Header Reducers & Extensions

SB Chevy Header, 3/8" x 16", 1-1/4 Bolt Kit 12 PT head, set of 12

Part Number: STG-8931B

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Estimated Ship Date: Tomorrow

Header Reducer, Terminator Reducers/Street Hookups, 3 Bolt, Inlet 3.5 in., Outlet 2.5 in., Each

Part Number: BIG-10016FLT

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Estimated Ship Date: Sep 15, 2025 if ordered today

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Header Collector Extensions, 3.5 in., Slip-Fit, 18-Gauge, Fits 3.5 in. Pipe, 36 in. Length, Each

Part Number: SCH-360035

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Exhaust Pipe, Connector, Slip Fit, 3.00 in. I.D. to 3.00 in. O.D., Steel, Natural, Pair

Part Number: PTE-H7633

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

SB Ford Header, 3/8" x 16", 1-1/4 Bolt Kit 12 PT head, set of 16

Part Number: STG-8933B

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Estimated Ship Date: Sep 15, 2025 if ordered today

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LS1, LS2, LS6 Chevy w/8mm x 30mm, 1-1/4" underhead, 12 pt head, set of 12

Part Number: STG-8930B

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Estimated Ship Date: Sep 15, 2025 if ordered today

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COLLECTOR FLANGE

Part Number: PTE-H7269

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Estimated Ship Date: Sep 23, 2025 if ordered today

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HEADER COLLECTOR ADAPTER

Part Number: STW-HCA2-52O2

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HEADER COLLECTOR ADAPTER

Part Number: STW-HCA3-52-5O2

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Collector Bolts, Hex Head, Locking, Steel, Nickel Plated, 10mm x 1.50 Thread, 75mm UHL, Set of 6

Part Number: STG-8950F

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Collector Bolts, Hex Head, Locking, Steel, Nickel Plated, 10mm x 1.5 Thread, Set of 4

Part Number: STG-8950M

5.0 out of 5 stars ( 1 )

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Collector Bolts, Hex Head, Locking, Steel, Nickel Plated, 10mm x 1.50 Thread, 65mm UHL, Set of 6

Part Number: STG-8950N

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VERTEX FORMED EXHAUST VALVEBELLOWS

Part Number: VPX-817978

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Estimated Ship Date: Sep 23, 2025 if ordered today

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VERTEX FORMED EXHAUST VALVEBELLOWS

Part Number: VPX-817999

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Estimated Ship Date: Sep 24, 2025 if ordered today

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Header Reducers, 3-Bolt Flange, 3 in. Inlet, 2.5 in. Outlet, Steel, Natural, Set of 10

Part Number: BIG-10002FLT

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Estimated Ship Date: Sep 15, 2025 if ordered today

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Header Reducers, Stainless, Natural, Ball and Socket Flange, 2.5 in. Collector, 2.0 in. Reducer Outlet, Pair

Part Number: HED-22123

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Estimated Ship Date: Nov 17, 2025 if ordered today

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