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Albins
Albins Performance Transmissions – Motorsport-Grade Drivetrain Engineering
Albins Performance Transmissions is an Australian proprietary limited company specialising in the design and manufacture of high-performance Porsche drivetrain components for motorsport, off-road, and extreme-duty applications. With over 30 years of international experience, Albins is recognised as a market leader in precision gears, axles, drive flanges, ring and pinions, and complete sequential transmission systems.
Renowned for innovation and durability, Albins products are proven in some of the world’s most demanding competitions, including Dakar Rally, Baja 1000, Australian V8 Supercars, and top-tier international rally championships. By combining advanced 3D CAD design, CAE analysis, CNC machining, and isotropic polishing processes, Albins delivers drivetrain solutions that offer greater reliability, higher performance, and reduced lifetime maintenance costs.
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
Albins Performance Transmissions Active Gear Knob for Porsche 915 6-Speed Sequential Gearbox
The Albins active gear knob is a motorsport-grade control component designed specifically for use with the Albins Porsche 915 6-speed sequential gearbox. Engineered to integrate seamlessly with vehicle electronics, this active gear knob provides accurate upshift and downshift signals to the ECU, enabling advanced features such as gear-cut ignition control and automatic throttle blipping.
Fits:
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
By converting driver input force into a precise analogue voltage signal, the active gear knob ensures consistent, repeatable shift information—critical for high-performance and competition environments where timing and reliability matter most.
What the Albins Active Gear Knob Does
This advanced gear knob:
- Sends
upshift and downshift signals directly to the vehicle ECU
- Enables ignition cut and throttle blip functionality
- Outputs an analogue signal proportional to applied shift load
- Improves shift accuracy and repeatability
- Enhances drivetrain protection during aggressive shifting
- Supports modern motorsport ECU strategies
It transforms the mechanical action of sequential shifting into a fully integrated electronic control input.
Technical Features &
Design Benefits
- Analogue
voltage output proportional to driver input force
- Industry-standard
mounting system for compatibility and ease of installation
- Indexed
alignment markings to correctly orient the knob with force direction
- Designed for sequential shift applications
- Optimised for motorsport ECU integration
These features ensure precise signal transmission and consistent performance in demanding conditions.
Why Upgrade to an Active Gear Knob
Upgrading to the Albins active gear knob delivers:
- Faster,
cleaner gear changes through ECU-controlled ignition cut
- Smoother
downshifts with automatic throttle blip support
- Reduced drivetrain shock and component wear
- Improved driver confidence under race conditions
- Professional-level shift control used in competitive motorsport
It is a key upgrade for anyone running a sequential gearbox who wants maximum performance and control.
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
Albins Performance Transmissions Porsche 915 6-Speed Sequential Gearbox – Motorsport-Grade Drivetrain Upgrade
The Albins Performance Transmissions A17-915 6-speed sequential gearbox is a purpose-built motorsport transmission developed as a high-performance replacement for the standard Porsche 915 unit. Designed for off-road and competition use, this gearbox delivers dramatically faster shifts, increased strength and superior reliability—without requiring structural modifications to the vehicle.
Fits:
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
The A17-915 retains the original mounting architecture and
connection points for cable-operated clutch and throttle linkages, allowing it
to integrate cleanly into many Porsche 915-equipped platforms. While fitment
may vary between production vehicles, the design philosophy prioritises
compatibility alongside race-level performance.
The A17-915 is engineered to handle torque outputs of up to 600Nm, making it suitable for high-performance and competition applications. Lubrication and cooling are managed through the transmission oil, which is continuously circulated by an integrated internal oil pump.
Oil is directed from the pump to an external cooler before returning to the transmission via the inlet port. From there, it is distributed through a network of purpose-designed internal oil galleries, ensuring consistent lubrication and temperature control across all critical components.
All bearings used within the transmission are roller or ball types, minimising friction while simplifying long-term servicing. The gearbox features a conventional two-bearing shaft layout, combined with an unconventional reverse gear placement. This innovative configuration allows for an exceptionally compact gearset, increasing overall rigidity and strength.
Strategically positioned inspection ports within the transmission housing allow rapid visual checks of gears and dog rings without requiring full disassembly—ideal for motorsport maintenance schedules.
The gears and shafts are heat treated, precision gear-profile ground, shot peened and isotropically polished as standard, ensuring tight tolerances, enhanced durability and smooth operation. The limited-slip differential is a plate-style unit, available with multiple ramp angle options to suit different driving and competition requirements.
Both gear selection travel limits and reverse lock-out travel limits must be correctly set and observed to ensure smooth, reliable and repeatable operation.
Use of the Albins A17 sequential shifter mechanism is strongly recommended, as it has been specifically engineered to operate in conjunction with the A17-915 transmission. If an alternative shifter is employed, it is essential that the gear lever is equipped with positive travel stops. While the A17-915 features internal travel limiters, external stops at the gear lever help prevent excessive movement that could overload the selector rod and related drivetrain components.
Prior to use, the clearance between the release bearing and clutch diaphragm fingers should be verified in accordance with the clutch manufacturer’s specifications. Additionally, a clutch pedal stop must be installed to prevent over-travel of the clutch spring, reducing wear and protecting the clutch assembly.
What the Albins 915 Sequential Gearbox Does
This advanced transmission:
- Converts traditional H-pattern shifting to a sequential shift pattern
- Provides 6 forward gears plus constant-mesh reverse
- Delivers ultra-fast, positive gear engagement
- Improves shift consistency under load
- Enhances drivetrain durability for high-power applications
- Supports lever or paddle-shift actuation
Thanks to the Albins selector barrel profile, shifts are exceptionally smooth and precise—even during aggressive driving or competition use.
Technical Highlights
- Sequential
shift pattern – rapid upshifts and downshifts
- 6 forward gears + constant-mesh reverse
- Mechanical
reverse lockout when using shift lever
- Reverse
lockout removable when paired with paddle-shift systems
- 6-dog
gear engagement design for strength and durability
- Unique
Albins selector barrel for smooth gear transitions
- Requires replacement of the original shifter mechanism
This gearbox is engineered for drivers who demand absolute control and speed.
Why Upgrade to a Sequential 915 Gearbox
Upgrading to the Albins 6-speed sequential transmission
delivers:
- Faster
shift times compared to H-pattern gearboxes
- Reduced
risk of missed shifts during hard driving
- Improved power delivery and acceleration
- Greater durability under high torque loads
- Enhanced driver confidence in competitive environments
- Motorsport-proven reliability and engineering
For track, rally, hill climb or dedicated race builds, a sequential gearbox is a transformative upgrade.
Important Notes
Intended
for motorsport and off-road use
Original
shifter mechanism must be replaced due to sequential operation
Fitment
compatibility may vary across production vehicles
Paddle-shift
compatibility allows removal of reverse lockout
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
A17915
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