The Blackline limited slip differential for Porsche 996/Boxster S 986 (00-04) 3.2L / 987 3.2L (05-06) A limited slip differential, also known as an LSD (Limited Slip Differential), improves traction by distributing torque between the two-wheel drive systems based on available grip.
Its helical gear design allows the limited slip differential to transmit more torque to the wheel with the best traction. As torque increases, the gears press against the differential housing and generate the internal friction necessary for this torque distribution. The system can thus handle a significant difference in traction between the two wheels, particularly during heavy acceleration when exiting a turn or when traction is limited.
Under light loads, the helical limited slip differential maintains smooth, progressive, and quiet operation. The wheels can continue to rotate at different speeds when necessary, particularly when cornering. This feature enhances traction during spirited driving while maintaining handling suitable for everyday road use.
The Blackline limited slip differential uses a parallel-axis helical gear architecture optimized to distribute forces. Its 5:1 torque split means that when one wheel loses traction, the wheel with the most traction can receive up to five times the torque transmitted to the spinning wheel.
As with any helical-gear limited slip differential, a minimum amount of resistance must remain on the wheel with the least grip to allow torque transfer. It is therefore most effective when both wheels maintain a minimum level of traction.
The Blackline HLF182 limited slip differential is designed for the Porsche 996/Boxster S 986 (00-04) 3.2L and 987 3.2L (05-06) with a slip-on flange. The number of splines is a critical factor to verify before mounting in order to select the version compatible with the vehicle’s transmission. Its housing and gears are made of high-resistance 8620 steel.
Technical Specifications of the Blackline Limited Slip Differential for Porsche 996/Boxster S 986 (00-04) 3.2L/ 987 3.2L (05-06) Snap-on Flange
Manufacturer Part Number: HLF182
Quaife Application Match: QDF7Q
Type: Helical-gear limited slip differential
Porsche compatibility: Porsche 996/Boxster S 986 (00-04) 3.2LSnap-on flange
Porsche Compatibility: 987 3.2 L (05-06) Snap-on Flange
Torque split ratio: 5:1
Housing and gear material: High-resistance 8620 steel
Mounting: Direct replacement for the original differential on compatible models
Key Features of the Blackline Limited Slip Differential for Porsche 996/Boxster S 986 (00-04) 3.2L / 987 3.2L (05-06) Snap-On Flange
- Torque split between the wheels based on available traction.
- Delivers more torque to the wheel with the best traction.
- Immediate and progressive reaction to changes in traction.
- Smooth, progressive, and quiet operation.
- No friction discs for reduced maintenance requirements.
- Power delivery that is easily controllable, especially during spirited driving and drifting.
- Housing and gears made of high-resistance 8620 steel.
- Direct mounting for the original differential.
