Headers

Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy, LS7, Fits 1.875 in. Primaries, Pair

Part Number: STW-HFLS7188

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Estimated Ship Date: Jan 28, 2026 if ordered today

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2-1/8" primary, 3-1/2" outlet, 8" long. 304 s/s construction with smooth flow taper. We can custom make coll

Part Number: STW-FC4212-350

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Estimated Ship Date: Jan 28, 2026 if ordered today

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2-1/8" primary, 4" outlet, 8" long. 304 s/s construction with smooth flow taper. We can custom make collecto

Part Number: STW-FC4212-400

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Estimated Ship Date: Jan 28, 2026 if ordered today

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2-1/4" primary, 3-1/2" outlet, 8" long. 304 s/s construction with smooth flow taper. We can custom make coll

Part Number: STW-FC4225-350

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Estimated Ship Date: Jan 28, 2026 if ordered today

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2-3/8" primary, 3-1/2" outlet, 8" long. 304 s/s construction with smooth flow taper. We can custom make coll

Part Number: STW-FC4237-350

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Estimated Ship Date: Jan 28, 2026 if ordered today

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WELD ON 4 WAY COLLECTOR

Part Number: STW-FC4237-500

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Estimated Ship Date: Jan 28, 2026 if ordered today

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2-1/2" primary, 3" outlet, 8" long. 304 s/s construction with smooth flow taper. We can custom make collecto

Part Number: STW-FC4250-300

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Estimated Ship Date: Jan 28, 2026 if ordered today

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Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Hemi 5.7L, Fits 1.75 in. Primaries, Pair

Part Number: STW-HF57H175

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Estimated Ship Date: Jan 28, 2026 if ordered today

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Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford, 5.0L/5.2L, Coyote, Voodoo, Fits 2 in. Primaries, Pair

Part Number: STW-HFFORD5-0200

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Estimated Ship Date: Jan 28, 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: Jan 28, 2026 if ordered today

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Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford Small Block, Edelbrock Victor Sr. Heads, Fits 1.875 in. Primaries, Pair

Part Number: STW-S0002

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Estimated Ship Date: Jan 28, 2026 if ordered today

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SLIP FIT MERGE COLLECTOR

Part Number: STW-MCLC4187-350

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Estimated Ship Date: Jan 28, 2026 if ordered today

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2"Four-Way Short Merge Collector Kit

Part Number: STW-MCS4200300K

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Estimated Ship Date: Jan 28, 2026 if ordered today

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Header Tether System, Stainless Steel, 36.0 in. Length, 1.875 in. Primary, 3.000 in. Collector, Kit

Part Number: LOK-1400086

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Header Tether System, Stainless Steel, 36.0 in. Length, 2.000 in. Primary, 2.750 in. Collector, Kit

Part Number: LOK-1400090

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Header Tether System, 36 in. Stainless Steel Tether, Fits 2 in. Primary Tube With 3.000 in. Collector, Kit

Part Number: LOK-1400091

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Header Tether System, 36 in. Stainless Steel Tether, Fits 2 in. Primary Tube With 4.000 in. Collector, Kit

Part Number: LOK-1400093

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Header Tether System, Stainless Steel, 36.0 in. Length, 2.125 in. Primary, 3.000 in. Collector, Kit

Part Number: LOK-1400096

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Header Tether System, 36 in. Stainless Steel Tether, Fits 2 1/4 in. Primary Tube With 4.500 in. Collector, Kit

Part Number: LOK-1400104

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Header Tether System, 36 in. Stainless Steel Tether, Fits 2 3/8 in. Primary Tube With 4.000 in. Collector, Kit

Part Number: LOK-1400116

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Header Tether System, 36 in. Stainless Steel Tether, Fits 2 3/8 in. Primary Tube With 5.000 in. Collector, Kit

Part Number: LOK-1400118

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Header Tether System, 36 in. Stainless Steel Tether, Fits 2 1/2 in. Primary Tube With 5.000 in. Collector, Kit

Part Number: LOK-1400119

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Header Tether System, Stainless Steel, 36.0 in. Length, 1.875 in. Primary, 2.750 in. Collector, Kit

Part Number: LOK-1400085

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Header Collector, Slip-on, Stainless Steel, 1.750 in. Inlets, 3.000 in. Outlet, Each

Part Number: KOK-9903S

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Estimated Ship Date: Feb 3, 2026 if ordered today

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Header Collector, Slip-on, Stainless Steel, 1.750 in. Inlets, 3.500 in. Outlet, Each

Part Number: KOK-9904S

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Estimated Ship Date: Feb 3, 2026 if ordered today

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