CHEVROLET Chevy small block Gen III/IV (LS-based engines) Headers

Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, Chevy, 4.8, 5.3, 5.7L, V8, Set of 12

Part Number: STG-8900

4.83 out of 5 stars ( 35 )

Estimated Ship Date: Today

Header Flanges, Steel, 3/8 in. Thick, 1.75 in. Diameter Round Port, Chevy, LS, Pair

Part Number: SUM-670203

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Header Bolts, 12-Point Head, 20mm UHL, 3/8 in. Wrench, Stainless Steel, Polished, Chevy, LS Engine, Set of 12

Part Number: ARP-434-1201

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

Header Flanges, 304 Stainless Steel, 304, 3/8 in. Thick, 1.75 in. Diameter Round Port, Chevy, LS, Pair

Part Number: SUM-670203-SS

Not Yet Reviewed

Estimated Ship Date: Today

Header Fasteners, Bolts, Locking, 6-point, Steel, Nickel Plated, Chevy, 4.8, 5.3, 5.7L, Set of 12

Part Number: STG-8900B

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Today

Header Flanges, Steel, 3/8 in. Thick, 2.00 in. Diameter Round Port, Chevy, LS, Pair

Part Number: SUM-670202

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Header Flanges, No Stubs, Steel, 0.313 in. Thick, 1.750 in. Port, Gaskets, Bolts, Pair

Part Number: PTE-H7893

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Aug 18, 2025 if ordered today

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Header Flanges, No Stubs, Stainless, 0.375 in. Thick, 2.000 in. Port, Each

Part Number: KOK-7046BS-2

Not Yet Reviewed

Estimated Ship Date: Sep 3, 2025 if ordered today

• Drop Ship
• Special Order

Header Flanges, No Stubs, Stainless, 0.375 in. Thick, 2.000 in. Port, Each

Part Number: KOK-7046-S2

Not Yet Reviewed

Estimated Ship Date: Sep 3, 2025 if ordered today

• Drop Ship
• Special Order