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- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
911 Bosch Direct Fit COP Ignition Coils -
High-Performance Ignition Upgrade for Porsche 911 G-Model (1975–1989)
6x coilpacks for your 911 coil on plug conversion
The Adapt Motorsports Bosch Direct Fit COP Ignition Coils offer a modern ignition upgrade for Porsche 911 G-Model (1975–89) engines undergoing EFI and aftermarket ECU conversions. These proven, high-performance Bosch coils provide a strong, consistent spark and mount directly into the original plug holes for a secure, high-integrity installation.
Fits:- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
These coils require spark plugs with a smaller ceramic to fit correctly. Plugs such as IW22 iridiums work well.
Designed specifically for aftermarket fuel injection and engine management systems, these coils are not compatible with the original DME controller. They require an upgraded ECU and wiring loom, making them an essential component in performance builds, restomods or distributor-delete conversions. Adapt Motorsports provides pinout information and ECU setup guidance, while installation is typically integrated into a broader EFI upgrade project.
When removing the original ignition components, these coils
work in conjunction with the Adapt Motorsports Ignition Sync Module—installed
in the former distributor location—to provide accurate engine position sensing
for precise ECU control.
These coils fit securely in the original plug holes. For use as lower coils in twin-plug applications, we recommend adding a retention tab from the lower rocker cover bolt and a heat shield to safeguard the coil from exhaust heat.
These ignition coils deliver tested reliability, strong spark energy, and proven Bosch performance, making them ideal for enhancing throttle response, tuning accuracy, and ignition efficiency on modified Porsche 911 engines.
What Do COP Ignition Coils Do?
Coil-On-Plug (COP) ignition coils provide a dedicated
ignition source at each spark plug, delivering improved spark strength and
timing precision compared with older single-coil and distributor systems.
Core Functions:
- Deliver high-energy spark directly at the plug for cleaner combustion.
- Improve ignition timing accuracy with standalone ECU control.
- Support performance tuning, higher RPM stability and EFI upgrades.
- Eliminate the need for ignition leads and distributor-based systems.
- Enhance throttle response, efficiency, and engine smoothness.
These coils modernise classic Porsche 911 engines for performance and reliability aligned with contemporary ignition technology.
Why Do Traditional Porsche Ignition Components Fail?
Original-style ignition systems in 911 G-Models include ageing components prone to deterioration after decades of use.
Common Causes of Failure Include:
- Heat
stress weakening ignition coils and internal windings.
- Distributor
wear, including worn bearings and mechanical advance issues.
- Cracked
caps or degraded ignition leads causing inconsistent spark delivery.
- Oil
contamination or moisture ingress.
- Spark scatter at high RPM due to mechanical limitations.
When ignition strength deteriorates, drivability, tuning accuracy and engine performance are noticeably compromised.
Why Replace or Upgrade to Adapt Motorsports Direct Fit COP Coils?
Upgrading to a COP conversion offers significant improvements in consistency, efficiency, and performance—particularly in EFI-equipped engines.
Key Benefits:
- High-energy, reliable spark delivery for enhanced combustion.
- Compatible specifically with aftermarket EFI and standalone
- ECUs. Direct-fit Bosch coils proven for durability and performance.
- Secure installation into original spark plug holes.
- Ideal for distributor-delete conversions and modern ignition control.
- Suitable for twin-plug applications with lower-coil retention tab and heat shield (recommended).
- Requires spark plugs with smaller ceramic sections—such as Denso IW22 Iridium—for correct fitment.
These coils are engineered to support modern engine management strategies, making them essential for high-performance or restomod Porsche 911 builds.
Highlights
- Bosch direct-fit COP ignition coils for Porsche 911 G-Model 75–89.
- Designed for aftermarket EFI + standalone ECU conversions.
- Proven, tested performance coils for air-cooled Porsche engines.
- Fit securely into original plug holes.
- Recommended accessories available for twin-plug lower-coil installations.
- ECU pinouts and ignition setup guidance included.
- Ideal for performance engines, restomods and distributor-delete upgrades.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
AMS9050108
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
Fits:
Porsche 993 C2 / C4 / RS 1994-98
This product supersedes Porsche's old part numbers:
- 99360270600
Click 'Zoom in' for large parts diagram.
Diagram ref no 8
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99360270601
The product you are viewing cross references to these numbers
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
The OE Match Ignition Coil is a premium-quality replacement ignition system component designed to deliver the high-voltage electrical energy required to ignite the air and fuel mixture in compatible Porsche engines. Manufactured to OE specifications for fit, electrical performance and durability, this ignition coil restores reliable spark generation, ensuring efficient combustion, smooth engine operation and dependable starting performance.
Fits:
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Manufactured using high-quality copper windings, premium magnetic core materials and a robust heat-resistant housing, the ignition coil is engineered to withstand high operating temperatures, engine vibration and continuous electrical demand. Precision-built for direct OE-style installation, it provides consistent voltage output across all engine speeds, making it an ideal replacement for worn or failing original ignition coils.
What This Product Does:
- Converts battery voltage into the high voltage required for ignition.
- Supplies consistent electrical energy to the ignition system.
- Ensures reliable spark generation for efficient combustion.
- Improves engine starting and idle quality.
- Supports smooth engine performance across the rev range.
- Helps maintain optimum fuel efficiency and emissions.
- Restores factory ignition performance.
- Forms an essential part of the engine ignition system.
Symptoms Of Wear Or Failure:
- Engine misfires.
- Difficult or prolonged engine starting.
- Rough or unstable idle.
- Loss of engine power during acceleration.
- Poor fuel economy.
- Hesitation or jerking under load.
- Illuminated engine management warning light (where applicable).
- Increased exhaust emissions.Intermittent stalling.
- Complete no-start condition if the coil fails.
Why Replacement Matters:
- The ignition coil operates continuously under high electrical loads and is exposed to constant heat, vibration and thermal cycling. Over time, the internal windings, insulation and electrical connections can deteriorate, reducing the coil's ability to generate a strong and consistent spark.
- A failing ignition coil can cause incomplete combustion, resulting in engine misfires, reduced performance, poor fuel economy and increased emissions. Continued operation with a faulty coil may also place additional strain on spark plugs, ignition leads and catalytic converters, potentially leading to more extensive and costly repairs.
- Replacing a worn or faulty ignition coil restores reliable ignition performance, smooth engine operation and efficient combustion. The OE Match replacement provides factory-style fitment, premium-quality internal components and long-lasting durability, helping maintain the performance, reliability and driving experience expected from your Porsche.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92860211600
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- 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
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
- Porsche 914 (1970-1976)
Fits:
Porsche 911 1969 - 1989
Porsche 914/6 1970 - 1972
Porsche 930 1976 - 1989
Porsche 964 C2/C4 1989 - 1994
Porsche 944
Porsche 928
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PCG602502A
The product you are viewing cross references to these numbers