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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.
Crank Trigger, Flying Magnet, Chevy, Big Block, 8 in. Balancer, Kit
Part Number: MSD-8620
Estimated Ship Date: Monday 4/28/2025
Estimated Ship Date: Monday 4/28/2025
Crank Trigger Kits, Flying Magnet Crank Trigger, Aluminum Wheel, Black Anodized, Chevrolet, Big Block, Kit
Part Number: MSD-86203
Estimated Ship Date: Monday 4/28/2025
Estimated Ship Date: Monday 4/28/2025
Crank Trigger, Flying Magnet, Chevy, Small Block, 7 in. balancer, Kit
Part Number: MSD-8610
Estimated Ship Date: Monday 4/28/2025
Estimated Ship Date: Monday 4/28/2025
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
Estimated Ship Date: Monday 4/28/2025
Estimated Ship Date: Monday 4/28/2025
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
Estimated Ship Date: Monday 4/28/2025
Estimated Ship Date: Monday 4/28/2025
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
Estimated Ship Date: Monday 4/28/2025
Estimated Ship Date: Monday 4/28/2025
Crank Trigger, Flying Magnet, Chrysler, Big Block, B/RB, 7.25" balancer, Kit
Part Number: MSD-8636
Estimated Ship Date: Monday 4/28/2025
Estimated Ship Date: Monday 4/28/2025
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: Monday 4/28/2025
Estimated Ship Date: Monday 4/28/2025
Crank Trigger, Flying Magnet, Ford, 289-302/351W, 6.562" or Smaller balancer, Kit
Part Number: MSD-8640
Estimated Ship Date: Monday 4/28/2025
Estimated Ship Date: Monday 4/28/2025
Crank Trigger, Flying Magnet, Chevy, Small Block, 6.25" balancer, Kit
Part Number: MSD-8600
Estimated Ship Date: Monday 4/28/2025
Estimated Ship Date: Monday 4/28/2025
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
Estimated Ship Date: Monday 4/28/2025
Estimated Ship Date: Monday 4/28/2025
Crank Trigger, Ultra Series, Chevy, Big Block, 8.00 in. Diameter Harmonic Balancer, Kit
Part Number: MOR-60008
Estimated Ship Date: Monday 4/28/2025
Estimated Ship Date: Monday 4/28/2025
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
Estimated Ship Date: Monday 4/28/2025
Estimated Ship Date: Monday 4/28/2025
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
Estimated Ship Date: Monday 4/28/2025
Estimated Ship Date: Monday 4/28/2025
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 15, 2025 if ordered today
Estimated Ship Date: May 15, 2025 if ordered today
Crank Trigger, Flying Magnet, Chevrolet, LS Gen III/IV, 8 in. Balancer, Kit
Part Number: MSD-8623-MSD
Not Yet Reviewed
Estimated Ship Date: Monday 4/28/2025
Estimated Ship Date: Monday 4/28/2025
Crank Trigger, Ultra Series, Chevrolet, Small Block, 7.00 in. Diameter Harmonic Balancer, Kit
Part Number: MOR-60009
Not Yet Reviewed
Estimated Ship Date: Monday 4/28/2025
Estimated Ship Date: Monday 4/28/2025
Crank Trigger Kits, 8 in. Wheel, Red, Chevrolet, Big Block, Kit
Part Number: MSD-86201
Not Yet Reviewed
Estimated Ship Date: Monday 4/28/2025
Estimated Ship Date: Monday 4/28/2025
Crank Trigger, Flying Magnet, Hall-Effect, Small Block, Ford, Kit
Part Number: MSD-86401
Not Yet Reviewed
Estimated Ship Date: Monday 4/28/2025
Estimated Ship Date: Monday 4/28/2025
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: Monday 4/28/2025
Estimated Ship Date: Monday 4/28/2025
Crank Trigger, Flying Magnet, Chrysler, 273-360, Small Block, 7.25" balancer, Kit
Part Number: MSD-8633
Estimated Ship Date: Monday 4/28/2025
Estimated Ship Date: Monday 4/28/2025
Crank Trigger Kits, 7.25 in. Wheel, Red, Chevrolet, Small Block LS, Kit
Part Number: MSD-8619
Not Yet Reviewed
Estimated Ship Date: Monday 4/28/2025
Estimated Ship Date: Monday 4/28/2025
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: Monday 4/28/2025
Estimated Ship Date: Monday 4/28/2025
Crank Trigger, Flying Magnet, Chevy, Small Block, 8" balancer, Kit
Part Number: MSD-8615
Estimated Ship Date: Monday 4/28/2025
Estimated Ship Date: Monday 4/28/2025
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
Estimated Ship Date: May 13, 2025 if ordered today
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