Ford Small Block Crank Trigger Kit - 8640
Ford Small Block Crank Trigger Kit - 8640
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Overview:
For a long time, racers have known that one of the best things to do to an engine to improve its performance is to stabilize the ignition timing. The MSD Flying Magnet Crank Trigger system does exactly that by using four magnets embedded in an aluminum wheel. Although similar in appearance to other crank triggers, the MSD Flying Magnet design works on a different principle.
Most crank triggers have a wheel, with steel studs sticking out, bolted to the harmonic balancer. As the crankshaft turns, the studs pass by a stationary magnetic pick-up, triggering the ignition. This pick-up can be triggered by other bolts, debris or even vibrations which will cause a loss of power or engine damage. The MSD Flying Magnet Crank Trigger uses four magnets secured in the aluminum trigger wheel that pass by a stationary non-magnetic pick-up to trigger the ignition. This ""flying magnet"" design produces accurate trigger signals and the non-magnetic pick-up cannot be false triggered.
Each Flying Magnet Crank Trigger includes a two-piece mounting bracket for the non-magnetic pick-up that in most cases will work on either the passenger side or driver's side of the engine (the SB Chrysler and SB Ford brackets mount on only one side). The CNC-machined aluminum bracket securely holds the pick-up in place and is slotted to provide a wide range of timing adjustment. Spacers are included so you can mount the bracket on engines with standard motor mounts or engines with a .25"" motor plate. These systems will trigger MSD 6, 7 and 8 Series Ignitions and all MSD Timing Accessories.
Features:
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| 1975 - 1987 | Ford | E-350 Econoline | 4/8 V | |
| 1963 - 1974 | Ford | Ranch Wagon | 4/8 V | |
| 1974 - 1976 | Ford | Torino | 4/8 V | |
| 1965 - 1979 | Ford | Ranchero | 4/8 V | |
| 1965 - 1986 | Ford | LTD | 4/8 V | |
| 1975 - 1991 | Ford | E-250 Econoline | 4/8 V | |
| 1966 - 1996 | Ford | Bronco | 4/8 V | |
| 1975 - 1996 | Ford | E-150 Econoline | 4/8 V | |
| 1975 - 1983 | Ford | E-100 Econoline Club Wagon | 4/8 V | |
| 1974 - 1976 | Mercury | Montego | 4/8 V | |
| 1974 - 1996 | Ford | F-250 | 4/8 V | |
| 1975 - 1996 | Ford | E-150 Econoline Club Wagon | 4/8 V | |
| 1974 - 1983 | Ford | F-100 | 4/8 V | |
| 1964 - 1995 | Ford | Mustang | 4/8 V | |
| 1974 - 1983 | Ford | E-100 Econoline | 4/8 V | |
| 1964 - 1967 | Mercury | Cyclone | 4/8 V | |
| 1975 - 1996 | Ford | F-150 | 4/8 V | |
| 1977 - 1993 | Ford | Thunderbird | 4/8 V | |
| 1974 - 1977 | Ford | Custom 500 | 4/8 V | |
| 1963 - 1967 | Ford | Fairlane | 4/8 V | |
| 1964 - 1967 | Mercury | Comet | 4/8 V | |
| 1974 - 1987 | Ford | F-350 | 4/8 V | |
| 1967 - 1979 | Mercury | Cougar | 4/8 V | |
| 1975 - 1987 | Ford | E-250 Econoline Club Wagon | 4/8 V | |
| 1977 - 1987 | Ford | E-350 Econoline Club Wagon | 4/8 V | |
| 1980 | Lincoln | Mark VI | 4/8 V | |
| 1963 - 1967 | Ford | Galaxie | 4/8 V | |
| 1968 - 1974 | Ford | Bronco | U/K/8 V | |
| 1963 - 1991 | Ford | Country Squire | 4/8 V | |
| 1974 | Ford | E-300 Econoline | U/K/8 V | |
| 1963 | Ford | 300 | 4/8 V | |
| 1963 - 1966 | Ford | Fairlane | U/K/8 V | |
| 1964 - 1967 | Ford | Custom 500 | U/K/8 V | |
| 1964 - 1967 | Mercury | Caliente | 4/8 V | |
| 1964 - 1967 | Mercury | Villager | 4/8 V | |
| 1977 - 1979 | Ford | LTD II | 4/8 V | |
| 1975 - 1980 | Ford | Granada | 4/8 V | |
| 1987 - 1991 | Ford | LTD Crown Victoria | 4/8 V | |
| 1978 - 1981 | Mercury | Marquis | 4/8 V | |
| 1974 | Ford | E-200 Econoline | 4/8 V | |
| 1975 - 1976 | Ford | Elite | 4/8 V | |
| 1978 - 1979 | Ford | Fairmont | 4/8 V | |
| 1974 - 1976 | Ford | Gran Torino | 4/8 V | |
| 1996 - 2001 | Ford | Explorer | 4/8 V | |
| 1966 - 1967 | Mercury | Voyager | 4/8 V | |
| 1975 - 1977 | Mercury | Monarch | 4/8 V | |
| 1964 - 1968 | Ford | Falcon | 4/8 V | |
| 1974 | Ford | E-200 Econoline | U/K/8 V | |
| 1965 - 1967 | Ford | Custom | 4/8 V | |
| 1974 | Ford | E-300 Econoline | 4/8 V | |
| 1980 | Lincoln | Continental | 4/8 V | |
| 1963 - 1967 | Ford | Galaxie 500 | U/K/8 V | |
| 1975 - 1978 | Ford | Mustang II | 4/8 V | |
| 1977 | Lincoln | Versailles | 4/8 V | |
| 1974 - 1977 | Ford | Maverick | 4/8 V | |
| 1964 - 1968 | Ford | Falcon | U/K/8 V | |
| 1963 - 1974 | Ford | Country Sedan | 4/8 V | |
| 1974 | Ford | F-100 | U/K/8 V | |
| 1963 - 1974 | Ford | Galaxie 500 | 4/8 V | |
| 1978 - 1986 | Mercury | Grand Marquis | 4/8 V | |
| 1974 | Ford | Gran Torino | U/K/8 V | |
| 1974 | Ford | F-250 | U/K/8 V | |
| 1965 | Ford | Falcon Sedan Delivery | 4/8 V | |
| 1967 | Mercury | Commuter | 4/8 V | |
| 1974 | Ford | E-100 Econoline | U/K/8 V | |
| 1984 | Mercury | Capri | 4/8 V | |
| 1974 | Ford | Maverick | U/K/8 V | |
| 1968 | Mercury | Cougar | U/K/8 V | |
| 1974 | Ford | F-350 | U/K/8 V | |
| 1974 | Ford | Ranchero | U/K/8 V | |
| 1974 | Ford | Torino | U/K/8 V |
Specs:
| Brand | MSD |
|---|---|
| Color | Red |
| Diameter | 6.562"" |
| Emission Code | 4 |
| Make | Ford |
| Product Type | Crank Trigger Kit |
| Sensor Dimensions | 3/4"" x 2.25"" |
| Sensor Type | Non Magnetic |
| Trigger Type | 4X |
| Warning | California Proposition 65 |
| Warranty | Limited 1 Year Warranty |
| Wheel Width | 3/8"" |

Policies and FAQs
Return Policy
Fault reasons include but are not limited to:
- Buyer was shipped the wrong product
- Buyer was shipped a damaged product
- The product page had incorrect fitment and the part does not fit the Buyer's vehicle
Opened boxes, plastic bags, and other packaging are not considered damage (excluding single use items such as, but not limited to, liquids, software, and other components that cannot be reused/resealed).
FAQs
|Q. What is an Intermediate Brake Line?
|A. This is the line that runs from the front of the vehicle to the rear. On most vehicles it connects to a junction then you will have rear axle lines. On a few cars the intermediate lines will connect to the rear wheels. It is recommended to change the axle lines if you are replacing the intermediate lines.
|Q. What is included in a pre bent brake line kit?
|A. Our kits include all of the solid metal lines for that section of the vehicle
|Q. I need to return something - what's your return policy?
|A. We are happy to help! Please help us to help you by going to our return form and filling out the form as best as you can in order to request a return.
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Modern Day stands by our parts and is happy to accept returns within 30 days of purchase. Parts must be in new condition.
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If a part arrives damaged, or is defective, Please report it to us immediately. So we can handle it for your promptly.