Availability
Header Fasteners
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: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Header Fasteners, Bolts, Hex Head, Steel, Black Oxide, Chevy, Chrysler, Pontiac, Set of 12
Part Number: MRG-3409
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Header Bolt, Hex Head, Steel, Black Oxide, 3/8 in.-16, 0.750 in. U.H.L., Set of 12
Part Number: MIL-84540
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Header Fasteners, Bolts, Locking, Internal Allen/Hex, Steel, Nickel Plated, 3/8-16 in., 0.750 in. UHL, Pair
Part Number: STG-8910
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Header Bolts, Hedder Bolt Kit, Header, 3/8-16 x 0.750 in., Zinc Plated, Hex, 16 pc.
Part Number: HED-09000
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
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: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
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: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
BRIGGS HEADER / CARB
Part Number: STG-1901
Not Yet Reviewed
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
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: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Header Bolts, Flanged Hex Head, 3/8-16 in., 0.750 in. Underhead Length, Set of 12
Part Number: SCH-3006-12
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Header Bolts, 3/8-24 in., 0.750 in. Underhead Length, Set of 12
Part Number: SCH-3002-12
Not Yet Reviewed
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Header Bolts, Hex, 3/8-16 in. Thread, Steel, Zinc Plated, 0.750 in. Underhead Length, Set of 16
Part Number: PTE-H7971
Estimated Ship Date: Mar 10, 2026 if ordered today
Estimated Ship Date: Mar 10, 2026 if ordered 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: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
AMC 150 HEADER KIT
Part Number: STG-4918
Not Yet Reviewed
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
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