Header Reducers, 3-Bolt Flange, 2.5 in. Inlet, 2.5 in. Outlet, Steel, Natural, Pair

Part Number: SUM-G4756

4.56 out of 5 stars ( 45 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Collector Gaskets, Copper, 3-Hole, 2.50 in. Inside Diameter, Pair

Part Number: SUM-620125

4.67 out of 5 stars ( 27 )

Estimated Ship Date: Monday 10/26/2026 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

4.54 out of 5 stars ( 26 )

Estimated Ship Date: Feb 22, 2027 if ordered today

Collector Gaskets, Copper, 3-Hole, 2.50 in. Inside Diameter with Hardware, Kit

Part Number: SUM-610125

4.64 out of 5 stars ( 22 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Exhaust Manifold and Header Gaskets, Steel Core Laminate, Square Port, Chevy, GM, Small Block, SBC, Pair

Part Number: SUM-110451

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Header Reducers, 3-Bolt Flange, 2.50 in. Inlet, 2.00 in. Outlet, Steel, Natural, Pair

Part Number: SUM-G4755

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Exhaust Manifold and Header Gaskets, Steel Core Laminate, Round Port, Chevy, Small Block, SBC, Pair

Part Number: SUM-110454

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air