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: Today

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: 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: Today

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: Today

Exhaust Manifold and Header Gaskets, Steel Core Laminate, Square Port, Chevy, Big Block, BBC, Pair

Part Number: SUM-110452

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

Exhaust Manifold and Header Gaskets, Steel Core Laminate, Round Port, Chevy, Big Block, BBC, Pair

Part Number: SUM-110456

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 9, 2026 if ordered today

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