Rotor Arms / Point Sets

Contact breaker points, for MARELLI distributors.



Fits:
Porsche 911 1965 - 1973

Click 'Zoom in' for large parts diagram.
Diagram ref no 8

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91160296000

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Contact beaker point for Ignition Distributor no: 91160202103, 91160202703, 91160203105 and 91160203106.



Fits:
Porsche 911 1972-77

Click 'Zoom in' for large parts diagram.
Diagram ref no 8

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91160293600

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Point contact breaker.



Fits:
Porsche 911 1965-73
Porsche 912E

Point contact breaker.



Fits:
Porsche 911 1965-73
Porsche 912E

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61660222602

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Point set.



Fits:
Porsche 911 1972-73

Click 'Zoom in' for large parts diagram.
Diagram ref no 18.

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90160296004

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Point set.



Fits:
Porsche 911 1972-73

Click 'Zoom in' for large parts diagram.
Diagram ref no 18.

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90160296004

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Rotor arm (6500 RPM).



Fits:
Porsche 911T/S SPM 1969
Porsche 911T 1970-73
Porsche 911T 1974-77 *For use with distributors 9160202103 / 91160202107

The "rotor" head is attached to the top of the distributor shaft which is driven by a gear on the engine's camshaft and thus synchronized to it. This rotor is pressed against a carbon brush on the centre terminal of the distributor cap which connects to the ignition coil either through the top and wired directly to the coil in HEI systems, or via the centre terminal in points ignition systems and remotely connected to the coil.

The rotor is constructed such that the centre tab is electrically connected to its outer edge so that voltage coming in to the centre post travels through the carbon point to the outer edge of the rotor. As the camshaft rotates, the rotor spins and its outer edge passes each of the internal plug terminals to fire each spark plug.

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91160292801

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Rotor Arm for Marelli Distributor

Fits:
Porsche 911 2.0L/2.2L 1965-73 (NOT 2.4L)

The "rotor" head is attached to the top of the distributor shaft which is driven by a gear on the engine's camshaft and thus synchronized to it. This rotor is pressed against a carbon brush on the center terminal of the distributor cap which connects to the ignition coil either through the top and wired directly to the coil in HEI systems, or via the center terminal in points ignition systems and remotely connected to the coil.

The rotor is constructed such that the center tab is electrically connected to its outer edge so that voltage coming in to the center post travels through the carbon point to the outer edge of the rotor. As the camshaft rotates, the rotor spins and its outer edge passes each of the internal plug terminals to fire each spark plug.

Please note that Porsche has discontinued their official product.

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90160292801

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Rotor arm (7100 rpm)



Fits:
Porsche 911 E 1965-73

The "rotor" head is attached to the top of the distributor shaft which is driven by a gear on the engine's camshaft and thus synchronized to it. This rotor is pressed against a carbon brush on the center terminal of the distributor cap which connects to the ignition coil either through the top and wired directly to the coil in HEI systems, or via the center terminal in points ignition systems and remotely connected to the coil.

The rotor is constructed such that the center tab is electrically connected to its outer edge so that voltage coming in to the center post travels through the carbon point to the outer edge of the rotor. As the camshaft rotates, the rotor spins and its outer edge passes each of the internal plug terminals to fire each spark plug.

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91160292502

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Rotor arm (7300 rpm)



Fits:
Porsche 911 S 1965-77

The "rotor" head is attached to the top of the distributor shaft which is driven by a gear on the engine's camshaft and thus synchronized to it. This rotor is pressed against a carbon brush on the center terminal of the distributor cap which connects to the ignition coil either through the top and wired directly to the coil in HEI systems, or via the center terminal in points ignition systems and remotely connected to the coil.

The rotor is constructed such that the center tab is electrically connected to its outer edge so that voltage coming in to the center post travels through the carbon point to the outer edge of the rotor. As the camshaft rotates, the rotor spins and its outer edge passes each of the internal plug terminals to fire each spark plug.

Related reference numbers
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91160292900

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Rotor arm (7300 rpm)



Fits:
Porsche 911 S 1965-77

The "rotor" head is attached to the top of the distributor shaft which is driven by a gear on the engine's camshaft and thus synchronized to it. This rotor is pressed against a carbon brush on the center terminal of the distributor cap which connects to the ignition coil either through the top and wired directly to the coil in HEI systems, or via the centre terminal in points ignition systems and remotely connected to the coil.

The rotor is constructed such that the centre tab is electrically connected to its outer edge so that voltage coming in to the centre post travels through the carbon point to the outer edge of the rotor. As the camshaft rotates, the rotor spins and its outer edge passes each of the internal plug terminals to fire each spark plug.

Related reference numbers
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91160292900

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