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Center the clutch disc before the transmission goes back in
ACT AT71 is a lightweight plastic alignment tool sized for a 1-1/8-inch, 21-spline clutch-disc hub, helping center the disc with the pilot bearing during clutch assembly.
Key Features
- Centers the clutch disc during pressure-plate installation
- 1-1/8-inch splined section matches a 21-spline clutch-disc hub
- Molded plastic construction is light and easy to handle during assembly
- Black finish makes the tool easy to identify in the service kit
- Designed for use only with compatible ACT clutch applications and pilot interfaces
- Reusable when the splines and pilot tip remain clean and undamaged
Fitment
No year-make-model fitment applies. Confirm every dimension, interface, clearance, load, and installation requirement shown below.
| Application Type | Requirements |
|---|---|
| Dimension Based | No year-make-model mapping applies to this service tool. Select it only when the ACT clutch instructions specify a 1-1/8-inch input-shaft interface with 21 splines and the pilot-bearing end matches the application. |
Specifications
| Detail | Value |
|---|---|
| Brand | ACT |
| Manufacturer Part Number | AT71 |
| Product Type | Clutch Alignment Tools |
| Tool Material | Plastic |
| Color | Black |
| Input Shaft Diameter | 1-1/8 inches |
| Spline Count | 21 |
| Weight | 0.1 pound |
| UPC | 837055004680 |
What's Included
- One ACT plastic clutch alignment tool
- Not included: Clutch disc, pressure plate, flywheel, pilot bearing, transmission tools, and installation labor
About ACT
ACT develops performance clutch systems and application-matched installation components. This alignment tool is intended to support assembly of compatible ACT clutch packages by holding the disc on the correct centerline while the pressure plate is tightened.
Related Parts
- Use this tool only with an ACT clutch kit whose installation information calls for the same 1-1/8-inch, 21-spline hub and matching pilot interface.
FAQ
What is the AT71?It is a plastic clutch-disc alignment tool built for a compatible ACT clutch assembly with a 1-1/8-inch, 21-spline hub and the matching pilot-bearing interface.
How do I confirm compatibility?a compatible ACT clutch assembly with a 1-1/8-inch, 21-spline hub and the matching pilot-bearing interface.
Is professional installation recommended?Clutch replacement requires transmission removal and should be performed by an experienced installer with appropriate lifting and torque equipment.
What should be inspected before installation?Inspect every mounting point, mating component, fastener, clearance, and supplied part before beginning.
Does the package include everything needed?The package contents are listed above; tools, fluids, and separately identified accessories are not included.
Can this part be modified to fit another application?No. Use it only with the verified application or interface requirements shown above.
How should the part be maintained?Clean it after use and replace it if the pilot tip or splines are worn, bent, cracked, or contaminated.
What warranty applies?The current manufacturer warranty applies when the product is installed and used within its documented application.
Installation Instructions
- Confirm the clutch disc has a 1-1/8-inch, 21-spline hub and that the pilot tip matches the bearing or bushing.
- Insert the alignment tool through the clutch disc and into the pilot bearing or bushing.
- Position the pressure plate and start all fasteners by hand while keeping the disc centered.
- Tighten the pressure-plate fasteners gradually in the manufacturer-specified pattern and to the specified torque.
- Remove the alignment tool straight out and verify the transmission input shaft can enter without forcing the assembly.
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