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4-Post Hydraulic Internal Slave Cylinder for the Quick Time RM-6036 Bell Housing on Chevy LS Builds
The Clutch Masters CLMN106QT-AT is a 4-post hydraulic internal slave cylinder designed specifically for the Quick Time RM-6036 (QT6036) bell housing. The CLMN106QT-AT replaces the mechanical fork-and-pivot clutch release system with a hydraulic internal slave cylinder, eliminating multiple wearing components and delivering a softer, more consistent pedal feel. The unit fits all Chevy LS engine platforms paired with the QT6036 bell housing and is compatible with a wide variety of manual transmissions. The CLMN106QT-AT ships complete with all hardware needed for installation including -3 braided clutch lines and shims for precise release point adjustment.
Key Features
- 4-Post Internal Slave Cylinder Design: The CLMN106QT-AT uses a 4-post mounting configuration that locates and locks the slave cylinder concentrically around the transmission input shaft inside the QT6036 bell housing, eliminating the external fork and pivot ball
- Fits All Chevy LS Engine Platforms: Compatible with LS1, LS2, LS3, LS6, LS7, LSX, and other Chevy LS-family engines mated to the Quick Time RM-6036 bell housing
- Softer Pedal Feel: Hydraulic slave cylinder actuation reduces clutch pedal effort compared to mechanical linkage systems by converting hydraulic pressure directly to release force at the clutch pressure plate
- Consistent Engagement: The hydraulic circuit in the CLMN106QT-AT self-compensates for clutch wear, maintaining a consistent engagement point throughout the clutch's service life without manual adjustment
- Complete Kit with Lines and Hardware: The CLMN106QT-AT includes -3 braided hydraulic clutch lines, shims for adjusting release point, and all mounting hardware for a complete installation
Specifications
| Detail | Value |
|---|---|
| Part Number (MPN) | N106QT-AT |
| SKU | CLMN106QT-AT |
| Type | 4-Post Hydraulic Internal Slave Cylinder |
| Bell Housing Compatibility | Quick Time RM-6036 (QT6036) |
| Engine Compatibility | All Chevy LS platforms (LS1, LS2, LS3, LS6, LS7, LSX and related) |
| Included Lines | -3 Braided Clutch Lines |
| Weight | 5.0 lbs |
| UPC | N/A |
| Prop 65 | No |
What's Included
- CLMN106QT-AT hydraulic internal slave cylinder (bearing)
- -3 braided hydraulic clutch lines
- Shims for release point adjustment
- All mounting hardware
About Clutch Masters
Clutch Masters has been engineering high-performance clutch systems and drivetrain components in the United States since 1994. Their hydraulic bearing lineup was developed to address the limitations of mechanical clutch release systems in high-performance and racing applications, providing consistent pedal feel and reduced component count for LS swaps, restomod builds, and dedicated race car applications.
Frequently Asked Questions
What is the Clutch Masters CLMN106QT-AT?The CLMN106QT-AT is a 4-post hydraulic internal slave cylinder (throw-out bearing) from Clutch Masters for the Quick Time RM-6036 bell housing. It is designed for Chevy LS engine swaps and builds using the QT6036 bell housing, replacing the mechanical fork-and-bearing release mechanism with a self-contained hydraulic unit for improved pedal feel and consistent engagement.
What bell housing does the CLMN106QT-AT fit?The CLMN106QT-AT is designed specifically for the Quick Time RM-6036 (also marketed as QT6036) bell housing. It is not a universal fitment for other bell housings and must be verified against your specific bell housing part number before ordering.
What engines is the CLMN106QT-AT compatible with?The CLMN106QT-AT is compatible with all Chevy LS-family engines including LS1, LS2, LS3, LS6, LS7, LSX, and related variants, when paired with the Quick Time RM-6036 bell housing. Confirm your specific transmission's input shaft diameter is within the bearing ID clearance range before installation.
Does the CLMN106QT-AT require a master cylinder?Yes. The CLMN106QT-AT is a slave cylinder only. It requires a compatible hydraulic clutch master cylinder and reservoir, which are sold separately. The included -3 braided lines connect the slave cylinder to the master cylinder in the engine bay.
Does installing the CLMN106QT-AT improve clutch pedal feel?Yes. The hydraulic actuation in the CLMN106QT-AT reduces pedal effort and delivers a softer, more linear pedal feel compared to mechanical fork-and-pivot systems, which have friction, flex, and geometry variation built into their design.
Does the CLMN106QT-AT self-adjust for clutch wear?Yes. Like most hydraulic slave cylinders, the CLMN106QT-AT self-adjusts as the clutch disc wears, maintaining a consistent engagement point throughout the clutch's service life without requiring mechanical pedal or fork adjustments.
What lines are included with the CLMN106QT-AT?The CLMN106QT-AT kit includes -3 braided hydraulic clutch lines. These lines connect the slave cylinder to your hydraulic master cylinder. Confirm the fitting type and length match your specific engine bay routing before installation.
Are shims included with the CLMN106QT-AT?Yes. The CLMN106QT-AT ships with shims that allow fine adjustment of the slave cylinder's release point relative to the clutch pressure plate fingers. This adjustment ensures proper disengage travel is available through the hydraulic circuit.
Installation Instructions
- Remove the transmission and bell housing assembly from the vehicle per the applicable service procedure
- Remove the existing mechanical clutch fork, pivot ball, and release bearing from the bell housing
- Install the CLMN106QT-AT slave cylinder through the center of the bell housing, aligning the 4-post mounting pattern with the threaded holes on the transmission face or bell housing pilot bore
- Install shims as needed between the slave cylinder flange and bell housing face to achieve the correct release point clearance per the Clutch Masters instruction sheet
- Secure the 4 mounting posts with the supplied hardware and torque to specification
- Route and connect the included -3 braided lines from the slave cylinder to the hydraulic master cylinder, confirming all fittings are tight and correctly torqued
- Reinstall the transmission and bell housing to the engine, ensuring the input shaft passes cleanly through the slave cylinder center bore
- Bleed the hydraulic clutch system fully before operating the clutch
- Verify clutch engagement and disengagement during a slow, controlled test drive before full operation
Clutch Masters
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