McLeod Racing · New
McLeod Street Twin Steel Chevy 2Pc Seal Crank 1-1/8X10 Spline 168
MPN 6400104 · Store SKU mlr6400104
Supplier stock checked 11/8/2026, 3:26:27 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 - 1-1/8x10 Spline, 168T - 6400104 Original Street Twin:Steel:Chevrolet:1955-85 SBC:1970-90 BBC:0Bal:168T:1-1/8x10 McLeod Original Street Twin - Chevy SBC/BBC, 1-1/8x10, 168T, Steel, Organic Original Street Twin:Steel:Chevy:1955-85 SBC:1970-90 BBC:0Bal:168T:1-1/8x10 ST TWN STL CHEVY 1955-85 10.5' X 1-1/8 X 10 SPL 0BAL ORGANIC 168
Manufacturer fitment & guides
- Chevrolet: G20 Van 70 - 74 5.7 L Engine, Chevrolet: Chevelle 70 - 72 5.7 L Engine, Chevrolet: Chevelle 68 - 72 5 L Engine, Chevrolet: Caprice 69 - 72 5.7 L Engine, Chevrolet: Caprice 68 - 72 5 L Engine, Chevrolet: El Camino 59 - 67 4.6 L Engine, Chevrolet: Del Ray 58 - 58 4.6 L Engine, Chevrolet: Corvette 62 - 68 5.3 L Engine, Chevrolet: Chevy II 65 - 67 5.3 L Engine, Chevrolet: Brookwood 69 - 72 5.7 L Engine, Chevrolet: Brookwood 69 - 72 5 L Engine, Chevrolet: Chevelle 65 - 67 6.5 L Engine, Chevrolet: Biscayne 70 - 72 6.6 L Engine, Chevrolet: Chevelle 64 - 67 5.3 L Engine, Chevrolet: Bel Air 70 - 73 6.6 L Engine, Chevrolet: Bel Air 69 - 73 5.7 L Engine, Chevrolet: Caprice 66 - 69 6.5 L Engine, Chevrolet: 3100 57 - 58 4.6 L Engine, Chevrolet: K10 Suburban 67 - 67 4.6 L Engine, Chevrolet: Corvette 70 - 74 7.4 L Engine, Chevrolet: Caprice 66 - 67 4.6 L Engine, Chevrolet: Camaro 69 - 69 7 L Engine, Chevrolet: Camaro 67 - 69 4.9 L Engine, Chevrolet: Camaro 67 - 69 6.5 L Engine, Chevrolet: C20 Suburban 68 - 69 6.5 L Engine, Chevrolet: Monza 76 - 79 5 L Engine, Chevrolet: C20 Suburban 67 - 67 4.6 L Engine, Chevrolet: C10 Suburban 68 - 69 6.5 L Engine, Chevrolet: Chevelle 70 - 72 6.6 L Engine, Chevrolet: Blazer 69 - 73 5 L Engine, Chevrolet: Townsman 69 - 69 6.5 L Engine, Chevrolet: Townsman 69 - 69 7 L Engine, Chevrolet: C10 Suburban 67 - 69 5.3 L Engine, Chevrolet: Townsman 69 - 69 5.3 L Engine, Chevrolet: P30 Series 61 - 62 4.6 L Engine, Chevrolet: Brookwood 70 - 72 7.4 L Engine,
- Chevrolet: G20 Van 70 - 74 5.7 L Engine, Chevrolet: Chevelle 70 - 72 5.7 L Engine, Chevrolet: Chevelle 68 - 72 5 L Engine, Chevrolet: Caprice 69 - 72 5.7 L Engine, Chevrolet: Caprice 68 - 72 5 L Engine, Chevrolet: El Camino 59 - 67 4.6 L Engine, Chevrolet: Del Ray 58 - 58 4.6 L Engine, Chevrolet: Corvette 62 - 68 5.3 L Engine, Chevrolet: Chevy II 65 - 67 5.3 L Engine, Chevrolet: Brookwood 69 - 72 5.7 L Engine, Chevrolet: Brookwood 69 - 72 5 L Engine, Chevrolet: Chevelle 65 - 67 6.5 L Engine, Chevrolet: Biscayne 70 - 72 6.6 L Engine, Chevrolet: Chevelle 64 - 67 5.3 L Engine, Chevrolet: Bel Air 70 - 73 6.6 L Engine, Chevrolet: Bel Air 69 - 73 5.7 L Engine, Chevrolet: Caprice 66 - 69 6.5 L Engine, Chevrolet: K10 Suburban 67 - 67 4.6 L Engine, Chevrolet: Corvette 70 - 74 7.4 L Engine, Chevrolet: Caprice 66 - 67 4.6 L Engine, Chevrolet: Camaro 69 - 69 7 L Engine, Chevrolet: Camaro 67 - 69 4.9 L Engine, Chevrolet: Camaro 67 - 69 6.5 L Engine, Chevrolet: C20 Suburban 68 - 69 6.5 L Engine, Chevrolet: Monza 76 - 79 5 L Engine, Chevrolet: C20 Suburban 67 - 67 4.6 L Engine, Chevrolet: C10 Suburban 68 - 69 6.5 L Engine, Chevrolet: Chevelle 70 - 72 6.6 L Engine, Chevrolet: Blazer 69 - 73 5 L Engine, Chevrolet: Townsman 69 - 69 6.5 L Engine, Chevrolet: Townsman 69 - 69 7 L Engine, Chevrolet: C10 Suburban 67 - 69 5.3 L Engine, Chevrolet: Townsman 69 - 69 5.3 L Engine, Chevrolet: P30 Series 61 - 62 4.6 L Engine, Chevrolet: Brookwood 70 - 72 7.4 L Engine, Chevrolet: Biscayne 69 - 72 5.7 L Eng
- Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.
