Header Bolts, Hex Head, 3/8 in. Wrench, Stainless Steel, Polished, Chevy, Small Block, Set of 12

Part Number: ARP-400-1101

4.77 out of 5 stars ( 69 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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

Part Number: SUM-G4754SS

4.68 out of 5 stars ( 25 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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 11/9/2026 if shipped by air

Exhaust Gaskets, Header, Copper, Stock Port, Chevy, Small Block, Pair

Part Number: SUM-111406

4.24 out of 5 stars ( 55 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

Exhaust Gaskets, Header, Copper, Round Port, Chevy, Big Block, Pair

Part Number: SUM-111412

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, Chevy, Ford, Chrysler, V8, Set of 16

Part Number: STG-8912

4.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

Collector Gaskets, Copper, 3-Hole, 3.50 in. Inside Diameter with Hardware, Kit

Part Number: SUM-610135

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

Header Fasteners, Bolts, Locking, 12-point, Steel, Nickel Plated, Chevy, Ford, Chrysler, V8, Set of 16

Part Number: STG-8932

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air