Circle Track Supply, Inc. > Distibutors > Dui Performance Hei Distributor - Circle Track Supply, Inc.
4.7 (347) In stock
![](https://www.circletracksupply.com/images/product/D/Davis%20Unified%20Ignition%20GM%20Racing%20D.U.I.%20Distributors%20127212.jpg)
GM or Ford, DUI has twice the fire of a magneto, Cures top end misfire, Low amperage draw, No spark box needed, "No Resistance" rotor bushing, Racing Advance Curve, Hardened steel weights, 9,000 RPM's, Choose from red, blue, or black.
![](https://www.speednik.com/files/2020/05/limiting-engine-revs-with-an-hei-unit-from-performance-distributors-2020-05-28_16-05-36_178541.jpg)
Limiting Engine Revs In An HEI Unit With Performance Distributors
GM or Ford, DUI has twice the fire of a magneto, Cures top end misfire, Low amperage draw, No spark box needed, No Resistance rotor bushing, Racing
![](https://www.circletracksupply.com/images/product/D/Davis%20Unified%20Ignition%20GM%20Racing%20D.U.I.%20Distributors%20127212.jpg)
DUI PERFORMANCE HEI DISTRIBUTOR
![](https://content.speedwaymotors.com/CategorizationImages/UP7_L_a0b5debd-52dc-4dc7-8cc5-74758b04ad3a.jpg)
Dirt Track Ignition Modules for Circle/Oval Racing
![](https://images.holley.com/ignition_boxes_circle_track_and_road_racing_mobile_1000x379.jpg)
Circle Track and Road Racing
![](https://www.speednik.com/files/2021/12/tech-throwback-upgrading-ignitions-with-performance-distributors-2021-12-06_10-24-32_754979.jpg)
Tech Throwback: Upgrading Ignitions With Performance Distributors
![](https://www.speedwaymotors.com/_next/image?url=https%3A%2F%2Fcontent.speedwaymotors.com%2FProductImages%2F54785013_R_94d3def6-9079-4af9-af4b-9bd96ebebe61.jpg&w=3840&q=75)
Dirt Track Ignition Modules for Circle/Oval Racing
![](https://www.speednik.com/files/2021/01/performance-distributors-pro-tip-distributor-troubleshooting-2021-01-26_10-50-49_326001-1440x960.jpg)
Performance Distributors Pro Tip: Distributor Troubleshooting
![](https://www.jegs.com/images/photos/100/121/121-8727ct.jpg)
8727CT Circle Track Digital Soft-Touch HEI Rev Limiter - JEGS
![](https://www.circletracksupply.com/var/images/product/262.280/D/CTS%20HEI%20LOCK%20UP%20AND%20ADJUSTMENT%20KIT.jpg)
Circle Track Supply, Inc. > Performance Distributors - High Performance and Racing Ignition-DUI IGNITIONS - Circle Track Supply, Inc.
![](https://www.circletracksupply.com/var/images/product/262.280/D/RAM%20LIGHTWEIGHT%20BILLET%20STEEL%20FLYWHEEL-01.jpg)
Circle Track Supply, Inc. > Distibutors > Dui Performance Hei Distributor - Circle Track Supply, Inc.
Distributor, HEI, Vacuum, Mechanical Advance, Black Cap, With Power Steering, Toyota 4-Cylinder, Each
![](https://static.summitracing.com/global/images/prod/mediumlarge/dui-80420bk_eu_ml.jpg)
Davis Unified Ignition Toyota Street/Strip D.U.I. Distributors
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