Availability
2013 Header Fasteners
Header Bolts, Split Lock, 8mm x 1.25, 12-Point, Steel, Black Oxide, Ford Modular, Chevy 8.1L, Set of 16
Part Number: SUM-910124
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Bolts, Hex Head, 8mm x 1.25 Thread Size, Steel, Black Oxide, 0.984 in. Underhead Length, Dodge, Ford, Set of 17
Part Number: MRG-970G
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Bolt, Hex Head, M8 x 1.25 Thread, Steel, Black, 1.00 in. Overall Length, Buick, Cadillac, Chevrolet, Pontiac, Set of 12
Part Number: CGT-CF1013
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Bolts, Locking, Internal Allen/Hex, Steel, Nickel Plated, 10mm x 1.5, Ford, 5.0L Modular, Set of 16
Part Number: STG-8914C
Estimated Ship Date: Today
Special Offer
Buy Locking Header Bolts, get half off Collector Bolt Kit!
Estimated Ship Date: Today
Header Bolt kit for HEMI and Ford Modular Engines. (16) M8-1.25 x 25mm Grade 18-8 SS header bolts. 10mm head.
Part Number: KOK-BK111
Estimated Ship Date: May 22, 2026 if ordered today
Estimated Ship Date: May 22, 2026 if ordered today
Header Fasteners, Bolts, Locking, Hex Head, Steel, Nickel Plated, Toyota, 4.7L, 5.7L, V8, Set of 16
Part Number: STG-8919
Not Yet Reviewed
Estimated Ship Date: Today
Special Offer
Buy Locking Header Bolts, get half off Collector Bolt Kit!
Estimated Ship Date: Today
Header Fasteners, Bolts, Locking, Hex, Steel, Nickel Plated, Dodge, 5.9L Diesel, 6.7L Diesel, Set of 12
Part Number: STG-6935B
Not Yet Reviewed
Estimated Ship Date: Today
Special Offer
Buy Locking Header Bolts, get half off Collector Bolt Kit!
Estimated Ship Date: Today
Header Bolt Kit for Coyote, VooDoo, Predator and 6.2L Engines. (16) M10-1.25mm x 25mm (Fine Thread) Grade 18-8 SS bolts. 10mm head.
Part Number: KOK-BK109
Not Yet Reviewed
Estimated Ship Date: May 21, 2026 if ordered today
Estimated Ship Date: May 21, 2026 if ordered today
Header Fasteners, Bolts, Locking, Hex, Steel, Nickel Plated, Ford, 4.6, 5.4L, Set of 16
Part Number: STG-8906B
Not Yet Reviewed
Estimated Ship Date: Apr 8, 2026 if ordered today
Special Offer
Buy Locking Header Bolts, get half off Collector Bolt Kit!
Estimated Ship Date: Apr 8, 2026 if ordered today
Header Bolt Kit for LS Engines. (12) M8-1.25 x 25mm Grade 18-8 SS Header Bolts. 10mm head.
Part Number: KOK-BK110
Not Yet Reviewed
Estimated Ship Date: May 21, 2026 if ordered today
Estimated Ship Date: May 21, 2026 if ordered 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, Flanged Hex Head, 8mm x 1.25, 22mm Underhead Length, Chevy LS, Set of 12
Part Number: SCH-3004-12
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 bolt kit for early Coyote engines. (16) M10-1.50 x 25mm (Coarse Thread) Grade 18-8 SS header bolts. 10mm head.
Part Number: KOK-BK112
Not Yet Reviewed
Estimated Ship Date: May 21, 2026 if ordered today
Estimated Ship Date: May 21, 2026 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: Apr 8, 2026 if ordered today
Special Offer
Buy Locking Header Bolts, get half off Collector Bolt Kit!
Estimated Ship Date: Apr 8, 2026 if ordered today
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