McLeod Racing · New
McLeod Street Twin Steel MOPAR 1963-72 426 Hemi 8 Bolt 1-1/8X26 143
MPN 6442807 · Store SKU mlr6442807
Supplier stock checked 11/7/2026, 3:24:15 PM UTC. Adding a part does not reserve it.
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Product details
McLeod Original Street Twin – Rated for up to 1,200 horsepower with organic discs or 1,500 horsepower with ceramic discs, the Original Street Twin clutch system is engineered for high-horsepower street applications. Ideal for vehicles equipped with superchargers, turbochargers, nitrous oxide, or large-displacement engines, it delivers the holding capacity needed for serious performance while maintaining street-friendly drivability. Available with organic or ceramic clutch discs to match your driving style and performance needs, each system includes a performance aluminum or steel flywheel for a complete, bolt-on performance upgrade. Street Twin - In 1974 with the rising popularity of power adders such as Nitrous,Superchargers and Turbochargers, McLeod recognized the need for a clutch assembly that was street friendly, yet still capable of handling up to 1,200 horsepower, thus the Street Twin was born! This series of McLeod clutch kit is intended for high horsepower street enthusiast. Whether it's NOS,Supercharger,Turbocharger or a Big Inch mountain motor the "Original Street Twin" can handle it. Go with the innovator not the imitator McLeod Racing! In 1974 With The Rising Popularity Of Power Adders Such As Nitrous,Superchargers And Turbochargers, Mcleod Recognized The Need For A Clutch Assembly That Was Street Friendly, Yet Still Capable Of Handling Up To 1,200 Horsepower, Thus The Street Twin Was Born! This Series Of Mcleod Clutch Kit Is Intended For High Horsepower Street Enthusiast. Whether It'S Nos,Supercharger,Turbocharger Or A Big Inch Mountain Motor The "Original Street Twin" Can Handle It. Go With The Innovator Not The Imitator Mcleod Racing! McLeod Original Street Twin Kit w/ Steel Flywheel - 1963-1972 Mopar Hemi / Wedge 8-Bolt Crank - Organic Discs - 1-1/8x26 Spline, 143T, Aftermarket Transmission - 6442807 - Special Order Original Street Twin:Steel:Mopar:'64-03 340 to 440:6 Blt:0Bal:1-1/8x26:143T McLeod Original Street Twin - 63-72 Hemi 8-Bolt, 1-1/8x26, 143T, Stl, Org Street Twin Steel Mopar HEMI 1-1/8 x 26 Spline 0 BAL 8 Bolt CRK 143T
Manufacturer fitment & guides
- Plymouth: Road Runner 68 - 71 7 L Engine, Plymouth: GTX 68 - 71 7 L Engine, Dodge: Challenger 70 - 71 7 L Engine, Dodge: Coronet 65 - 71 7 L Engine, Plymouth: Satellite 65 - 67 7 L Engine, Dodge: Polara 64 - 65 7 L Engine, Dodge: 880 64 - 65 7 L Engine, Plymouth: Savoy 64 - 64 7 L Engine, Dodge: Monaco 65 - 65 7 L Engine, Plymouth: Barracuda 68 - 71 7 L Engine, Plymouth: Belvedere 64 - 69 7 L Engine, Dodge: Charger 66 - 71 7 L Engine, Plymouth: Cuda 70 - 71 7 L Engine, Plymouth: Fury 64 - 66 7 L Engine
- Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.
