McLeod Racing · New
McLeod Street Twin Steel Chevy 2Pc Seal Crank 0Bal 1-1/8X26 Spline 153
MPN 6400307 · Store SKU mlr6400307
Supplier stock checked 11/8/2026, 4:37:40 AM 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 - Chevrolet 1955-1985 SBC, 1970-1985 BBC - Organic Discs - 1-1/8x26 Spline, 153T - 6400307 Original Street Twin:Steel:Chevy:1955-85 SBC:1970-90 BBC:0Bal:153T:1-1/8x26 McLeod Original Street Twin - Chevy SBC/BBC,1-1/8x26, 153T, Steel, Organic STREET TWN STEEL CHEVY 2PC SEAL 0 BALANCE 1-1/8 X 26 153T
Manufacturer fitment & guides
- Chevrolet: K10 Suburban 73 - 74 7.4 L Engine, Chevrolet: C20 Suburban 68 - 69 6.5 L Engine, Chevrolet: Impala 70 - 73 7.4 L Engine, Chevrolet: Impala 70 - 73 6.6 L Engine, Chevrolet: Brookwood 70 - 72 7.4 L Engine, Chevrolet: Brookwood 70 - 72 6.6 L Engine, Chevrolet: Brookwood 69 - 69 6.5 L Engine, Chevrolet: Brookwood 69 - 72 5.7 L Engine, Chevrolet: G20 Van 73 - 74 7.4 L Engine, Chevrolet: Biscayne 70 - 72 6.6 L Engine, Chevrolet: G20 Van 70 - 74 5.7 L Engine, Chevrolet: G20 Van 67 - 67 4.6 L Engine, Chevrolet: Kingswood 70 - 71 6.6 L Engine, Chevrolet: K10 Suburban 68 - 69 6.5 L Engine, Chevrolet: Biscayne 65 - 69 6.5 L Engine, Chevrolet: Biscayne 63 - 69 7 L Engine, Chevrolet: Kingswood 69 - 69 7 L Engine, Chevrolet: Biscayne 62 - 69 5.3 L Engine, Chevrolet: El Camino 66 - 70 6.5 L Engine, Chevrolet: Biscayne 61 - 65 6.7 L Engine, Chevrolet: El Camino 64 - 69 5.3 L Engine, Chevrolet: El Camino 59 - 67 4.6 L Engine, Chevrolet: Del Ray 58 - 58 4.6 L Engine, Chevrolet: Impala 62 - 69 5.3 L Engine, Chevrolet: Bel Air 70 - 73 7.4 L Engine, Chevrolet: Bel Air 70 - 73 6.6 L Engine, Chevrolet: Malibu 76 - 81 5 L Engine, Chevrolet: Bel Air 69 - 73 5.7 L Engine, Chevrolet: Kingswood 69 - 71 5.7 L Engine, Chevrolet: Laguna 76 - 76 5 L Engine, Chevrolet: Corvette 62 - 68 5.3 L Engine, Chevrolet: Bel Air 65 - 69 6.5 L Engine, Chevrolet: Laguna 75 - 75 7.4 L Engine, Chevrolet: Laguna 75 - 76 5.7 L Engine, Chevrolet: Blazer 69 - 74 5.7 L Engine, Chevrolet: Bel Air 63 - 69 7 L Engine, C
- Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.
