McLeod Racing · New
McLeod Street Twin Steel Chevy 1Pc Seal 1-1/8X10 168T Ceramic Disc
MPN 6400104M · Store SKU mlr6400104M
Supplier stock checked 11/7/2026, 2:56:15 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. 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, and 1,500 horsepower with the ceramic disc upgrade and 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 - Ceramic Discs - 1-1/8x10 Spline, 168T - 6400104M Street Twin; Chevrolet;Steel Flywheel;168T;1955-85 SBC;1970-90 BBC;1991-99 BBC Mark IV;1-1/8 x 10 Spline;Ceramic;Each Original Street Twin:Steel:Chevrolet:1955-85 SBC:1970-90 BBC:0Bal:168T:1-1/8x10:Ceramic Disc. Original Street Twin:Steel:Chevy:1955-85 SBC:1970-90 BBC:0Bal:168T:1-1/8x10 McLeod Original Street Twin - Chevy SBC/BBC,1-1/8x10, 168T, Steel, Ceramic Street Twin; Chevrolet;Steel Flywheel;168T;1-1/8 x 10 Spline;Ceramic;Each
Manufacturer fitment & guides
- Chevrolet: Del Ray 58 - 58 4.6 L Engine, Chevrolet: Corvette 62 - 68 5.3 L Engine, Chevrolet: C35 83 - 85 5.7 L Engine, Chevrolet: One-Fifty Series 57 - 57 4.6 L Engine, Chevrolet: Chevy II 65 - 67 5.3 L Engine, Chevrolet: Brookwood 69 - 69 6.5 L Engine, Chevrolet: Brookwood 70 - 72 6.6 L Engine, Chevrolet: Brookwood 69 - 72 5.7 L Engine, Chevrolet: Brookwood 69 - 72 5 L Engine, Chevrolet: Townsman 70 - 71 6.6 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: P20 Series 61 - 62 4.6 L Engine, Chevrolet: Biscayne 69 - 72 5.7 L Engine, Chevrolet: Caprice 66 - 69 5.3 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: Biscayne 63 - 69 7 L Engine, Chevrolet: G20 Van 70 - 74 5.7 L Engine, Chevrolet: Camaro 67 - 69 6.5 L Engine, Chevrolet: Brookwood 69 - 69 5.3 L Engine, Chevrolet: Nova 70 - 71 7.4 L Engine, Chevrolet: Camaro 67 - 69 5.3 L Engine, Chevrolet: Bel Air 68 - 68 5 L Engine, Chevrolet: Kingswood 69 - 69 7 L Engine, Chevrolet: Biscayne 62 - 69 5.3 L Engine, Chevrolet: K10 Suburban 73 - 74 7.4 L Engine, Chevrolet: Impala 68 - 73 5 L Engine, Chevrolet: Impala 70 - 73 6.6 L Engine, Chevr
- Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.
