Crank Trigger Kits

For dragsters and race cars running at over 7,000 rpm, a crank trigger system produces rock-solid spark timing.

A traditional distributor is fine for a street vehicle’s...

For dragsters and race cars running at over 7,000 rpm, a crank trigger system produces rock-solid spark timing.

A traditional distributor is fine for a street vehicle’s ignition, but high compression, forced induction, and big revs can play havoc with your timing. Any slack in the timing chain or lash in any of the gears can cause misfires or false triggers, and that can cost you a race.

A crank trigger features a wheel that attaches directly to the front of the harmonic balancer, and a sensor that reads the position of that wheel as it spins (the type of sensor varies by manufacturer). Since there’s no mechanical...

For dragsters and race cars running at over 7,000 rpm, a crank trigger system produces rock-solid spark timing.

Timing adjustment can be made by moving the sensor; any centrifugal advance from the distributor is locked out. You can retain the distributor to drive you oil pump, or convert to a distributorless system.

Top Brands

Summit Racing Equipment is your high performance superstore, with crank trigger ignition timing systems for a wide variety of engines. Shop for yours from brands like MSD, FAST, Holley, Chevrolet Performance, and Moroso.

Individual Parts

Part Groups

Results 1 - 25 of 60

MSD Flying Magnet Crank Trigger Kits 8620

Crank Trigger, Flying Magnet, Chevy, Big Block, 8 in. Balancer, Kit

Part Number: MSD-8620

4.93 out of 5 stars ( 14 )

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MSD Flying Magnet Crank Trigger Kits 86203

Crank Trigger Kits, Flying Magnet Crank Trigger, Aluminum Wheel, Black Anodized, Chevrolet, Big Block, Kit

Part Number: MSD-86203

4.0 out of 5 stars ( 2 )

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MSD Flying Magnet Crank Trigger Kits 8610

Crank Trigger, Flying Magnet, Chevy, Small Block, 7 in. balancer, Kit

Part Number: MSD-8610

4.5 out of 5 stars ( 8 )

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MSD Flying Magnet Crank Trigger Kits 86103

Crank Trigger Kits, Flying Magnet Crank Trigger, Pickup, Black Anodized Bracket, Chevrolet, Small Block, 7.000 in. Harmonic Damper Diameter, Kit

Part Number: MSD-86103

5.0 out of 5 stars ( 2 )

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Holley EFI Crank Trigger Kits 556-115

Crank Triggers, Holley EFI, Billet Steel, 7.25 in. Diameter, 1/4 in. Thick, 36-1 Tooth, Black, with Bracket, 3-wire Pickup, Ford, 4.7-5.8L, Kit

Part Number: HLY-556-115

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Holley EFI Crank Trigger Kits 556-174

Crank Triggers, 12-1X LS, Hall Effect, 8 in. Diameter, Aluminum, Silver, Adjustable Bracket, Black, 3-wire Pickup, Gen III, IV, LS, Kit

Part Number: HLY-556-174

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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MSD Flying Magnet Crank Trigger Kits 8636

Crank Trigger, Flying Magnet, Chrysler, Big Block, B/RB, 7.25" balancer, Kit

Part Number: MSD-8636

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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MSD Flying Magnet Crank Trigger Kits 86403

Crank Trigger Kits, Flying Magnet Crank Trigger, Crank Trigger Wheel, Pickup, Black Anodized Billet Aluminum Bracket, Ford, Small Block Windsor, Kit

Part Number: MSD-86403

Not Yet Reviewed

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MSD Flying Magnet Crank Trigger Kits 8640

Crank Trigger, Flying Magnet, Ford, 289-302/351W, 6.562" or Smaller balancer, Kit

Part Number: MSD-8640

4.56 out of 5 stars ( 9 )

Estimated Ship Date: Today

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MSD Flying Magnet Crank Trigger Kits 8600

Crank Trigger, Flying Magnet, Chevy, Small Block, 6.25" balancer, Kit

Part Number: MSD-8600

4.5 out of 5 stars ( 2 )

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MSD Flying Magnet Crank Trigger Kits 86003

Crank Trigger Kits, Flying Magnet Crank Trigger, Pickup, Black Anodized Bracket, Chevrolet, Small Block, 6.250 in. Harmonic Damper Diameter, Kit

Part Number: MSD-86003

Not Yet Reviewed

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Moroso Crank Trigger Ultra Series Kits 60008

Crank Trigger, Ultra Series, Chevy, Big Block, 8.00 in. Diameter Harmonic Balancer, Kit

Part Number: MOR-60008

4.0 out of 5 stars ( 4 )

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Holley EFI Crank Trigger Kits 556-170

Crank Triggers, Holley EFI, 8 in. Diameter, Aluminum, Silver, Adjustable Bracket, Black, 3-wire Pickup, M12 x 1.0mm Thread, Chevy, 6.5-7.4L, Kit

Part Number: HLY-556-170

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Holley EFI Crank Trigger Kits 556-116

Crank Triggers, Holley EFI, Billet Steel, 8 in. Diameter, 1/4 in. Thick, 36-1 Tooth, Black, with Bracket, 3-wire Pickup, Chevy, 4.3-6.6L, Kit

Part Number: HLY-556-116

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Holley EFI Crank Trigger Kits 556-113

Crank Triggers, Holley EFI, Billet Steel, 8 in. Diameter, 1/4 in. Thick, 36-1 Tooth, Black Finish, with Bracket, 3-wire Pickup, Chevy, 6.6-7.4L, Kit

Part Number: HLY-556-113

Not Yet Reviewed

Estimated Ship Date: May 13, 2025 if ordered today

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Estimated Ship Date: May 13, 2025 if ordered today

MSD Flying Magnet Crank Trigger Kits 8623-MSD

Crank Trigger, Flying Magnet, Chevrolet, LS Gen III/IV, 8 in. Balancer, Kit

Part Number: MSD-8623-MSD

Not Yet Reviewed

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Moroso Crank Trigger Ultra Series Kits 60009

Crank Trigger, Ultra Series, Chevrolet, Small Block, 7.00 in. Diameter Harmonic Balancer, Kit

Part Number: MOR-60009

Not Yet Reviewed

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MSD Flying Magnet Crank Trigger Kits 86201

Crank Trigger Kits, 8 in. Wheel, Red, Chevrolet, Big Block, Kit

Part Number: MSD-86201

Not Yet Reviewed

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MSD Flying Magnet Crank Trigger Kits 86401

Crank Trigger, Flying Magnet, Hall-Effect, Small Block, Ford, Kit

Part Number: MSD-86401

Not Yet Reviewed

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Holley EFI Crank Trigger Kits 556-175

Crank Triggers, Holley EFI, 12-1X LS, Hall Effect, 7.25 in. Diameter, Aluminum, Silver, Adjustable Bracket, 3-wire Pickup, Gen III, IV, SBC, Kit

Part Number: HLY-556-175

Not Yet Reviewed

Estimated Ship Date: Today

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MSD Flying Magnet Crank Trigger Kits 8633

Crank Trigger, Flying Magnet, Chrysler, 273-360, Small Block, 7.25" balancer, Kit

Part Number: MSD-8633

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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MSD Flying Magnet Crank Trigger Kits 8619

Crank Trigger Kits, 7.25 in. Wheel, Red, Chevrolet, Small Block LS, Kit

Part Number: MSD-8619

Not Yet Reviewed

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MSD Flying Magnet Crank Trigger Kits 86153

Crank Trigger Kits, Flying Magnet Crank Trigger, Pickup, Black Anodized Bracket, Chevrolet, Small Block, 8.000 in. Harmonic Damper Diameter, Kit

Part Number: MSD-86153

Not Yet Reviewed

Estimated Ship Date: Today

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MSD Flying Magnet Crank Trigger Kits 8615

Crank Trigger, Flying Magnet, Chevy, Small Block, 8" balancer, Kit

Part Number: MSD-8615

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Holley EFI Crank Trigger Kits 556-173

Crank Triggers, Holley EFI, 7 in. Diameter, Aluminum, Silver, Adjustable Bracket, Black, 3-wire Pickup, 12-1X, Hall Effect, Ford, Coyote Block, Kit

Part Number: HLY-556-173

Not Yet Reviewed

Estimated Ship Date: May 13, 2025 if ordered today

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Estimated Ship Date: May 13, 2025 if ordered today

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