSTOM / 5.0L V8 GAS, 5.7L V8 GAS

$951.95

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Hooker 2301HKR - Super Competition Block Hugger Header - 1.625 in. Tubing - Collector Size 2.5 in./Length 4 in. - Silver Metallic Ceramic
- Quantity: Sold as a pair.
- Collector Attachment: 3-bolt flange
- Collector Diameter: 2.500 in.
- Bolts/Studs Included: Yes
- Gaskets Included: Yes
- Header Style: Block hugger
- Header Material: Steel
- Header Finish: Silver ceramic coated
- Weld-Up: No
- Primary Tube Diameter (in): 1 5/8 in.
- Cylinder Head Port Shape: D-port
- Tuned: Yes
- Primary Tube Gauge: 18-gauge
- Flange Style: Standard
- Flange Thickness (in): 5/16 in.
- Reducers Included: No
- Y-Pipe Included: No
- Motor Mounts Included: No
- Transmission Mount Included: No
Fitment:

1973 GMC SPRINT BASE, CUSTOM / 5.0L V8 GAS, 5.7L V8 GAS, 6.6L V8 GAS

$642.95

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Hooker 2455-1HKR - Competition Header - Metallic Ceramic Coating - Long Tube - Tube Size 2 in. x 30 in. - Collector Size 3.5 in./Length 10 in.
- Quantity: Sold as a pair.
- Collector Attachment: 3-bolt flange
- Collector Diameter: 3.500 in.
- Bolts/Studs Included: Yes
- Gaskets Included: Yes
- Header Style: Full-length
- Header Material: Steel
- Header Finish: Silver ceramic coated
- Weld-Up: No
- Primary Tube Diameter (in): 2 in.
- Cylinder Head Port Shape: Rectangular
- Tuned: No
- Primary Tube Gauge: 16-gauge
- Flange Style: Standard
- Flange Thickness (in): 5/16 in.
- Reducers Included: No
- Y-Pipe Included: No
- Motor Mounts Included: No
- Transmission Mount Included: No
Fitment:

1973 GMC SPRINT BASE, CUSTOM / 6.6L V8 GAS, 7.4L V8 GAS

$596.62

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Hooker 2466-1HKR - Competition Header - Metallic Ceramic Coating - Shorty - Tube Size 1.625 in. OD - Collector Size 3 in.
- Quantity: Sold as a pair.
- Collector Attachment: 3-bolt flange
- Collector Diameter: 3.000 in.
- Bolts/Studs Included: Yes
- Gaskets Included: Yes
- Header Style: Shorty
- Header Material: Steel
- Header Finish: Silver ceramic coated
- Weld-Up: No
- Primary Tube Diameter (in): 1 5/8 in.
- Cylinder Head Port Shape: Oval
- Tuned: No
- Primary Tube Gauge: 16-gauge
- Flange Style: Standard
- Flange Thickness (in): 5/16 in.
- Reducers Included: No
- Y-Pipe Included: No
- Motor Mounts Included: No
- Transmission Mount Included: No
Fitment:

1973 GMC SPRINT BASE, CUSTOM / 5.0L V8 GAS, 5.7L V8 GAS

$668.95

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Flowtech 11551FLT - Upright Headers - 2 1/4 in. Primary Tubing - 4 in. Collector - (Natural Finish)
Key Features:
- Upright Headers
- 2 1/4 in. Primary Tubing
- 4 in. Collector
- For Use w/Big Block Chevy
- Natural Finish
Fitment:

1973 GMC SPRINT BASE, CUSTOM / 6.6L V8 GAS, 7.4L V8 GAS

$434.95

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Hooker 2451-1HKR - Competition Header - Metallic Ceramic Coating - Long Tube - Tube Size 1.625 in. x 30 in. - Collector Size 2.5 in./Length 8 in.
- Quantity: Sold as a pair.
- Notes: Tube number 2 has a factory dent to allow plug clearance.
- Collector Attachment: 3-bolt flange
- Collector Diameter: 3.000 in.
- Bolts/Studs Included: Yes
- Gaskets Included: Yes
- Header Style: Full-length
- Header Material: Steel
- Header Finish: Silver ceramic coated
- Weld-Up: No
- Primary Tube Diameter (in): 1 5/8 in.
- Cylinder Head Port Shape: Oval
- Tuned: No
- Primary Tube Gauge: 16-gauge
- Flange Style: Standard
- Flange Thickness (in): 5/16 in.
- Reducers Included: No
- Y-Pipe Included: No
- Motor Mounts Included: No
- Transmission Mount Included: No
- Primary Tube Length (in): 30 in.
Fitment:

1973 GMC SPRINT BASE, CUSTOM / 5.0L V8 GAS, 5.7L V8 GAS

$619.95

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Hooker 2451-2HKR - Competition Header - Stainless Steel - Long Tube - Tube Size 1.625 in. x 30 in. - Collector Size 2.5 in./Length 8 in.
- Quantity: Sold as a pair.
- Notes: Tube number 1 has a factory dent to allow plug clearance. These headers are a vibratory polished which does not leave a bright finish.
- Collector Attachment: 3-bolt flange
- Collector Diameter: 3.000 in.
- Bolts/Studs Included: Yes
- Gaskets Included: Yes
- Header Style: Full-length
- Header Material: Stainless steel
- Header Finish: Vibratory Polished
- Weld-Up: No
- Primary Tube Diameter (in): 1 5/8 in.
- Cylinder Head Port Shape: Oval
- Tuned: No
- Primary Tube Gauge: 16-gauge
- Flange Style: Standard
- Flange Thickness (in): 5/16 in.
- Reducers Included: No
- Y-Pipe Included: No
- Motor Mounts Included: No
- Transmission Mount Included: No
- Primary Tube Length (in): 30 in.
Fitment:

1973 GMC SPRINT BASE, CUSTOM / 5.0L V8 GAS, 5.7L V8 GAS

$895.95

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Hooker 2451-3HKR - Competition Header - Darkside Coating - Long Tube - Tube Size 1.625 in. x 30 in. - Collector Size 2.5 in./Length 8 in.
- Quantity: Sold as a pair.
- Notes: Tube number 1 has a factory dent to allow plug clearance.
- Collector Attachment: 3-bolt flange
- Collector Diameter: 3.000 in.
- Bolts/Studs Included: Yes
- Gaskets Included: Yes
- Header Style: Full-length
- Header Material: Steel
- Header Finish: Black ceramic coated
- Weld-Up: No
- Primary Tube Diameter (in): 1 5/8 in.
- Cylinder Head Port Shape: Oval
- Tuned: No
- Primary Tube Gauge: 16-gauge
- Flange Style: Standard
- Flange Thickness (in): 5/16 in.
- Reducers Included: No
- Y-Pipe Included: No
- Motor Mounts Included: No
- Transmission Mount Included: No
- Primary Tube Length (in): 30 in.
Fitment:

1973 GMC SPRINT BASE, CUSTOM / 5.0L V8 GAS, 5.7L V8 GAS

$737.95

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Hooker 2455-2HKR - Competition Header - Stainless Steel - Long Tube - Tube Size 2 in. x 30 in. - Collector Size 3.5 in./Length 10 in.
- Quantity: Sold as a pair.
- Collector Attachment: 3-bolt flange
- Collector Diameter: 3.500 in.
- Bolts/Studs Included: Yes
- Gaskets Included: Yes
- Header Style: Full-length
- Header Material: Stainless steel
- Header Finish: Vibratory Polished
- Weld-Up: No
- Primary Tube Diameter (in): 2 in.
- Cylinder Head Port Shape: Rectangular
- Tuned: No
- Primary Tube Gauge: 16-gauge
- Flange Style: Standard
- Flange Thickness (in): 5/16 in.
- Reducers Included: No
- Y-Pipe Included: No
- Motor Mounts Included: No
- Transmission Mount Included: No
Fitment:

1973 GMC SPRINT BASE, CUSTOM / 6.6L V8 GAS, 7.4L V8 GAS

$951.95

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Flowtech 11545FLT - Upright Headers - 1 5/8 in. Primary Tubing - 3 in. Collector - (409 Stainless Steel) - (Natural Finish)
Key Features:
- Upright Headers
- 1 5/8 in. Primary Tubing
- 3 in. Collector
- 409 Stainless Steel
- Natural Finish
- For Use w/Small Block Chevy
Fitment:

1973 GMC SPRINT BASE, CUSTOM / 5.0L V8 GAS, 5.7L V8 GAS, 6.6L V8 GAS

$352.95

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Flowtech 11546FLT - Upright Headers - 1 3/4 in. Primary Tubing - 3 in. Collector - (409 Stainless Steel) - (Natural Finish)
Key Features:
- Upright Headers
- 1 3/4 in. Primary Tubing
- 3 in. Collector
- 409 Stainless Steel
- Natural Finish
- For Use w/Small Block Chevy
Fitment:

1973 GMC SPRINT BASE, CUSTOM / 5.0L V8 GAS, 5.7L V8 GAS, 6.6L V8 GAS

$351.95

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Hooker 2217-1HKR - Super Competition Header - Metallic Ceramic Coating - Full Length - Tube 2 in. x 35 in. OD - Coll Sz 3.5 in. OD - Coll Length 10 in.
- Quantity: Sold as a pair.
- Collector Attachment: 3-bolt flange
- Collector Diameter: 3.500 in.
- Bolts/Studs Included: Yes
- Gaskets Included: Yes
- Header Style: Full-length
- Header Material: Steel
- Header Finish: Silver ceramic coated
- Weld-Up: No
- Primary Tube Diameter (in): 2 in.
- Cylinder Head Port Shape: Round
- Tuned: Yes
- Primary Tube Gauge: 18-gauge
- Flange Style: Standard
- Flange Thickness (in): 5/16 in.
- Reducers Included: No
- Y-Pipe Included: No
- Motor Mounts Included: No
- Transmission Mount Included: No
Fitment:

1973 GMC SPRINT BASE, CUSTOM / 7.4L V8 GAS

$1,230.95

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Hooker 2116-1HKR - Super Competition Header - Metallic Ceramic Coating - Full Length - Tube 1.75 in. OD x 31 in. - Coll. Size 3 in. - Coll. Length 10 in.
- Quantity: Sold as a pair.
- Collector Attachment: 3-bolt flange
- Collector Diameter: 3.000 in.
- Bolts/Studs Included: Yes
- Gaskets Included: Yes
- Header Style: Full-length
- Header Material: Steel
- Header Finish: Silver ceramic coated
- Weld-Up: No
- Primary Tube Diameter (in): 1 3/4 in.
- Cylinder Head Port Shape: Oval
- Tuned: Yes
- Primary Tube Gauge: 18-gauge
- Flange Style: Standard
- Flange Thickness (in): 5/16 in.
- Reducers Included: No
- Y-Pipe Included: No
- Motor Mounts Included: No
- Transmission Mount Included: No
- Primary Tube Length (in): 31 in.
Fitment:

1973 GMC SPRINT BASE, CUSTOM / 5.0L V8 GAS, 5.7L V8 GAS

$1,101.95

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