Built to Survive High RPM Launches
The Pure Drivetrain Solutions 21-795-1000 SUPER-FLEX Flexplate is a one-piece flexplate for Gen 3 Hemi V8 engines, machined from hand-selected aerospace grade alloy steel and tested to 20,000 RPM. The 131 tooth integral ring gear design eliminates the failure points found in stamped factory flexplates, making it a durable upgrade for high horsepower automatic transmission Hemi builds.
Key Features
- One-piece design with integral 131 tooth ring gear
- Hand-selected aerospace grade alloy steel from USA steel mills
- Proprietary 3-stage heat treating process for durability
- Hard machined to exacting tolerances of .002 TIR
- Lightening pockets reduce rotating mass for quicker response
- Tested to 20,000 RPM, exceeding SFI safety standard 29.2
- Multiple torque converter bolt patterns for broad compatibility
- Matte black finish with laser etched logo
Fitment
| Year Range | Make | Model | Trim |
|---|---|---|---|
| 2003-2024 | Dodge | Charger | – |
| 2003-2024 | Dodge | Challenger | – |
| 2003-2024 | Dodge | Durango | – |
| 2003-2024 | Jeep | Grand Cherokee | – |
| 2003-2024 | Ram | 1500 | – |
Specifications
| Detail | Value |
|---|---|
| Manufacturer | Pure Drivetrain Solutions |
| Part Number | 21-795-1000 |
| Ring Gear Teeth | 131 |
| Material | Aerospace Grade Alloy Steel |
| Rated Speed | 20,000 RPM |
| Finish | Matte Black |
| Engine Compatibility | Gen 3 Hemi 5.7L, 6.1L, 6.2L, 6.4L V8 |
| UPC | Not published by manufacturer |
What’s Included
- 1x Pure Drivetrain Solutions 21-795-1000 SUPER-FLEX Flexplate
About Pure Drivetrain Solutions
Pure Drivetrain Solutions manufactures precision flexplates and drivetrain hard parts for high performance and racing applications. Their SUPER-FLEX line is engineered and tested well beyond SFI requirements for the demands of high horsepower, high RPM Hemi builds.
FAQ
What is the 21-795-1000?
The 21-795-1000 is a Pure Drivetrain Solutions one-piece SUPER-FLEX flexplate built for Gen 3 Hemi V8 engines with a 131 tooth integral ring gear.
Which engines does this flexplate fit?
This flexplate is designed for Gen 3 Hemi 5.7L, 6.1L, 6.2L, and 6.4L V8 engines used across Dodge, Jeep, and Ram vehicles.
Is this flexplate SFI certified?
The flexplate is tested to 20,000 RPM, which exceeds SFI safety standard 29.2.
What material is the flexplate made from?
It is machined from hand-selected aerospace grade alloy steel sourced from USA steel mills and put through a 3-stage heat treating process.
Does this flexplate work with multiple torque converter bolt patterns?
Yes, the flexplate accommodates multiple torque converter bolt patterns for broad transmission compatibility.
Will this flexplate reduce rotating mass?
Yes, lightening pockets are machined into the flexplate to reduce weight without sacrificing strength.
What finish does the flexplate have?
The flexplate has a matte black finish with a laser etched logo.
Is professional installation recommended?
Yes, flexplate installation involves engine and transmission separation and is recommended for an experienced installer or machine shop.
Does the 21-795-1000 require a spacer for installation?
No, the 21-795-1000 is designed to bolt directly to the Gen 3 Hemi crankshaft flange without requiring a spacer.
Install Instructions
- Support the transmission and remove the transmission from the engine following factory service procedures.
- Remove the factory flexplate bolts and remove the factory flexplate from the crankshaft.
- Inspect the crankshaft flange and torque converter for wear before installing the new flexplate.
- Install the flexplate with the engine side marking facing the crankshaft as specified by the manufacturer.
- Torque the flexplate to crankshaft bolts to the factory specification of 70 ft-lbs.
- Reinstall the torque converter and transmission, then verify proper converter engagement before startup.
