Availability
Header Bolts, Split Lock, 3/8-16 in., 12-Point, Steel, Black Oxide, Chevy, Mopar, AMC, Set of 12
Part Number: SUM-910120
Estimated Ship Date: Monday 6/9/2025
Estimated Ship Date: Monday 6/9/2025
Header bolt kit, Extreme Duty, Chromoly, Black Oxide, Chevy LS, 6 pt., Set of 12
Part Number: SUM-910502
Estimated Ship Date: Monday 6/9/2025
Estimated Ship Date: Monday 6/9/2025
Header Bolts, Hex Head, 1.000 in. UHL, 3/8 in. Wrench, Stainless Steel, Natural, Chevy, LS Engine, Set of 12
Part Number: SUM-910231
Estimated Ship Date: Monday 6/9/2025
Estimated Ship Date: Monday 6/9/2025
Header Flanges, Steel, 3/8 in. Thick, 1.75 in. Diameter Round Port, Chevy, LS, Pair
Part Number: SUM-670203
Estimated Ship Date: Monday 6/9/2025
Estimated Ship Date: Monday 6/9/2025
Header Flanges, Steel, 3/8 in. Thick, 1.84 in. x 1.54 in. Oval Port, Chevy, Small Block, Pair
Part Number: SUM-670200
Estimated Ship Date: Monday 6/9/2025
Estimated Ship Date: Monday 6/9/2025
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: Monday 6/9/2025
Estimated Ship Date: Monday 6/9/2025
Header Flanges, Steel, 3/8 in. Thick, 2.0 in. Diameter Round Port, Chevy, Big Block, Pair
Part Number: SUM-670201
Estimated Ship Date: Monday 6/9/2025
Estimated Ship Date: Monday 6/9/2025
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 6/9/2025
Estimated Ship Date: Monday 6/9/2025
Header Flanges, Steel, 3/8 in. Thick, 2.00 in. Diameter Round Port, Chevy, LS, Pair
Part Number: SUM-670202
Estimated Ship Date: Monday 6/9/2025
Estimated Ship Date: Monday 6/9/2025
Header Bolts, Hex Head, 30mm UHL, 3/8 in. Wrench, Stainless Steel, Black, Chevy, LS Engine, Set of 12
Part Number: SUM-910232
Not Yet Reviewed
Estimated Ship Date: Monday 6/9/2025
Estimated Ship Date: Monday 6/9/2025
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: Monday 6/9/2025
Estimated Ship Date: Monday 6/9/2025
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