McLeod Racing · New
McLeod Street Twin Steel MOPAR SB & BB 6 Bolt Crank 1 X 23 Spline 143
MPN 6442602 · Store SKU mlr6442602
Supplier stock checked 11/7/2026, 9:18:22 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 - Mopar 1964-2003 340/383/440 6-BoltCrank - Organic Discs - 1x23 Spline, 143T - 6442602 - Special Order McLeod Original Street Twin - 64-03 Mopar 340 6-Bolt, 1x23, 143T, Stl, Org Original Street Twin:Steel:Mopar:'64-03 340 to 440:6 Blt:0Bal:1x23:143T ST TWN STL MOPAR 1 X 23 SPLINE 6 BOLT CRANK 0-BAL 130T
Manufacturer fitment & guides
- Dodge: D200 75 - 78 7.2 L Engine, Dodge: W200 Pickup 74 - 74 7.2 L Engine, Dodge: Charger 70 - 74 7.2 L Engine, Dodge: W100 Pickup 74 - 74 7.2 L Engine, Chrysler: Newport 70 - 71 7.2 L Engine, Dodge: B200 75 - 78 7.2 L Engine, Dodge: Polara 70 - 71 7.2 L Engine, Dodge: Ramcharger 74 - 78 7.2 L Engine, Dodge: D300 Pickup 73 - 74 7.2 L Engine, Dodge: W150 78 - 78 7.2 L Engine, Chrysler: 300 66 - 67 7.2 L Engine, Dodge: Monaco 70 - 71 7.2 L Engine, Dodge: D100 75 - 78 7.2 L Engine, Dodge: Coronet 66 - 76 7.2 L Engine, Dodge: B100 Van 74 - 74 7.2 L Engine, Dodge: W200 75 - 78 7.2 L Engine, Dodge: D200 Pickup 73 - 74 7.2 L Engine, Dodge: B300 75 - 78 7.2 L Engine, Dodge: CB300 77 - 79 7.2 L Engine, Dodge: W100 75 - 77 7.2 L Engine, Dodge: D100 Pickup 73 - 74 7.2 L Engine, Dodge: D150 78 - 78 7.2 L Engine, Dodge: W300 75 - 78 7.2 L Engine
- Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.
