McLeod Racing · New
McLeod Street Twin Aluminum Chevy 2Pc Seal Crank 1-1/8X26 Spline 168
MPN 6300107 · Store SKU mlr6300107
Supplier stock checked 11/8/2026, 4:23:40 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/ Aluminum Flywheel - Chevrolet 1955-1985 SBC, 1970-1985 BBC - Organic Discs - 1-1/8x26 Spline, 168T - 6300107 Original Street Twin:Aluminum:Chevrolet:1955-85 SBC:1970-90 BBC:0Bal:168T:1-1/8x26 ST TWN CLUTCH KIT 168 TOOTH ALM FLYWHEEL CHEVY 2PC SEAL CRK 1-1/8" X 26 0 BAL McLeod Original Street Twin - Chevy SBC/BBC, 1-1/8x26, 168T, Alum, Organic Original Street Twin:Aluminum:1955-85 SBC:1970-90 BBC:0Bal:168T:1-1/8x26
Manufacturer fitment & guides
- Chevrolet: Townsman 69 - 69 5.3 L Engine, Chevrolet: Impala 68 - 73 5 L Engine, Chevrolet: Chevelle 68 - 72 5 L Engine, Chevrolet: Caprice 68 - 72 5 L Engine, Chevrolet: El Camino 64 - 69 5.3 L Engine, Chevrolet: Corvette 62 - 68 5.3 L Engine, Chevrolet: Chevy II 65 - 67 5.3 L Engine, Chevrolet: Brookwood 69 - 72 5 L Engine, Chevrolet: Chevelle 64 - 67 5.3 L Engine, Chevrolet: 3100 57 - 58 4.6 L Engine, Chevrolet: Chevelle 65 - 67 6.5 L Engine, Chevrolet: C35 83 - 85 5.7 L Engine, Chevrolet: C15 82 - 85 5.7 L Engine, Chevrolet: K10 Suburban 67 - 67 4.6 L Engine, Chevrolet: Caprice 69 - 72 5.7 L Engine, Chevrolet: K20 Suburban 67 - 69 5.3 L Engine, Chevrolet: K10 Suburban 67 - 69 5.3 L Engine, Chevrolet: Caprice 66 - 69 7 L Engine, Chevrolet: Caprice 66 - 69 6.5 L Engine, Chevrolet: Townsman 70 - 71 6.6 L Engine, Chevrolet: C10 Suburban 67 - 69 5.3 L Engine, Chevrolet: Townsman 69 - 69 7 L Engine, Chevrolet: P30 Series 61 - 62 4.6 L Engine, Chevrolet: One-Fifty Series 57 - 57 4.6 L Engine, Chevrolet: Camaro 67 - 69 5.3 L Engine, Chevrolet: Brookwood 69 - 69 5.3 L Engine, Chevrolet: Nova 70 - 71 7.4 L Engine, Chevrolet: Nova 69 - 70 6.5 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: C20 Suburban 67 - 67 4.6 L Engine, Chevrolet: C10 Suburban 68 - 69 6.5 L Engine, Chevrolet: Bel Air 68 - 68 5 L Engine, Chevrolet: Biscayne 62 - 69 5.3 L Engine, Chevrolet: Kingswood 69 - 69 7 L Engin
- Chevrolet: Townsman 69 - 69 5.3 L Engine, Chevrolet: Impala 68 - 73 5 L Engine, Chevrolet: Chevelle 68 - 72 5 L Engine, Chevrolet: Caprice 68 - 72 5 L Engine, Chevrolet: El Camino 64 - 69 5.3 L Engine, Chevrolet: Corvette 62 - 68 5.3 L Engine, Chevrolet: Chevy II 65 - 67 5.3 L Engine, Chevrolet: Brookwood 69 - 72 5 L Engine, Chevrolet: Chevelle 64 - 67 5.3 L Engine, Chevrolet: Chevelle 65 - 67 6.5 L Engine, Chevrolet: C35 83 - 85 5.7 L Engine, Chevrolet: C15 82 - 85 5.7 L Engine, Chevrolet: K10 Suburban 67 - 67 4.6 L Engine, Chevrolet: Caprice 69 - 72 5.7 L Engine, Chevrolet: K20 Suburban 67 - 69 5.3 L Engine, Chevrolet: K10 Suburban 67 - 69 5.3 L Engine, Chevrolet: Caprice 66 - 69 7 L Engine, Chevrolet: Caprice 66 - 69 6.5 L Engine, Chevrolet: Townsman 70 - 71 6.6 L Engine, Chevrolet: C10 Suburban 67 - 69 5.3 L Engine, Chevrolet: Townsman 69 - 69 7 L Engine, Chevrolet: P30 Series 61 - 62 4.6 L Engine, Chevrolet: One-Fifty Series 57 - 57 4.6 L Engine, Chevrolet: Camaro 67 - 69 5.3 L Engine, Chevrolet: Brookwood 69 - 69 5.3 L Engine, Chevrolet: Nova 70 - 71 7.4 L Engine, Chevrolet: Nova 69 - 70 6.5 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: C20 Suburban 67 - 67 4.6 L Engine, Chevrolet: C10 Suburban 68 - 69 6.5 L Engine, Chevrolet: Bel Air 68 - 68 5 L Engine, Chevrolet: Biscayne 62 - 69 5.3 L Engine, Chevrolet: Kingswood 69 - 69 7 L Engine, Chevrolet: Brookwood 70 - 72 7.4 L
- Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.
- Installation Instructions ↗
- Installation Instructions ↗
- Product Specifications Sheet ↗
- Technical Bulletin ↗
