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Lock down your headers with top-quality header fasteners from Summit Racing. Our selection of header bolts and studs will keep your headers in place even when heat and...
Lock down your headers with top-quality header fasteners from Summit Racing. Our selection of header bolts and studs will keep your headers in place even when heat and vibration gets intense. That means no power loss and no leakage! And with polished, chrome, nickel-plated, and gold iridited options, they can even enhance the appearance of your engine. Our selection of header fasteners comes from some of the industry’s most-respected names—Stage 8, ARP, BBK, Kooks Headers, Percy’s, Hedman, and many others. Complete your aftermarket header installation with header bolts and studs from Summit Racing!
Lock down your headers with top-quality header fasteners from Summit Racing. Our selection of header bolts and studs will keep your headers in place even when heat and vibration gets intense. That means no power loss and no leakage! And with polished, chrome, nickel-plated, and gold iridited options, they can even enhance the appearance of your engine. Our selection of header fasteners comes from some of the industry’s most-respected names—Stage 8, ARP, BBK, Kooks Headers, Percy’s, Hedman, and many others. Complete your aftermarket header installation with header bolts and studs from Summit Racing!
Showing In Stock Items. Show All 30 Items.
MOPAR 3.9L V6 HEADER BOLT KIT
Part Number: STG-6931
Not Yet Reviewed
Estimated Ship Date: Oct 23, 2025 if ordered today
Estimated Ship Date: Oct 23, 2025 if ordered today
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: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, Chevy, V6, Small Block, Set of 12
Part Number: STG-8911
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, Chevy, V6, Small Block V8, Set of 12
Part Number: STG-8911A
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Header Bolts, Locking, Double Hex Head, Stainless Steel, Natural, Chevy, Small Block V8, V6, Set of 12
Part Number: STG-8951
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Header Fasteners, Bolts, Locking, 12-point, Steel, Nickel Plated, Chevy, V6, Small Block V8, Set of 12
Part Number: STG-8911B
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Header Studs, Stainless 12-Point, Buick V6, 3.8L, 12 Pieces
Part Number: ARP-420-1402
Not Yet Reviewed
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Header Fasteners, Bolts, Locking, 12-Point, Steel, Nickel Plated, Chevy, V6, Small Block V8, Set of 12
Part Number: STG-8931
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, Ford, 2.9, 3.8, 4.0L, V6, Set of 12
Part Number: STG-6919
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, Dodge, 3.9L, V6, Set of 8
Part Number: STG-6916
Estimated Ship Date: Oct 23, 2025 if ordered today
Estimated Ship Date: Oct 23, 2025 if ordered today
3.6L V6 CADILLAC HEADER KIT
Part Number: STG-6905
Not Yet Reviewed
Estimated Ship Date: Oct 23, 2025 if ordered today
Estimated Ship Date: Oct 23, 2025 if ordered today
V6 USING 8mm BOLTS
Part Number: STG-6969
Not Yet Reviewed
Estimated Ship Date: Oct 23, 2025 if ordered today
Estimated Ship Date: Oct 23, 2025 if ordered today
4.3L V6 USING 10MM-1.5
Part Number: STG-8911M
Not Yet Reviewed
Estimated Ship Date: Oct 23, 2025 if ordered today
Estimated Ship Date: Oct 23, 2025 if ordered today
Header Bolts, Wedge Locking, Hex Head, Steel, Black Oxide, 3/8-16 in. Thread, 1 in. UHL, Chevy, Set of 12
Part Number: PRO-66753
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Header Fasteners, Bolts, Hex Head, Steel, Black Oxide, Ford, GM, Mercury, Mopar, Set of 16
Part Number: MOR-38710
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Header Bolts, Wedge Locking, Hex Head, Steel, Black Oxide, 3/8-16 in. Thread, 0.750 in. UHL, Chevy, Set of 16
Part Number: PRO-66752
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Header Fasteners, Bolts, Hex Head, Stainless Steel, Chevy, Chrysler, Pontiac, Set of 12
Part Number: MRG-2210G
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Header Bolts, Hex, 8mm x 1.25 Thread, Steel, Zinc Plated, 30mm Underhead Length, Ford, 4.6L, 5.4L, Set of 16
Part Number: BBK-1624
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
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: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Header Bolts; Hex Head; 0.375 in.-16 x 0.75 in.; 16 pc.
Part Number: MRG-919G
Not Yet Reviewed
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Header Studs, 12-Point Nuts, Custom 450, Black Oxide, Buick 3.8L, Set of 12
Part Number: ARP-120-1402
Not Yet Reviewed
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
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: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, GM, Jeep, 2.8L, Set of 12
Part Number: STG-6910
Not Yet Reviewed
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
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: Oct 23, 2025 if ordered today
Estimated Ship Date: Oct 23, 2025 if ordered today
Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, Chevy, 3.8L, Set of 12
Part Number: STG-6912
Estimated Ship Date: Oct 23, 2025 if ordered today
Estimated Ship Date: Oct 23, 2025 if ordered today
Header Bolts, Locking, 10mm x 1.25 Thread Size, Steel, Nickel Plated, 25.00mm UHL, Toyota, 4.0L, Set of 12
Part Number: STG-6922
Estimated Ship Date: Oct 23, 2025 if ordered today
Estimated Ship Date: Oct 23, 2025 if ordered today
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Summit Racing™ Split Lock Bolt Kits SUM-910123
