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Ignition Lead Sets
Restore reliable ignition performance with this OE Match Ignition HT Lead Set, manufactured as a direct replacement. Produced to OE-style specifications, this complete high-tension lead set is designed to deliver high-voltage current from the ignition coil or distributor to the spark plugs with minimal electrical resistance, ensuring consistent spark delivery for efficient engine operation.
Fits:
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
Over time, ignition leads are exposed to heat, vibration, moisture, and engine contaminants, causing the insulation to deteriorate and the internal conductors to weaken. This can result in poor ignition performance, engine misfires, reduced fuel efficiency, and difficult starting. Replacing worn HT leads helps restore dependable ignition performance, improve combustion efficiency, and maintain engine reliability. This OE Match ignition HT lead set is ideal for routine maintenance, ignition system repairs, and Porsche restoration projects.
What This Product Does:
- Transfers high-voltage current from the ignition system to the spark plugs.
- Ensures consistent spark delivery for efficient combustion.
- Helps maintain smooth engine performance.
- Reduces the risk of ignition voltage loss.
- Replaces aged, cracked, or deteriorated ignition leads.
- Supports reliable engine starting and efficient fuel combustion.
- Provides an OE-style fit and dependable quality.
Symptoms Of Wear Or Failure:
- Engine misfires or hesitation.
- Difficult or inconsistent starting.
- Rough idle or uneven engine running.
- Reduced engine performance.
- Increased fuel consumption.
- Cracked, hardened, or damaged lead insulation.
- Visible arcing or electrical leakage from the HT leads.
- Scheduled ignition system servicing or restoration work.
Why Replacement Matters:
- The ignition HT lead set is responsible for delivering high-voltage electrical current to each spark plug at precisely the right time. Any deterioration in the insulation or internal conductor can reduce spark energy, resulting in incomplete combustion, poor engine performance, increased emissions, and reduced fuel economy.
- Replacing worn ignition leads restores efficient spark delivery, improves engine performance, supports reliable starting, and helps protect other ignition system components from unnecessary strain. Manufactured as a direct replacement and produced to OE-style specifications, this OE Match Ignition HT Lead Set provides the correct fit, dependable electrical performance, and long-lasting durability, making it an excellent choice for Porsche maintenance, repairs, and restoration projects.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94460206010
The product you are viewing cross references to these numbers
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
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12 Month Warranty
Worldwide Delivery
Fits:
Porsche 944 8V 1982-89
Porsche 924S 1986-88
Porsche 944 2.5L Turbo
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94460901520
The product you are viewing cross references to these numbers
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
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12 Month Warranty
Worldwide Delivery
Set of 4 leads with distributor king lead.
Fits:
Porsche 944 8V 1982-89
Porsche 924S 1986-88
Porsche 944 2.5L Turbo
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94460901520
The product you are viewing cross references to these numbers
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
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12 Month Warranty
Worldwide Delivery
Fits:
Porsche 911 1970-89
Porsche 914/6 1970-72
Porsche 924S 1986-88
Porsche 928 1983-95
Porsche 944 1985-91
Porsche 968 1992-95
Porsche 964 1989-94
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99965242640
The product you are viewing cross references to these numbers
- 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 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- 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 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
- 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)
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12 Month Warranty
Worldwide Delivery
Ignition Lead Sets – Reliable Spark Transfer for Peak Porsche Performance
Ignition lead sets, also known as spark plug wire sets, play a crucial role in your Porsche’s ignition system. They carry high-voltage current from the ignition coil or distributor to the spark plugs, ensuring a strong and consistent spark for optimal combustion and performance.
At Design911, we offer a wide range of genuine and high-quality ignition lead sets for 911, 944, 928 and other Porsche models. Each set is designed for precise fitment, superior conductivity, and exceptional heat resistance — maintaining dependable performance under all driving conditions.
What Do Ignition Lead Sets Do?
Ignition leads are responsible for delivering the electrical
charge required to ignite the fuel-air mixture inside your Porsche’s engine.
Their functions include:
- Transmitting
high-voltage current from the ignition coil or distributor to the
spark plugs.
- Ensuring
consistent spark delivery for smooth combustion.
- Reducing
electrical resistance for improved efficiency and performance.
- Providing insulation and durability against heat and vibration.
High-quality ignition leads are essential for maintaining strong ignition performance, quick starts, and efficient fuel use in all Porsche engines.
Why Do Ignition Leads Fail?
Over time, ignition leads experience electrical and thermal
wear, reducing their ability to deliver a strong spark. Common causes of
failure include:
- Cracked
insulation from heat or age.
- Corrosion
or oxidation on terminals.
- High
resistance due to degraded internal conductors.
- Moisture
or oil contamination causing arcing or short circuits.
- Mechanical stress from engine vibration or poor routing.
Symptoms of failing ignition leads include engine misfires, rough idling, reduced acceleration, hard starting, and increased fuel consumption.
Why Replace Worn Ignition Leads?
Old or damaged ignition leads can cause weak or inconsistent spark delivery, leading to reduced engine performance and fuel efficiency. Replacing them restores proper combustion and smooth operation.
Benefits of replacement include:
- Improved throttle response and power output.
- Smoother engine idle and reduced misfires.
- Enhanced fuel economy and lower emissions.
- Reliable, manufacturer-quality ignition performance.
Our ignition lead sets are manufactured from high-grade silicone, Kevlar reinforcement, and precision terminals, ensuring maximum conductivity, flexibility, and long-term durability.
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Air Mass/Flow Sensors
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Alternator / Generator
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Batteries & Chargers
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Distributor
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Distributor Cap
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Rotor Arms / Point Sets
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Relays / Fuses
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Ignition Coil
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Ignition Lead High Performance
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Injectors
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Starter Motors
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Idle Control Valve
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Fuel Pump
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Fan / Temperature Switch
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Speed / Reference / Knock Sensors
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Wiring Harness / Cables
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Throttle Body
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Saturday: Closed
Sunday: Closed