Exhaust Headers, Bolts, Collectors & More

Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy, LS1/LS6, Fits 1.875 in. Primaries, Pair

Part Number: STW-HFLS1188

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Estimated Ship Date: Apr 29, 2026 if ordered today

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Header Flanges, Mild Steel, .375 in. Thick, Chevy, Small Block, LS1/LS2/LS6/LS7, Each

Part Number: NAL-12480130

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Estimated Ship Date: Jun 24, 2026 if ordered today

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Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy, LS1/LS6, Fits 1.625 in. Primaries, Pair

Part Number: STW-HFLS1163

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Estimated Ship Date: May 1, 2026 if ordered today

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Headers, Stainless Steel, Natural Finish, 3/8 in. Flanges, 1.875, in. Primary Tubes, 3.00 in. Outlet, Chevy, Corvette, LS1 Swap, 1968-1982, Pair

Part Number: AMH-S00037

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Estimated Ship Date: May 19, 2026 if ordered today

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Header, Stainless Steel, Natural Finish, 3/8 in. Flanges, 2.000 in. Primary Tubes, 3.00 in. Outlet, Chevy, Chevelle, LS1 Swap, Pair

Part Number: AMH-S00005

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Estimated Ship Date: May 11, 2026 if ordered today

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Headers, Stainless Steel, Natural Finish, 3/8 in. Flanges, 1.750 in. Primary Tubes, 3.00 in. Outlet, Chevrolet, G-Body, LS1 Swap, 1978-87, Pair

Part Number: AMH-S00333

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Estimated Ship Date: May 19, 2026 if ordered today

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Headers, Stainless Steel, Natural Finish, 3/8 in. Flanges, 2.000 in. Primary Tubes, 3.00 in. Outlet, Chevrolet, G-Body, LS1 Swap, 1978-87, Pair

Part Number: AMH-S00335

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Estimated Ship Date: May 19, 2026 if ordered today

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Headers, Stainless Steel, Natural Finish, 3/8 in. Flanges, 1.750, in. Primary Tubes, 3.00 in. Outlet, Chevy, Corvette, LS1 Swap, 1968-1982, Pair

Part Number: AMH-S00036

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Estimated Ship Date: May 19, 2026 if ordered today

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Headers, Stainless Steel, Natural Finish, 3/8 in. Flanges, 1.875 in. Primary Tubes, 3.00 in. Outlet, Ford, Mustang, Fox Body, LS1 Swap, 1979-93, Pair

Part Number: AMH-S00326

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Estimated Ship Date: May 19, 2026 if ordered today

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Patriot Exhaust H7813 Chevrolet LS1-LS6 1 7/8" Round Port Header Flanges

Part Number: PTE-H7813

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Estimated Ship Date: Mar 23, 2026 if ordered today

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HDR SBC SPR STEP LS1

Part Number: SCH-1025LVLS1

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Estimated Ship Date: Tomorrow if ordered today

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HDR SBC 1 5/8 TO 1 3/4" LS1 GB

Part Number: SCH-1385VLS1-3

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Estimated Ship Date: Mar 6, 2026 if ordered today

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Header, HDR SBC LS1, 5/16'' FLANGE, 1-

Part Number: SCH-1399VALS1

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Headers, Shorty, Stainless Steel, Natural, Chevy LS Swap, Pair

Part Number: SNH-LS14-P

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy, LS1/LS6, Fits 1.75 in. Primaries, Pair

Part Number: STW-HFLS1175

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Headers, Stainless Steel, Natural Finish, 3/8 in. Flanges, 1.750 in. Primary Tubes, 3.00 in. Outlet, Ford, Mustang, Fox Body, LS1 Swap, 1979-93, Pair

Part Number: AMH-S00325

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Estimated Ship Date: May 19, 2026 if ordered today

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Headers, Stainless Steel, Natural Finish, 3/8 in. Flanges, 1.875 in. Primary Tubes, 3.00 in. Outlet, Chevrolet, G-Body, LS1 Swap, 1978-87, Pair

Part Number: AMH-S00334

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Estimated Ship Date: May 19, 2026 if ordered today

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Headers, Super Competition, Block Hugger, Stainless Steel, Natural, Chevy, Small Block, LS1, Pair

Part Number: HOK-2314HKR

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 9, 2026 if ordered today

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Headers, Stainless Steel, Natural Finish, 3/8 in. Flanges, 2.000 in. Primary Tubes, 3.00 in. Outlet, Chevrolet, Camaro, LS1 Swap, 1970-81, Pair

Part Number: AMH-S00099

5.0 out of 5 stars ( 1 )

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Headers, Stainless Steel, Natural Finish, 3/8 in. Flanges, 2.000 in. Primary Tubes, 3.50 in. Outlet, Ford, Mustang, Fox Body, LS1 Swap, 1979-93, Pair

Part Number: AMH-S00328

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Estimated Ship Date: May 11, 2026 if ordered today

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HDR SBC SPR 1 7/8" ALL PRO LS1

Part Number: SCH-1055L-LSAP

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Estimated Ship Date: Mar 6, 2026 if ordered today

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Header Bolts, Hex Head, Steel, Chrome, 8mm x 1.25, Chevy, 5.7, 6.0L, LS1, LS6, Set of 12

Part Number: GAR-56406-H

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Estimated Ship Date: Tomorrow if ordered today

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LS1 FLANGE HEADERS

Part Number: SCH-1398ALS1

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Header, Stainless Steel, Natural Finish, 3/8 in. Flanges, 1.875 in. Primary Tubes, 3.00 in. Outlet, Chevy, Chevelle, LS1 Swap, Pair

Part Number: AMH-S00004

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Estimated Ship Date: May 19, 2026 if ordered today

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Headers, Stainless Steel, Natural Finish, 3/8 in. Flanges, 2.000 in. Primary Tubes, 3.00 in. Outlet, Camaro, Firebird, LS1 Swap, 1967-69, Pair

Part Number: AMH-S00091

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Estimated Ship Date: May 19, 2026 if ordered today

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