Hedman Hedders - 88656
Headers - Street - 1.625 in Primary - 3 in Collector - Steel - Metallic Ceramic - Small Block Ford - Ford 1964-73 - Pair
1964-73 Ford Mustang, 351W Engine Swap Headers; 1-5/8 in. MID-LENGTH Tube Design; 3 in. Collector- Standard-Duty,HTC Polished Silver Ceramic Coated
Hedman Hedders has been manufacturing quality headers in the USA since 1954, and they've been manufacturing Ford Mustang headers for nearly as long as Mustangs have been on the road. Each set uses mild steel, smooth flowing, CNC mandrel bent tubes, that are hand-welded to ensure each pair is identical to the next. Hedman's unique, gasketless ball and socket collector design allows your exhaust system to bolt up to these 351W engine swap headers, even if it is not perfectly aligned with the header collectors.
These HTC coated, MID-LENGTH TUBE headers are designed specifically for swapping a 351W engine into a 1964-73 Ford Mustang and Falcon, or '66-73 Ranchero & Torino, that did not come from the factory with a 351W. These headers fit both automatic and manual transmissions, but clutch and shift linkage may be required. The smooth 1-5/8 in., oval port tube design tucks in tight to clear shock towers, and provides superior exhaust flow over factory manifolds to let your 351 Windsor block engine breathe better, and produce excellent low-end torque and horsepower.
Each set includes a pair of gaskets, header flange bolts and collector bolts. No collector gasket is needed.
Hedman Hedders is so confident in the quality of its headers that these headers are factory backed by a Limited Lifetime Warranty. These headers have a high temperature, POLISHED-SILVER ceramic finish that resists corrosion, and can withstand temperatures up to 1400 degree F. This finish is covered by a 5-year factory warranty, in addition to Hedman's standard lifetime header warranty.
- Handcrafted, Mild Steel Construction.
- The Mid-Length Tube Header Design Provides Significantly More Low and Mid-range Power than Cast Manifolds, and Provide Better Ground Clearance And Component Compatibility Than Long Tube Headers.
- Ball & Socket Collector Design requires No Gasket, and Allows For More Exhaust System Misalignment than Old School, Gasket-Style Header Collectors
- Includes All The Necessary Mounting Hardware, Gaskets and Reducers (exhaust adapters)
- Limted Lifetime Warranty On Construction, Five Year Warranty on Factory-Applied Header Coating!
- Proud To Say, Made In The USA, Since 1954!
Package Contents: Headers, ball and socket reducers (exhaust adapters), gaskets, mounting hardware
Flange Thickness: 0.3125 in.
Tube Design: Standard
Header Fasteners Included: Yes
Bolts/Studs Included: Yes
Gasket Or Seal Included: Yes
Header Style: Mid-Length Tube
Reducers Included: Yes
Air Conditioning: Yes
Automatic Transmission - Column: No
Automatic Transmission - Floor: Yes
Collector Size: 3 in.
Collector Style: BALL and SOCKET Style (Gasketless)
Exhaust System Dia: 2-1/2 in.
Finish: HTC Polished Silver Ceramic-Metallic
Finish Type: HTC SILVER (polished) Ceramic-metallic Coating
Flange Style: Standard
Replacement Head Flange Gasket: 27700
Header Port Shape: Oval Port
Key Feature: Engine Swap
Manual Transmission - Column: No
Manual Transmission - Floor: Yes
Material: Mild Steel
Port Shape: Oval
Power Steering: Yes
Reducer Outlet Size: 2-1/2 in.
Tube Diameter: 1-5/8 in.
Tube Length: Mid-Length Tubes
Tube Material Thickness: 16g
Tube Size: 1-5/8 in.
Tube Style: Mid-Length
Variations: 88650, 88658
Cylinder Head Port Shape: Oval
Header Finish: HTC Polished Silver Ceramic-Metallic
Header Material: Mild Steel
Mounting Hardware Included: Yes
Primary Tube Diameter (in): 1.625 in.
Primary Tube Gauge: 16g
Tuned: No
Weld-Up: No
Collector Bolts Included: Yes
Catalytic Converter(s) Included: No
Crossover Pipe Included: No
Motor Mounts Included: No
Quantity: Sold as a pair.
Cylinder Head: Stock Profile Heads
Replacement Gasket: 27700
Installation Hardware Included: Yes
with A.I.R. System: No
with EGR: No
Y-Pipe Included: No
Collector Attachment: 3 in.
Header Construction: MILD STEEL- Standard-Duty
E.O. #: No
Engine Version: Ford Windsor Block (W)
Contents: Header(s), new bolts, gasket(s) to head, reducer(s) and hardware, instructions
Notes: 64-73 Ford Mustang 351W
Emissions Notes: Not Legal For Street Use on '75-Later Model Years! Legal for off-road use only.
Collector Diameter: 3 in.
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