Availability
Header Weld-Up Kit, Long Tube, Steel, Natural, 1 5/8 in. Tubes, 3 in. Collectors, Chevy Small Block, Kit
Part Number: SUM-670185
Estimated Ship Date: Monday 8/25/2025
Estimated Ship Date: Monday 8/25/2025
Header Studs, Hex Nuts, Stainless Steel, Polished, 3/8 in.-16, Chrysler, Small Block, Set of 16
Part Number: ARP-445-1311
Not Yet Reviewed
Estimated Ship Date: Monday 8/25/2025
Estimated Ship Date: Monday 8/25/2025
2-3/8" primary, 4" outlet, 8" long. 304 s/s construction with smooth flow taper. We can custom make collecto
Part Number: STW-FC4237-400
Not Yet Reviewed
Estimated Ship Date: Oct 8, 2025 if ordered today
Estimated Ship Date: Oct 8, 2025 if ordered today
Headers, Shorty, Stainless Steel, Natural, 1 5/8 in. Primary Tube O.D., 2.500 in. Collector Diameter, D-port, Ford, 4.6L, Pair
Part Number: BIG-12134FLT
Estimated Ship Date: Sep 5, 2025 if ordered today
Estimated Ship Date: Sep 5, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Exhaust Collector, Formed, Stainless Steel, 4 into 1, 2.25 in. primary, 4 in. Outlet, 8 in. Length, Each
Part Number: STW-FC4225-400
Not Yet Reviewed
Estimated Ship Date: Monday 8/25/2025
Estimated Ship Date: Monday 8/25/2025
EXHAUST HEADER
Part Number: PTE-H4800
Not Yet Reviewed
Estimated Ship Date: Sep 16, 2025 if ordered today
Estimated Ship Date: Sep 16, 2025 if ordered today
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy Big Block, Fits 2 in. Primaries, Pair
Part Number: STW-HFBBC200
Not Yet Reviewed
Estimated Ship Date: Monday 8/25/2025
Estimated Ship Date: Monday 8/25/2025
Header Flanges, No Stubs, Steel, 0.375 in. Thick, 2.125 in. Port, Gaskets, Bolts, Ford, 390-428 FE, Pair
Part Number: PTE-H7829
Not Yet Reviewed
Estimated Ship Date: Sep 16, 2025 if ordered today
Estimated Ship Date: Sep 16, 2025 if ordered today
Header Flanges, No Stubs, Steel, 0.375 in. Thick, 1.750 in. Port, Gaskets, Bolts, Pair
Part Number: PTE-H7832
Not Yet Reviewed
Estimated Ship Date: Monday 8/25/2025
Estimated Ship Date: Monday 8/25/2025
Headers, Tri-Y, Steel, Temporary non-high Temperature Paint, Pair
Part Number: BIG-12119FLT
Estimated Ship Date: Sep 8, 2025 if ordered today
Estimated Ship Date: Sep 8, 2025 if ordered today
Header Flanges with Stubs, Mild Steel, 5/16 in. Thick, Square 1 3/4 in. Port, Chevy, Small Block, Kit
Part Number: HOK-11622HKR
Estimated Ship Date: Monday 8/25/2025
Estimated Ship Date: Monday 8/25/2025
Header Studs, 12-Point Nuts, Stainless Steel, Polished, 3/8 in.-16, Chrysler, Small Block, Set of 16
Part Number: ARP-445-1301
Not Yet Reviewed
Estimated Ship Date: Monday 8/25/2025
Estimated Ship Date: Monday 8/25/2025
Header Fasteners, Bolts, Locking, Double Hex Head, Stainless Steel, Natural, GM, Chrysler, AMC, V8, Set of 12
Part Number: STG-8956
Estimated Ship Date: Monday 8/25/2025
Estimated Ship Date: Monday 8/25/2025
Headers, Zoomie Grassburner, Steel, Painted, 1 3/4 in. Primary, Oval Port, Chevy, Pair
Part Number: SCH-130
Estimated Ship Date: Monday 8/25/2025
Estimated Ship Date: Monday 8/25/2025
Merge Collector, 3-1, 304 Stainless Steel, Natural, 1.75 in. Primary, 2.5 in. Outlet, 7.5 in. Long, Each
Part Number: VPE-10334
Not Yet Reviewed
Estimated Ship Date: Monday 8/25/2025
Estimated Ship Date: Monday 8/25/2025
Exhaust Ball and Socket Flange, Stainless Steel, 3.00 in. I.D. Collector, 3.00 in. I.D. Pipe, Kit
Part Number: HED-21156
Estimated Ship Date: Monday 8/25/2025
Estimated Ship Date: Monday 8/25/2025
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy Big Block, Fits 2.125 in. Primaries, Pair
Part Number: STW-HFBBC212
Not Yet Reviewed
Estimated Ship Date: Monday 8/25/2025
Estimated Ship Date: Monday 8/25/2025
Header Collectors, Steel, 1 3/4 in. Primary, 3.5 in. Outlet, 10.0 in. Length, Weld-On, Pair
Part Number: PTE-H7682
Estimated Ship Date: Sep 16, 2025 if ordered today
Estimated Ship Date: Sep 16, 2025 if ordered today
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford Small Block, AFR 225 Heads, Fits 2 in. Primaries, Pair
Part Number: STW-HFSBFAFR200
Not Yet Reviewed
Estimated Ship Date: Monday 8/25/2025
Estimated Ship Date: Monday 8/25/2025
Headers, Tri-Y, Steel, Polished, 1 1/2 in. Primary Tube O.D., 2.500 in. Collector Diameter, Angle/Straight Plug, Ford, 4.3L, 4.7L, 5.0L, Pair
Part Number: BIG-12120FLT
Estimated Ship Date: Sep 5, 2025 if ordered today
Estimated Ship Date: Sep 5, 2025 if ordered today
Header Flanges, Carbon Steel, 3/8 in. Thick, Ford Small Block, Fits 1.875 in. Primaries, Pair
Part Number: STW-HFSBFBTADAPT
Estimated Ship Date: Monday 8/25/2025
Estimated Ship Date: Monday 8/25/2025
Headers, Long Tube, Steel, Painted, Ford, Mercury, Car, Small Block, Pair
Part Number: BIG-12100FLT
Estimated Ship Date: Monday 8/25/2025
Estimated Ship Date: Monday 8/25/2025
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, 2.00 in. Diameter Round Port, 7.3 Ford Godzilla 21'-up, Pair
Part Number: SUM-670204SS
Not Yet Reviewed
Estimated Ship Date: Monday 8/25/2025
Estimated Ship Date: Monday 8/25/2025
MANIFOLD FLANGES
Part Number: VPE-14331D
Not Yet Reviewed
Estimated Ship Date: Monday 8/25/2025
Estimated Ship Date: Monday 8/25/2025
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy Small Block, Fits 1.875 in. Primaries, Pair
Part Number: STW-HFSBCSQ1875
Not Yet Reviewed
Estimated Ship Date: Monday 8/25/2025
Estimated Ship Date: Monday 8/25/2025
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This is a custom order part. You can order this part by Contacting Us.