4L60-E (300mm), Single-Plate Performance Converter (Mounting Ring)
Turbine Hub
Part No. GM-HTCM-57
Does not fit stock applications, for use only with GM-RK-13 when using late, front-wheel drive GM 245mm cores.
Sonnax weld-in turbine hub GM-HTCM-57, along with performance converter kit GM-RK-13, adapts late, front-wheel drive GM 245mm cores for use in GM 4L60-E transmissions that originally came with 300mm LU converters. GM-HTCM-57 is designed to hold up in demanding, performance applications where a late GM 245 core is used. This design correctly locates the O-ring groove in the piston/damper assembly.
- Adapts late GM 245mm cores
- AISI 4130 Chromoly steel forging
- Weld-in
- Material: Chromoly
- Internal Spline Tooth Count: 30
- External Spline Tooth Count: 30
Where to Buy
- Existing Customers: Contact your sales representative.
- New Customers: Fill out the form and a sales representative will contact you.
Related Sonnax Parts
Required
Recommended
Required
Recommended
245mm LU (3T40, 3L30, TH200C, 4T60-E, 4L60 & E:S-10 only), 4L60 (700-R4), 4L60-E, 200-4R (298mm) Single Plate Performance Converter (Mounting Ring), 4L60-E (300mm), Single-Plate Performance Converter (Mounting Ring), 4L80-E, 4L85-E, Single-Plate Performance Converter (Mounting Ring), AODE, 4R70W Performance Converter
O-Ring GM-O-21V
- Material: Fluorocarbon
- Cross Section: 0.070"
- Inner Dia.: 1.239"
Required
Recommended
245mm LU (3T40, 3L30, TH200C, 4T60-E, 4L60 & E:S-10 only), 4L60 (700-R4), 4L60-E, 200-4R (298mm) Single Plate Performance Converter (Mounting Ring), 4L60-E (300mm), Single-Plate Performance Converter (Mounting Ring), 4L80-E, 4L85-E, Single-Plate Performance Converter (Mounting Ring), AODE, 4R70W Performance Converter
O-Ring GM-O-4V
- Material: Fluorocarbon
- Inner Dia.: 1.239"
- Cross Section: 0.078"