Availability
Header Fasteners
Header Bolts, 12-point, 3/8 in.-16 Thread Size, Steel, Zinc Color, 1.00 in. Underhead Length, Chevrolet, Big Block, Set of 16
Part Number: EW1-276454
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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: Tomorrow
Estimated Ship Date: Tomorrow
Header Fasteners, Bolts, Locking, Stainless Steel, Natural, AMC, V8, Set of 12
Part Number: STG-8958S
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Fasteners, Bolts, Locking, 12-point, Steel, Nickel Plated, Chevy, 5.7L, Set of 12
Part Number: STG-8907
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, Mopar, 2.4L, 4-cylinder, Set of 10
Part Number: STG-4926
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, Mopar, 2.0L, 4-cylinder, Set of 8
Part Number: STG-4925
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Header Bolts, Locking, 1/4-20 in. Thread Size, 12-point Head, Steel, Nickel Plated, 1.000 in. UHL, Pair
Part Number: STG-1901A
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Bolts, 12-point, 3/8 in.-16 Thread Size, Steel, Zinc Color, 1.00 in. Underhead Length, Chevrolet, Small Block, Set of 12
Part Number: EW1-276350
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Fasteners, Bolts, Locking, External Hex, Steel, Nickel Plated, Ford, 240, 300, L6, Set of 12
Part Number: STG-6920
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Header Bolts, Locking, 8mm x 1.25 Thread Size, Steel, Nickel Plated, 25.00mm UHL, Chrysler, 3.5L, Set of 12
Part Number: STG-6928
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Header Fasteners, Bolts, Locking, 12-point, Steel, Nickel Plated, AMC, V8, Set of 12
Part Number: STG-8939
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Header Bolts, Hex Head, Steel, Black Oxide, 3/8 in.-16, 1.000 in. U.H.L., Set of 100
Part Number: MRG-917A
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Header Fasteners, Bolts, Locking, Double Hex Head, 8mm x 1.25, Steel, Nickel Plated, Set of 10
Part Number: STG-6101
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Header Fasteners, Header Bolt Kits, Flanged, M8 x 1.25 Thread Size, Steel, Black Oxide, 0.984 in. Underhead Length, Set of 12
Part Number: EDL-8543
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
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