Availability
Headers, Shorty, LS Swap, Conversion, Stainless, Polished, 1 5/8 in. Primary, 2.5 in. Collector, Chevy, 4.8, 5.3, 5.7, 6.2L, Pair
Part Number: SUM-670250
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Headers, Mid Length, Steel, Ceramic Coated, Chevy, Small Block, Pair
Part Number: SUM-G9103
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Estimated Ship Date: Monday 4/13/2026 if shipped by air
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 4/13/2026 if shipped by air
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Header Adapter Plates, Billet Aluminum, .625 in. Thick, Chevy, Small Block to Stahl flange, Kit
Part Number: SUM-695100
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Estimated Ship Date: Monday 4/13/2026 if shipped by air
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 4/13/2026 if shipped by air
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Header Bolts, 12-Point, 3/8 in. Wrench, Stainless Steel, Black Oxide, Chevy, Small Block, Set of 12
Part Number: SUM-910212
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, 1.84 in. x 1.54 in. Oval Port, Chevy, Small Block, Pair
Part Number: SUM-670200-SS
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Estimated Ship Date: Monday 4/13/2026 if shipped by air
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