Collector Gaskets, Copper, 3-Hole, 3.00 in. Inside Diameter, Pair

Part Number: SUM-620130

5.0 out of 5 stars ( 34 )

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

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

Part Number: SUM-G4754

4.6 out of 5 stars ( 50 )

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

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

Part Number: SUM-G4752

4.5 out of 5 stars ( 46 )

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

Collector Gaskets, Copper, 3-Hole, 3.00 in. Inside Diameter with Hardware, Kit

Part Number: SUM-610130

4.79 out of 5 stars ( 34 )

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

Header Reducers, 3-Bolt Flange, 3.00 in. Inlet, 3.00 in. Outlet, Steel, Natural, Pair

Part Number: SUM-G4752ID

4.62 out of 5 stars ( 45 )

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

Header Reducers, 3-Bolt Flange, 3 in. Inlet, 2.25 in. Outlet, Steel, Natural, Pair

Part Number: SUM-G4751

4.29 out of 5 stars ( 21 )

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