PONTIAC 6.9L/421 Pontiac V8 Headers

Headers, Long Tube, Steel, Painted, Pontiac, 326-455, Pair

Part Number: SUM-G9020

3.73 out of 5 stars ( 33 )

Estimated Ship Date: Today

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Headers, Street, Long Tube, Steel, Black Ceramic Coated, Pontiac, Pair

Part Number: HED-35273

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Headers, Competition, Long Tube, Steel, Painted, Pontiac, 326-455, Pair

Part Number: HOK-4902HKR

4.08 out of 5 stars ( 13 )

Estimated Ship Date: Today

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Header Fasteners, Locking Header Bolts, 3/8 in.-16 Thread, Internal Allen/Hex Head, Stainless Steel, Chevy, Set of 12

Part Number: MRG-2230G

4.54 out of 5 stars ( 26 )

Estimated Ship Date: Today

Headers, Long Tube, Stainless Steel, Natural, Pontiac, 389-428, V8, Pair

Part Number: DOU-D521-SS

Not Yet Reviewed

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Headers, Competition, Long Tube, Steel, Ceramic Coated, Pontiac, 326-455, Pair

Part Number: HOK-4902-1HKR

2.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Header Fasteners, Bolts, Hex Head, Stainless Steel, Chevy, Chrysler, Pontiac, Set of 12

Part Number: MRG-2210G

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, AMC, Oldsmobile, Pontiac, V8, Set 12

Part Number: STG-8916-S

4.33 out of 5 stars ( 9 )

Estimated Ship Date: Today

Headers, Street, Long Tube, Steel, Temporary Paint, Pontiac, 326-455, Pair

Part Number: HED-35270

3.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Headers, Competition, Long Tube, Steel, Painted, Pontiac, 326-455, Pair

Part Number: HOK-4901HKR

3.67 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Header Bolt, Steel, Black Oxide, Reduced Hex Head, 3/8 in.-16, 0.750 in. Length, Set of 12

Part Number: TRD-8885

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Today

Header Fasteners, Bolts, Hex Head, Steel, Black Oxide, Chevy, Chrysler, Pontiac, Set of 12

Part Number: MIL-84542

4.83 out of 5 stars ( 18 )

Estimated Ship Date: Today

Header Fasteners, Studs, Hex Head, Steel, Black Oxide, Chevy, Chrysler, Pontiac, Set of 12

Part Number: MRG-6312

3.4 out of 5 stars ( 5 )

Estimated Ship Date: Today

Headers, Competition, Long Tube, Steel, Ceramic Coated, Pontiac, 326-455

Part Number: HOK-4901-1HKR

2.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, AMC, Buick, Dodge, Pontiac, Set of 12

Part Number: STG-8916A

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Header Fasteners, Bolts, Locking, Double Hex Head, Stainless Steel, Natural, GM, Chrysler, AMC, V8, Set of 12

Part Number: STG-8956

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Header Fasteners, Bolts, Allen Head, Steel, Black Oxide, Chevy, Chrysler, Pontiac, Set of 12

Part Number: MRG-916

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

Header Fasteners, Bolts, Hex Head, Steel, Black Oxide, Chevy, Chrysler, Pontiac, Set of 12

Part Number: MRG-915

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

Header Bolts, External Hex/Socket Head Cap Screw, Cadmium Plated, 3/8 in.-16, 3/4 in. Length, Set of 12

Part Number: SPE-46703

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Header Bolt, Hex Head, Steel, Black Oxide, 3/8 in.-16, 0.750 in. U.H.L., Set of 12

Part Number: MIL-84540

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

Headers, Long Tube, Steel, Ceramic Coated, Pontiac, 389-428, V8, Pair

Part Number: DOU-D521

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Header Fasteners, Bolts, Hex Head, Steel, Black Oxide, Chevy, Chrysler, Pontiac, Set of 12

Part Number: MRG-3409

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Headers, Long Tube, Steel, Painted, Pontiac, 389-428, V8, Pair

Part Number: DOU-D521-B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Header Fasteners, Bolts, Locking, 12-point, Seal, Nickel Plated, AMC, Buick, Chrysler, Pontiac, Set of 12

Part Number: STG-8936

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Feb 13, 2026 if ordered today

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Header Flanges, No Stubs, Steel, 0.375 in. Thick, 1.875 in. Port, Gaskets, Bolts, Pair

Part Number: PTE-H7853

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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