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Crank Trigger Kits

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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.

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 lag in transmitting the crankshaft’s rotation, timing remains perfect even at extreme speeds.

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.

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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.

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MSD Flying Magnet Crank Trigger Kits 86203

MSD Flying Magnet Crank Trigger Kits 86203

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 )

Estimated Ship Date: Today

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MSD Flying Magnet Crank Trigger Kits 8620

MSD Flying Magnet Crank Trigger Kits 8620

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 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

MSD Flying Magnet Crank Trigger Kits 8636

MSD Flying Magnet Crank Trigger Kits 8636

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 ( 5 )

Estimated Ship Date: Today

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Holley EFI Crank Trigger Kits 556-174

Holley EFI Crank Trigger Kits 556-174

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 8610

MSD Flying Magnet Crank Trigger Kits 8610

MSD Flying Magnet Crank Trigger Kits 8610

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

Part Number: MSD-8610

4.56 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Holley EFI Crank Trigger Kits 556-115

Holley EFI Crank Trigger Kits 556-115

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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MSD Flying Magnet Crank Trigger Kits 8644

MSD Flying Magnet Crank Trigger Kits 8644

MSD Flying Magnet Crank Trigger Kits 8644

Crank Trigger, Flying Magnet, Ford, 429/460, 7.25" balancer, Kit

Part Number: MSD-8644

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Holley EFI Crank Trigger Kits 556-171

Holley EFI Crank Trigger Kits 556-171

Holley EFI Crank Trigger Kits 556-171

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

Part Number: HLY-556-171

Not Yet Reviewed

Estimated Ship Date: Today

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Holley EFI Crank Trigger Kits 556-170

Holley EFI Crank Trigger Kits 556-170

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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MSD Flying Magnet Crank Trigger Kits 8600

MSD Flying Magnet Crank Trigger Kits 8600

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 )

Estimated Ship Date: Today

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MSD Flying Magnet Crank Trigger Kits 8615

MSD Flying Magnet Crank Trigger Kits 8615

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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Estimated Ship Date: Today

Holley EFI Crank Trigger Kits 556-175

Holley EFI Crank Trigger Kits 556-175

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 8640

MSD Flying Magnet Crank Trigger Kits 8640

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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Estimated Ship Date: Today

Holley EFI Crank Trigger Kits 556-116

Holley EFI Crank Trigger Kits 556-116

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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Moroso Crank Trigger Ultra Series Kits 60008

Moroso Crank Trigger Ultra Series Kits 60008

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 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

MSD Flying Magnet Crank Trigger Kits 8655

MSD Flying Magnet Crank Trigger Kits 8655

MSD Flying Magnet Crank Trigger Kits 8655

Crank Trigger, Flying Magnet, Universal, for 7 in. Diameter Harmonic Balancers, Kit

Part Number: MSD-8655

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

MSD Flying Magnet Crank Trigger Kits 8650

MSD Flying Magnet Crank Trigger Kits 8650

MSD Flying Magnet Crank Trigger Kits 8650

Crank Trigger, Flying Magnet, Pontiac, 287-455, 7" balancer, Kit

Part Number: MSD-8650

Not Yet Reviewed

Estimated Ship Date: Today

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MSD Flying Magnet Crank Trigger Kits 86403

MSD Flying Magnet Crank Trigger Kits 86403

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

Estimated Ship Date: Today

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Holley EFI Crank Trigger Kits 556-172

Holley EFI Crank Trigger Kits 556-172

Holley EFI Crank Trigger Kits 556-172

Crank Triggers, Holley EFI, 6.56 in. Diameter, Aluminum, Silver, Adjustable Bracket, Black, 3-wire Pickup, 12-1X, Hall Effect, Ford, Small Block, Kit

Part Number: HLY-556-172

Not Yet Reviewed

Estimated Ship Date: Today

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Moroso Crank Trigger Ultra Series Kits 60009

Moroso Crank Trigger Ultra Series Kits 60009

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

Estimated Ship Date: Today

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Estimated Ship Date: Today

MSD Flying Magnet Crank Trigger Kits 8633

MSD Flying Magnet Crank Trigger Kits 8633

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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Estimated Ship Date: Today

Holley EFI Crank Trigger Kits 556-173

Holley EFI Crank Trigger Kits 556-173

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: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

FAST Magnet-Free Crank Trigger Kits 301180

FAST Magnet-Free Crank Trigger Kits 301180

FAST Magnet-Free Crank Trigger Kits 301180

Crank Trigger, Magnet-Free, for use with 8 in. Balancer, Chevy, Big Block, Kit

Part Number: FST-301180

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

MSD Flying Magnet Crank Trigger Kits 42306

MSD Flying Magnet Crank Trigger Kits 42306

MSD Flying Magnet Crank Trigger Kits 42306

Magnetic Crank Trigger, Aluminum, Red, Samarium Cobalt, Kawasaki, KZ 900, 1000, 1100, Kit

Part Number: MSD-42306

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

Moroso Crank Trigger Kits 60012

Moroso Crank Trigger Kits 60012

Moroso Crank Trigger Kits 60012

CRANK TRIGGER KIT, ULTRA SERIES DRIVERS SIDEBBC,

Part Number: MOR-60012

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

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Estimated Ship Date: Feb 2, 2026 if ordered today

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