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Hydraulic Throwout Bearing, Self-Adjusting, Billet Aluminum, 4.680 in. Register, for GM 1-1/8 in. 10/26-Spline Transmission
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MCLEODPART NUMBER: 673-1406-20

Hydraulic Throwout Bearing, Self-Adjusting, Billet Aluminum, 4.680 in. Register, for GM 1-1/8 in. 10/26-Spline Transmission

$35910$399.00You Save$39.90
ShippingShips on 09/15/2026
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Hydraulic Throwout Bearing
  • GM 1-1/8 in. 10 & 26-Spline Transmission
  • Billet Aluminum Construction
  • 4.680 in. Bearing Register, 1.375 in. Guide Tube Bore
  • Self-Adjusting, Stainless Steel Lines with Bleeder

    Swapping to hydraulic clutch actuation on an older GM manual transmission does not have to mean fabricating custom linkage. This McLeod 1400 Series bearing bolts in place of the stock throwout bearing and turns the assembly into a self-adjusting hydraulic actuator.

    McLeod 1406-20 Hydraulic Throwout Bearing Features:

    • Fits GM manual transmissions using a 1-1/8 in. input shaft in 10-spline or 26-spline configuration.
    • 4.680 in. bearing register diameter matches the stock bellhousing opening.
    • 1.375 in. transmission guide tube O.D. accommodates the factory guide tube.
    • Hard-anodized billet aluminum body resists wear from repeated cycling.
    • Stainless steel lines and swivel fittings simplify installation and bleeding.
    • Self-adjusting design compensates automatically for clutch disc wear.
    • Does not include a master cylinder; sold as the release bearing only.
  • Part TypeClutch Release Bearing and Slave Cylinder Assembly
    BrandMCLEOD
    Package Height3.2
    Package Width5.6
    Package Length13.7
    Weight2.42 PG
    Part CategoryPerformance Parts
    Bearing Register4.680 in.
    "A" Dimension3.250 in. or Greater
    Trans TypeTR-3650
    QuantitySold individually.
    MakeGM
    Transmission Guide Tube O.D.1.375 in.
    Master Cylinder IncludedNo
    Part FitmentUniversal
    Stock Collar I.D.4.850"
    Spline1 1/8 x 10; 1-1/8 x 26
    Stock T.O. Bearing I.D.1.410"
    Vendor Part Number1406-20
    Package Qty1
    Package TypeEA
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    Some parts are not legal for use in California or other states with similar laws / regulations
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