fits  70-99 Big Twin (Excl. Twin Cam)

Used to install and remove the camshaft seal, without removing the cam cover. Can also be used to pull a stubborn cam cover from the crankcase.

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Home > Workshop > General Tools > Specific Tools > MCS, cam seal remover/installer kit

fits  70-99 Big Twin (Excl. Twin Cam, Excl. fuel injection); 71-99 XL Sportster (NU)

Kit includes S&S HI-4N ignition module, S&S single fire coil and black 8.5mm double silicone ferro-spiral core spark plug wires. Offers switchable multi/single spark, race/street mode, RPM limiter and a kick/electric start mode, no PC required. This HI-4N module used to be made by Crane, now by S&S. Nothing changed but the name. Same great technique, same dependable electronics. The HI-4N offers more options than the famous HI-4, with even better reliability. The HI-4N comes with switchable single/dual fire (with built-in, multi/single spark, race/street mode, RPM limiter and a kick/electric start mode). Easy initial static set-up with built-in LED timing light. The sensor housing contains fully encapsulated electronics to resist vibration, moisture and dust, and are mounted directly to the metal housing which serves as a heat-sink to prevent overheating. Easy adjustment with 4 rotary switches that offer perfect precision. Note: Compatible with 2-3 Ohm coils. It is recommended to use ignition modules & coils of the same manufacturer. Intermixing different brands may cause premature failure. Note: The ignition rotor (OEM 32402-83) and mount bolt (2611B) must be ordered separately or re-used. Rotor & bolt kit is available as 902268 (S&S) or 920402 (import). Note: Module may not fit 00-03 XL models due to the slightly smaller diameter of the ignition cone used on 00-03 Sportsters. Note: The difference between single dual fire explained: – Dual fire – This is the way the earlier, pre-Twin Cam, engines work. A single coil is used and both spark plugs fire simultaneously. This is the simplest system. The ‘wasted’ spark is sometimes said to be horsepower robbing. – Single Fire – This is the way the stock 00-up Twin Cam engines work. Two separate coils will fire the spark plugs independently and only the spark plug of the cylinder that is on compression stroke will be fired. It is said that these engines vibrate less and can improve power. The effects will become more pronounced with hotter cams and higher RPM.

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Home > Parts > Electrical > Ignition > Coils > S&S, HI-4N ignition module, coil & spark plug wire kit > S&S, HI-4N ignition module, coil & spark plug wire kit

fits  70-99 Big Twin (Excl. Twin Cam)

Chrome. Flate metal strip type. Installs on the outside of the crankcase. bolts on the front motor mount bolt. Helps prevent the regulator/rectifier plug disconnecting from the alternator stator plug.

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Home > Parts > Electrical > Charging System > Electronic Regulators & Rectifiers > Plug retainer, regulator/rectifier. Flat strip

fits  70-99 Big Twin (Excl. Twin Cam)

Used to remove material from crankcase to install larger than stock cam. Can be driven by a standard motor drill with a 1/2″ chuck.

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Home > Workshop > VTwin Tools > Engine Top End > JIMS, 70-99 cam relief tool

fits  70-99 Big Twin (Excl. Twin Cam, Excl. injection); 71-03 XL Sportster (NU)

Works with single and dual fire ignition set-ups. Features 14 advance curves from stock to extreme and an adjustable rev. limiter. VOES imput option and tachometer output. Front cylinder static timing with a L.E.D. light for easy set-up. Note: The difference between single dual fire explained: – Dual fire – This is the way the earlier, pre-Twin Cam, engines work. A single coil is used and both spark plugs fire simultaneously. This is the simplest system. The ‘wasted’ spark is sometimes said to be horsepower robbing. – Single Fire – This is the way the stock 00-up Twin Cam engines work. Two separate coils will fire the spark plugs independently and only the spark plug of the cylinder that is on compression stroke will be fired. It is said that these engines vibrate less and can improve power. The effects will become more pronounced with hotter cams and higher RPM.

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Home > Parts > Electrical > Ignition > Electronic Ignition > Accel, single fire/dual fire ignition module

fits  70-99 Big Twin (Excl. Twin Cam, Excl. injection models); 71-01 Sportster (Excl. 1200S) (NU)

For electric start models only. Fixed dual fire and selectable single/dual plug. Selectable advance & RPM limiter. With 8 advance curves and 8 RPM limits, from 6000 up to 7500 RPM, it can be adjusted to fit your specific engine. Easy selection by a rotary switch on the ignition unit. Module comes with a built-in static timing light and feature a extended temperature and low voltage operation with soft-start circuitry for easy starting.

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Home > Parts > Electrical > Ignition > Electronic Ignition > Compu-Fire, ignition module. Electronic advance, dual fire

fits  70-99 Big Twin (Excl. Twin Cam, Excl. injection models); 71-01 Sportster (Excl. 1200S) (NU)

For electric start models only. Fixed single fire and selectable single/dual plug. Selectable advance & RPM limiter. With 8 advance curves and 8 RPM limits, from 6000 up to 7500 RPM, it can be adjusted to fit your specific engine. Easy selection by a rotary switch on the ignition unit. Module comes with a built-in static timing light and feature a extended temperature and low voltage operation with soft-start circuitry for easy starting. Note: A tach adapter (MCS 538408) is required to correct tacho-output when using single fire ignition, for correct RPM representation.

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Home > Parts > Electrical > Ignition > Electronic Ignition > Compu-Fire, ignition module. Electronic advance, single fire

fits  70-99 Big Twin (Excl. Twin Cam, Excl. injection models); 71-01 Sportster (Excl. 1200S) (NU)

For electric start models only. Selectable single/dual fire and/or single/dual plug. Selectable advance & RPM limiter. With 8 advance curves and 8 RPM limits, from 6000 up to 7500 RPM, it can be adjusted to fit your specific engine. Easy selection by a rotary switch on the ignition unit. Module comes with a built-in static timing light and feature a extended temperature and low voltage operation with soft-start circuitry for easy starting.

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Home > Parts > Electrical > Ignition > Electronic Ignition > Compu-Fire, ignition module. Electronic advance

fits  70-99 Big Twin (Excl. Twin Cam, Excl. injection models); 71-01 Sportster (Excl. 1200S) (NU)

Kickstart special, for use with kick start only. Sames as 538404 but with delayed timing to TDC below 300 RPM to prevent kickback. Comes with selectable single/dual fire and/or single/dual plug. Selectable advance & RPM limiter. With 8 advance curves and 8 RPM limits, from 6000 up to 7500 RPM, it can be adjusted to fit your specific engine. Easy selection by a rotary switch on the ignition unit. All modules come with a built-in static timing light and feature a extended temperature and low voltage operation. Note: A tach adapter (MCS 538408) is required to correct tacho-output when using single fire ignition, for correct RPM representation.

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Home > Parts > Electrical > Ignition > Electronic Ignition > Compu-Fire, ignition module. Electronic advance. Kickstart

fits  70-99 Big Twin (Excl. Twin Cam, Excl. injection models); 71-01 Sportster (Excl. 1200S) (NU)

Race module, for electric start only. Offers retard max. advance and slower advance curves for turbo, supercharged or very high compression motors. Selectable single/dual fire and/or single/dual plug. Selectable advance & RPM limiter. With 8 advance curves and 8 RPM limits, from 6000 up to 7500 RPM, it can be adjusted to fit your specific engine. Easy selection by a rotary switch on the ignition unit. Module come with a built-in static timing light and feature a extended temperature and low voltage operation with soft-start circuitry for easy starting. Note: A tach adapter (MCS 538408) is required to correct tacho-output when using single fire ignition, for correct RPM representation.

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Home > Parts > Electrical > Ignition > Electronic Ignition > Compu-Fire, ignition module. Electronic advance. Race