Header Reducers, 3-Bolt Flange, Welded, 3.50 in. Inlet, 3.00 in. Outlet, Steel, Painted, Pair

Part Number: HOK-11036HKR

4.94 out of 5 stars ( 18 )

Estimated Ship Date: Today

Collector Gaskets, Copper, 3-Hole, 3.50 in. Inside Diameter, Pair

Part Number: SUM-620135

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Today

Exhaust Gaskets, Header, Steel Core Laminate, Oval Port, Ford, Big Block, Set

Part Number: FEL-1419

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Today

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: Today

Header Bolts, Wedge Locking, Hex Head, Steel, Black Oxide, 3/8-16 in. Thread, 1.000 in. UHL, Set of 16

Part Number: PRO-66756

4.55 out of 5 stars ( 11 )

Estimated Ship Date: Today

Collector Gaskets, CopperSeal, 3-Hole, 3.5 in. Inside Diameter, Pair

Part Number: MRG-7178C

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Header Bolts, Wedge Locking, Hex Head, Steel, Black Oxide, 3/8-16 in. Thread, 0.750 in. UHL, Chevy, Set of 16

Part Number: PRO-66752

4.75 out of 5 stars ( 12 )

Estimated Ship Date: Today

Collector Gaskets, Copper, Embossed, 3-Hole, 3.50 in. Inside Diameter, Pair

Part Number: SCE-4350

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Collector Gaskets, Copper, 3-Hole, 3.50 in. Inside Diameter, Pair

Part Number: SCE-4355

Not Yet Reviewed

Estimated Ship Date: Dec 21, 2026 if ordered today

• Special Order

Exhaust Gaskets, Composite with Steel Core, Oval Port, Ford, 385 Series Big Block, 7.5L, Pair

Part Number: EDL-7228

Not Yet Reviewed

Estimated Ship Date: Today

Exhaust Gaskets, AccuSeal Pro, Graphite/Steel, Ford, Big Block, Pair

Part Number: SCE-235180

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 18, 2026 if ordered today

• Special Order