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Ships within 48 hours · Estimated delivery Jul 18 - Jul 23
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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.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
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Product Reviews
★★★★★ 5
Great for Side or Back Sleepers
Color: White, Size: Queen
This is a great pillow. I love the adjustable feature because I was able to get the exact height which is comfortable for me. I am a side and back sleeper, and I found what I needed in this pillow.
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Reviewed in the United States on May 29, 2026
★★★★★ 5
Versatile settings
Color: White, Size: Queen
Excellent pillow with multiple set ups!
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Reviewed in the United States on June 4, 2026
★★★★★ 5
supportive
Color: White, Size: King
wife loves her new pillow
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Reviewed in the United States on June 3, 2026
★★★★★ 5
Value and quality
Color: White, Size: King
Very nice pillow. Great quality and Very fluffy.
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Comfortin
Color: White, Size: Queen
Levels of comfort helps sore shoulder
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Reviewed in the United States on May 27, 2026