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Description
EFI Crank Trigger Kit - 556-116Overview: Holley's EFI Crank Trigger Kit is engineered to provide an accurate crank speed & position signal to Holley EFI systems in the most demanding, high horsepower, racing applications. Crank position is measured every 10 degrees as opposed to every 45 degrees for a standard 4 Magnet, MSD "style" Crank trigger. It is designed for use on early model small block Chevy applications using a standard ATI or Fluidamper "style" balancer up to 7 1 4" in
Overview:
Holley's EFI Crank Trigger Kit is engineered to provide an accurate crank speed & position signal to Holley EFI systems in the most-demanding, high horsepower, racing applications. Crank position is measured every 10 degrees as opposed to every 45 degrees for a standard 4-Magnet, MSD "style" Crank trigger. It is designed for use on early model small block Chevy applications using a standard ATI or Fluidamper "style" balancer up to 7-1/4" in diameter.
Features:
- 8” diameter, 1/4” thick, billet steel, 36-1 tooth, crank wheel with Black Zinc Oxide finish for superior corrosion resistance & striking good looks.
- Crank wheel centers off of the balancer’s hub, eliminating the need for a centering ring
- All billet, 6061-T6 aluminum sensor mounting brackets with “bright-dipped” black anodized finish & Laser etched Holley EFI logo
- Custom 3-wire, ferrous-target, Hall-effect sensor with M12X1mm threads for finer gap adjustment
- All Grade 8 & Mil. Spec mounting hardware
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| 1983 - 1987 | Excalibur | Phaeton | 305/5 V8 | |
| 1986 - 1989 | Excalibur | Phaeton | 350/5.7 V8 | |
| 1977 - 1981 | Buick | Century | 305/5 V8 | |
| 1980 - 1981 | Buick | Century | 265/4.3 V8 | |
| 1981 | Buick | Century | 267/4.4 V8 | |
| 1978 | Buick | LeSabre | 305/5 V8 | |
| 1982 | Buick | LeSabre | 267/4.4 V8 | |
| 1977 - 1987 | Buick | Regal | 305/5 V8 | |
| 1980 - 1981 | Buick | Regal | 265/4.3 V8 | |
| 1981 - 1982 | Buick | Regal | 267/4.4 V8 | |
| 1975 - 1986 | Chevrolet | C10 | 350/5.7 V8 | |
| 1977 - 1986 | Chevrolet | C10 | 305/5 V8 | |
| 1969 - 1986 | Chevrolet | C10 Suburban | 350/5.7 V8 | |
| 1969 - 1974 | Chevrolet | C20 Pickup | 350/5.7 V8 | |
| 1968 - 1973 | Chevrolet | C20 Pickup | 307/5 V8 | |
| 1968 - 1973 | Chevrolet | C20 Suburban | 307/5 V8 | |
| 1967 - 1969 | Chevrolet | C20 Suburban | 327/5.3 V8 | |
| 1969 - 1986 | Chevrolet | C20 Suburban | 350/5.7 V8 | |
| 1960 - 1967 | Chevrolet | C30 Pickup | 283/4.6 V8 | |
| 1966 - 1969 | Chevrolet | C30 Pickup | 327/5.3 V8 | |
| 1968 | Chevrolet | C30 Pickup | 327/5.4 V8 | |
| 1968 - 1973 | Chevrolet | C30 Pickup | 307/5 V8 | |
| 1969 - 1974 | Chevrolet | C30 Pickup | 350/5.7 V8 | |
| 1967 - 1981 | Chevrolet | Camaro | 350/5.7 V8 | |
| 1967 - 1969 | Chevrolet | Camaro | 302/4.9 V8 | |
| 1967 - 1969 | Chevrolet | Camaro | 327/5.3 V8 | |
| 1968 - 1969 | Chevrolet | Camaro | 327/5.4 V8 | |
| 1969 - 1973 | Chevrolet | Camaro | 307/5 V8 | |
| 1966 - 1967 | Chevrolet | Caprice | 283/4.6 V8 | |
| 1966 - 1969 | Chevrolet | Caprice | 327/5.3 V8 | |
| 1968 - 1969 | Chevrolet | Caprice | 327/5.4 V8 | |
| 1968 - 1973 | Chevrolet | Caprice | 307/5 V8 | |
| 1969 - 1986 | Chevrolet | Caprice | 350/5.7 V8 | |
| 1991 | Buick | Roadmaster | 305/5 V8 | |
| 1991 | Buick | Commercial Chassis | 305/5 V8 | |
| 1992 - 1993 | Buick | Commercial Chassis | 350/5.7 V8 | |
| 1977 - 1979 | Buick | Skylark | 305/5 V8 | |
| 1970 - 1975 | Chevrolet | Bel Air | 400/6.6 V8 | |
| 1969 - 1975 | Chevrolet | Bel Air | 350/5.7 V8 | |
| 1975 - 1979 | Chevrolet | K5 Blazer | 400/6.6 V8 | |
| 1975 - 1986 | Chevrolet | K5 Blazer | 350/5.7 V8 | |
| 1977 - 1986 | Chevrolet | K5 Blazer | 305/5 V8 | |
| 1968 - 1973 | Chevrolet | K10 Pickup | 307/5 V8 | |
| 1969 - 1974 | Chevrolet | K10 Pickup | 350/5.7 V8 | |
| 1968 | Chevrolet | K10 Suburban | 327/5.4 V8 | |
| 1968 - 1973 | Chevrolet | K10 Suburban | 307/5 V8 | |
| 1967 - 1969 | Chevrolet | K10 Suburban | 327/5.3 V8 | |
| 1969 - 1986 | Chevrolet | K10 Suburban | 350/5.7 V8 | |
| 1960 - 1967 | Chevrolet | K20 Pickup | 283/4.6 V8 | |
| 1966 - 1969 | Chevrolet | K20 Pickup | 327/5.3 V8 | |
| 1968 | Chevrolet | K20 Pickup | 327/5.4 V8 | |
| 1968 - 1973 | Chevrolet | K20 Pickup | 307/5 V8 | |
| 1969 - 1974 | Chevrolet | K20 Pickup | 350/5.7 V8 | |
| 1969 - 1973 | Chevrolet | Nova | 307/5 V8 | |
| 1969 - 1979 | Chevrolet | Nova | 350/5.7 V8 | |
| 1955 - 1957 | Chevrolet | One-Fifty Series | 265/4.3 V8 | |
| 1957 | Chevrolet | One-Fifty Series | 283/4.6 V8 | |
| 1961 - 1962 | Chevrolet | P10 Series | 283/4.6 V8 | |
| 1973 | Chevrolet | P10 Van | 350/5.7 V8 | |
| 1973 | Chevrolet | P10 Van | 307/5 V8 | |
| 1961 - 1962 | Chevrolet | P20 Series | 283/4.6 V8 | |
| 1968 - 1973 | Chevrolet | P20 Van | 307/5 V8 | |
| 1970 - 1974 | Chevrolet | P20 Van | 350/5.7 V8 | |
| 1961 - 1962 | Chevrolet | P30 Series | 283/4.6 V8 | |
| 1968 - 1973 | Chevrolet | P30 Van | 307/5 V8 | |
| 1970 - 1974 | Chevrolet | P30 Van | 350/5.7 V8 | |
| 1960 - 1966 | Chevrolet | Suburban | 283/4.6 V8 | |
| 1966 | Chevrolet | Suburban | 327/5.3 V8 | |
| 1969 - 1972 | Chevrolet | Townsman | 350/5.7 V8 | |
| 1969 - 1972 | Chevrolet | Townsman | 307/5 V8 | |
| 1969 | Chevrolet | Townsman | 327/5.3 V8 | |
| 1992 - 1993 | Buick | Roadmaster | 350/5.7 V8 | |
| 1970 - 1974 | Chevrolet | G10 Van | 350/5.7 V8 | |
| 1968 - 1973 | Chevrolet | G10 Van | 307/5 V8 | |
| 1967 | Chevrolet | G20 Van | 283/4.6 V8 | |
| 1968 - 1973 | Chevrolet | G20 Van | 307/5 V8 | |
| 1970 - 1974 | Chevrolet | G20 Van | 350/5.7 V8 | |
| 1970 - 1974 | Chevrolet | G30 Van | 350/5.7 V8 | |
| 1958 - 1967 | Chevrolet | Impala | 283/4.6 V8 | |
| 1962 - 1969 | Chevrolet | Impala | 327/5.3 V8 | |
| 1964 - 1969 | Chevrolet | Impala | 327/5.4 V8 | |
| 1968 - 1973 | Chevrolet | Impala | 307/5 V8 | |
| 1969 - 1985 | Chevrolet | Impala | 350/5.7 V8 | |
| 1972 - 1974 | Pontiac | Firebi |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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4.4 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 5
Adorable book, sweet illustrations, a great introduction to service dogs
Format: Hardcover
Wonderful tale (no pun intended) about service dogs and in particular highlighting Canine Companions. Canine Companions for Independence is an incredible non profit that has been providing service dogs for many years. If you are looking for a sweet book for anyone this is it. We plan on giving it to many people this holiday season. And if you are looking for a good non profit to donate to this is one to consider. Visit their website and check them out!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 28, 2025
★★★★★ 5
Great story!
Format: Hardcover
This is a very sweet story, and great for kids to know it's okay to be different.
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Reviewed in the United States on January 6, 2026
★★★★★ 5
Great Adventure
Format: Hardcover
Excellent read fir all ages
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Reviewed in the United States on January 11, 2026
★★★★★ 5
Perfect Christmas gift
Format: Hardcover
Christmas Gift for my grandsons to teach them about what service dogs do for people who are physically, mentally or emotionally challenged
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Reviewed in the United States on December 9, 2025
★★★★★ 4
Informative and fun book
Format: Hardcover
The story itself is very informative and playful in its approach to helping the reader understand the process of selecting and training service dogs. The star that was knocked off is not reflective of the product, but the shipping process or the packaging department which delivered another book with a ripped dust jacket. In reality the intended recipient will take that off anyway, so I am not returning it. It seems wasteful. However, if this gift was intended for anyone other than a family member, I would have. Amazon needs to train its packaging departments are better. But I suppose as long as we all keep buying, they will not.
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Reviewed in the United States on April 2, 2026