Availability
Header Fasteners
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: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Header Fasteners, Bolts, Hex Head, Steel, Black Oxide, Chevy, Chrysler, Pontiac, Set of 12
Part Number: MRG-3409
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Header Bolts, 12-Point, 5/16 in. Wrench, Stainless Steel, Polished, 3/8 in.-16, 0.750 in. U.H.L., Set of 12
Part Number: ARP-400-1207
Estimated Ship Date: Today
Estimated Ship Date: 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: Today
Estimated Ship Date: 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: Today
Estimated Ship Date: Today
Header Fasteners, Self-Locking Wedge Header Bolts, Hex Head, Steel, Nickel Plated, 3/8 in. NPT Thread Size, 0.750 in. Underhead Length, Set of 12
Part Number: PRO-66827
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Bolts, Hex Head, Stainless Steel, Polished, 8mm x 1.25, Chevy, 5.7, 6.0L, LS1, LS6, Set of 12
Part Number: GAR-56406-HSP
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, Dodge, 3.9L, V6, Set of 8
Part Number: STG-6916
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Jun 8, 2026 if ordered today
Estimated Ship Date: Jun 8, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Ball and Socket Locking Bolt Kit. (4) M10 x 75, Hex Head Flange Bolt (serrated), Grade 18-8 SS. (4) M10, Hex Head Flange Nut (Locking), Grade 18-8 SS.
Part Number: KOK-BK114
Not Yet Reviewed
Estimated Ship Date: Jun 1, 2026 if ordered today
Estimated Ship Date: Jun 1, 2026 if ordered today
8906 PARTS PACK
Part Number: STG-PP8906
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
PARTS PACK
Part Number: STG-PP8933
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
MOPAR 3.9L V6 HEADER BOLT KIT
Part Number: STG-6931
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
8900B PARTS PACK
Part Number: STG-PP8900B
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
PRO SERIES HEADER BOLT KIT - GM GEN III/IV LS, 12-PT
Part Number: TSN-734-86052
Not Yet Reviewed
Estimated Ship Date: Jun 5, 2026 if ordered today
Estimated Ship Date: Jun 5, 2026 if ordered today
Bolts, Header, Ford 4.6 5.4, 8 MM Grade 10.9
Part Number: MOR-38712
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
CHEVY HEADER BOLT
Part Number: GAR-56461-H
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
CHEVY SS HEX EXHAUST MANIFOLD
Part Number: GAR-13-56477-HSP
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
Header Bolts 3/8 - 16 3/4", Grade 5 Black Oxide Finish With Hex and Socket Head
Part Number: CGT-CF1009
Not Yet Reviewed
Estimated Ship Date: Jun 8, 2026 if ordered today
Estimated Ship Date: Jun 8, 2026 if ordered today
FORD HEADER BOLTS 7/16 OVAL
Part Number: GAR-11-56223-H
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
HEADER BOLTS-LT-1 ENGINE
Part Number: GAR-10-56498-H
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
HEADER BOLTS VORTEC S/B BOWTIE
Part Number: GAR-10-56702-H
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
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