Availability
Headers
Header Collector, 4 Into 1, Weld-on, 1.875 in. Primaries, 3 in. Collector, Steel, Natural, Each
Part Number: SCH-WO83040
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Fasteners, Bolts, Hex Head, Steel, Black Oxide, Chevy, Chrysler, Pontiac, Set of 12
Part Number: MRG-3409
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Bolts, Hex Head, 5/16 in. Wrench, Stainless Steel, Polished, 3/8 in.-16, 0.750 in. U.H.L., Set of 12
Part Number: ARP-400-1107
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Collector, 4 Into 1, Weld-on, 2 in. Primaries, 3.5 in. Collector, Steel, Natural, Each
Part Number: SCH-WO03540
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Collector, Formed, 2 Into 1, Weld-on, 1 5/8 in. Primary, 2.5 in. Collector Diameter, 6.5 in. Length
Part Number: PTE-H7660
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Fasteners, Header Bolt Kits, Flanged, 3/8 in. - 16 Thread Size, Steel, Black Oxide, 0.750 in. Underhead Length, Set of 12
Part Number: EDL-8540
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Bolts, Hex Head, Stainless Steel, Drilled, 3/8 in.-16, 0.875 in. U.H.L., Set of 12
Part Number: ARP-400-1106
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Fasteners, Bolts, Allen Head, Black Oxide, Steel, 8mm x 1.25 Thread, 25mm Length, Set of 16
Part Number: MRG-978G
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Bolts, 12-Point, Stainless Steel, Polished, 3/8 in.-16, Oldsmobile, 330-455, Set of 14
Part Number: ARP-480-1201
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Bolts, Hex Head, 3/8 in. Wrench, Drilled, Custom 450, Black Oxide, Chevy, Small Block, Set of 12
Part Number: ARP-100-1103
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Collector, 4 Into 1, Weld-on, 2.25 in. Primaries, 4 in. Collector, Steel, Natural, Each
Part Number: SCH-WO24040
Not Yet Reviewed
Estimated Ship Date: Mar 6, 2026 if ordered today
Estimated Ship Date: Mar 6, 2026 if ordered today
Header Bolts, Hex Head, Custom 450, Black Oxide, Oldsmobile, Big, Small Block, V8, Set of 14
Part Number: ARP-180-1101
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Flanges, No Stubs, Steel, 0.250 in. Thick, 1.750 in. Port, Each
Part Number: SCH-0510
Not Yet Reviewed
Estimated Ship Date: Mar 6, 2026 if ordered today
Estimated Ship Date: Mar 6, 2026 if ordered today
Header Studs, Hex Nuts, Custom 450, Black Oxide, Buick 3.8L, Set of 12
Part Number: ARP-120-1412
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Flanges, No Stubs, Steel, 0.250 in. Thick Flange, 1.625 in. Port, Each
Part Number: SCH-0177
Estimated Ship Date: Mar 5, 2026 if ordered today
Estimated Ship Date: Mar 5, 2026 if ordered today
Header Flanges, No Stubs, Steel, 0.250 in. Thick, 1.875 in. Port, Each
Part Number: SCH-0112
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Bolts, Hex Head, Stainless Steel, Polished, 3/8 in.-16, Oldsmobile, 330-455, Set of 14
Part Number: ARP-480-1101
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Bolts, 12-Point, 3/8 in. Wrench, Custom 450, Black Oxide, Chevy, Small Block, Drilled, Set of 12
Part Number: ARP-100-1203
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Flanges, No Stubs, Steel, 0.250 in. Thick, 1.875 in. Port, Each
Part Number: SCH-0120
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, Dodge, 3.9L, V6, Set of 8
Part Number: STG-6916
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Heat Exchanger Components, J Tubes, Volkswagen, Pair
Part Number: VWP-B2-5100-0
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Studs, 12-Point Nuts, Steel, Black Oxide, Buick, 350-455, Set of 14
Part Number: ARP-120-1401
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
HEADER BOLT KIT, GM LS, 4.8, 5.3, 5.7, 30mm UHL, 3/8" Wrenching, Set of 12ea
Part Number: PQX-1011902
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Header Flange, No Stubs, Steel, 0.250 in. Thick, 1.750 in. Port, Each
Part Number: SCH-01111
Estimated Ship Date: Mar 5, 2026 if ordered today
Estimated Ship Date: Mar 5, 2026 if ordered today
Header Bolts, 12-Point, 5/16 in. Wrench, Custom 450, Black Oxide, 3/8 in.-16, 0.750 in. U.H.L., Set of 12
Part Number: ARP-100-1207
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
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