Availability
Header Fasteners
Header Bolts, Split Lock, 5/16-18 in., 12-Point, Stainless Steel, Mopar, Small Block LA, Set of 12
Part Number: SUM-910125
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
BUILD IT WITH SUMMIT!
Header Bolts, Split Lock, 8mm x 1.25, 12-Point, Steel, Black Oxide, Chevy LS, Ford 4.0L, Set of 12
Part Number: SUM-910123
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: Nov 30, 2026 if ordered today
Estimated Ship Date: Nov 30, 2026 if ordered today
Header Fasteners, Self-Locking Wedge Header Bolts, Hex Head, Steel, Nickel Plated, M8 x 1.0 Thread Size, 1.181 in. Underhead Length, Set of 16
Part Number: PRO-66826
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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: 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: Nov 25, 2026 if ordered today
Estimated Ship Date: Nov 25, 2026 if ordered today
Header Bolts, 12-Point, 3/8 in. Wrench, Drilled, Stainless, Polished, 3/8 in.-16, 0.750 in. U.H.L., Set of 12
Part Number: ARP-400-1203
Not Yet Reviewed
Estimated Ship Date: Nov 30, 2026 if ordered today
Estimated Ship Date: Nov 30, 2026 if ordered 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: Jan 18, 2027 if ordered today
Estimated Ship Date: Jan 18, 2027 if ordered 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: Tomorrow
Estimated Ship Date: Tomorrow
BB Chevy SS hex .875 UHL header bolt kit
Part Number: ARP-400-1117
Not Yet Reviewed
Estimated Ship Date: Nov 30, 2026 if ordered today
Estimated Ship Date: Nov 30, 2026 if ordered today
MOPAR 3.9L V6 HEADER BOLT KIT
Part Number: STG-6931
Not Yet Reviewed
Estimated Ship Date: Nov 23, 2026 if ordered today
Estimated Ship Date: Nov 23, 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: Jan 15, 2027 if ordered today
Estimated Ship Date: Jan 15, 2027 if ordered today
PARTS PACK
Part Number: STG-PP8933
Not Yet Reviewed
Estimated Ship Date: Nov 23, 2026 if ordered today
Estimated Ship Date: Nov 23, 2026 if ordered today
Header Studs, Hex Nuts, Custom 450, Black Oxide, Oldsmobile, Big, Small Block, V8, Set of 14
Part Number: ARP-180-1411
Not Yet Reviewed
Estimated Ship Date: Nov 23, 2026 if ordered today
Estimated Ship Date: Nov 23, 2026 if ordered today
Header Bolts, Stainless 12-Point, Buick 350-455 3/8" Dia Bolt, .750" UHL, 14 Pc
Part Number: ARP-420-1201
Not Yet Reviewed
Estimated Ship Date: Nov 30, 2026 if ordered today
Estimated Ship Date: Nov 30, 2026 if ordered today
Header Bolts, 12-Point, 3/8 in. Wrench, Drilled, Stainless, Polished, 3/8 in.-16, 0.875 in. U.H.L., Set of 12
Part Number: ARP-400-1206
Estimated Ship Date: Nov 30, 2026 if ordered today
Estimated Ship Date: Nov 30, 2026 if ordered today
BB Chevy 12pt .875 UHL header bolt kit
Part Number: ARP-100-1217
Not Yet Reviewed
Estimated Ship Date: Dec 4, 2026 if ordered today
Estimated Ship Date: Dec 4, 2026 if ordered today
SB Chevy SS 12pt .875 UHL header bolt kit
Part Number: ARP-400-1216
Not Yet Reviewed
Estimated Ship Date: Nov 30, 2026 if ordered today
Estimated Ship Date: Nov 30, 2026 if ordered today
SB Chevy 12pt .875 UHL header bolt kit
Part Number: ARP-100-1216
Not Yet Reviewed
Estimated Ship Date: Nov 30, 2026 if ordered today
Estimated Ship Date: Nov 30, 2026 if ordered today
8906 PARTS PACK
Part Number: STG-PP8906
Not Yet Reviewed
Estimated Ship Date: Nov 23, 2026 if ordered today
Estimated Ship Date: Nov 23, 2026 if ordered today
Header Fasteners, Bolts, Hex Head, Stainless Steel, Chevy, Chrysler, Pontiac, Set of 12
Part Number: MRG-2210G
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Bolts, Hex Head, Steel, Nickel Plated, 8mm x 1.25, Chevy, 5.7, 6.0L, LS1, LS6, Set of 12
Part Number: PRO-66754
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Bolts, Wedge Locking, Hex Head, Steel, Black Oxide, 3/8-16 in. Thread, 1.000 in. UHL, Set of 16
Part Number: PRO-66756
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Bolts, Wedge Locking, Hex Head, Steel, Black Oxide, 3/8-16 in. Thread, 0.750 in. UHL, Chevy, Set of 12
Part Number: PRO-66751
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Fasteners, Bolts, Allen Head, Steel, Black Oxide, Chevy, Chrysler, Pontiac, Set of 12
Part Number: MRG-916
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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