McLeod Flywheel Aluminum Ford 4.6/5.4L MOD Motor 6Bolt Crank Muli-Drilled 164
The McLeod 563406 is the 6-bolt version of McLeod's billet aluminum Mustang flywheel. It is built for the Romeo-built 4.6L 2-valve V8 with a 6-bolt crank flange: 1996-98 Mustang GT, late 2001-04 GT and Bullitt, and the 2005-10 S197 GT. Buyers usually land here after a clutch job reveals a cracked or heat-spotted factory flywheel, or while building a TKO or supercharged GT that needs a lighter, SFI-rated part. It is about 15 lb with a 164-tooth ring gear and zero balance.
Ford built the 4.6 modular engine at two plants, and the crank flanges differ. Romeo engines use six flywheel bolts, Windsor engines use eight, and the two flywheels are not interchangeable. The 563406 is drilled only for the 6-bolt pattern. Like the rest of the McLeod aluminum line, the body is CNC machined from 6061-T6 aluminum, the clutch runs on a bolt-in steel friction plate that can be swapped when worn, and the starter teeth are a hardened 1045 steel ring gear. Cutting rotating weight lets the 2V rev more freely between shifts, which is noticeable on a car that already has gears or a blower.
Slip and chatter can also come from an oil-soaked disc (rear main or input seal leak) or a weak hydraulic release, so look for wet residue in the bellhousing and check pedal free play. Our clutch slipping guide and resurface vs replace guide cover the checks. For broader context on drivetrain slip, see the slipping diagnosis guide, and for budgeting, the manual vs automatic repair cost guide.
McLeod catalogs the 563406 for 1996-2010 4.6L engines with a 6-bolt crank. In Mustang terms that is the 1996-98 GT, late-2001 through 2004 GT, 2001 Bullitt and 2005-10 GT including the 2008-09 Bullitt. It does not fit V6 Mustangs. The 1999 to mid-2001 GT used Windsor 8-bolt engines in many cars, so a 2000 GT may need the 8-bolt McLeod 563408 instead. The 8th VIN character helps (W = Romeo, X = Windsor), but the 2001 Bullitt is a Romeo exception, so the surest test is counting the bolts on the crank flange. On clutch size, 1996-98 cars take a 10.5-inch clutch and late 2001-2010 cars an 11-inch clutch; the wheel is drilled for both patterns. If you are unsure, send your year and VIN before ordering.
| Brand | McLeod Racing |
| Part number | 563406 |
| Fits | McLeod Flywheel Aluminum Ford 4.6/5.4L MOD Motor 6Bolt Crank Muli-Drilled 164 |
| Type | Flywheels |
| Condition | New |
| Ships | Same business day (in stock), from the USA |
| Warranty | 1-year |
Count the bolts holding the flywheel to the crank. The 8th VIN character is a shortcut (W = Romeo 6-bolt, X = Windsor 8-bolt), but the 2001 Bullitt is a Romeo engine, so counting is the reliable test.
Yes. McLeod lists it for 1996-2010 4.6L 6-bolt engines, which includes the 2005-10 S197 GT. It is drilled for the 11-inch clutch those cars use.
No. It is made for the 4.6L V8 only.
Only if the cover matches the 10.5 or 11 inch Mustang pattern and the disc is in good shape. Most people install a fresh clutch, pilot bearing and release bearing at the same time.
Yes. The clutch runs on a bolt-in steel plate. Replace the plate when it wears instead of machining the aluminum body.
