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Ships within 48 hours · Estimated delivery Aug 1 - Aug 6
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For Your Every Summer RSVP, with Code: SUMMER15
Description
7-Inch 12-1X Crank Trigger Kit, SBC, Hall Effect 556-171For Small Block Chevrolet Features: Most accurate way to trigger your electronic fuel injection (EFI), can be installed as 12 1 or 12x1 Powerful magnets embedded in a 3 8 inch thick billet 6061 T6 aluminum trigger wheel1 3 wire Hall Effect Sensor that is not easily susceptible to EMI RFI Interference1 Engine specific kits include a direct bolt on billet aluminum pick up bracket1 Rigid mounting that will not flex and cause timing fluctuation1 Easy to
For Small Block Chevrolet
Features:
- Most accurate way to trigger your electronic fuel injection (EFI), can be installed as 12-1 or 12x1
- Powerful magnets embedded in a 3/8-inch thick billet 6061-T6 aluminum trigger wheel1
- 3-wire Hall-Effect Sensor that is not easily susceptible to EMI/RFI Interference1
- Engine specific kits include a direct bolt-on billet aluminum pick up bracket1
- Rigid mounting that will not flex and cause timing fluctuation1
- Easy to install much like traditional MSD Crank Trigger Kits 1
- Included installation instructions cover mechanical setup and provide step-by-step Holley EFI Software Setup1
Specs:
| Brand | Holley EFI |
|---|---|
| Category Filter | Fuel Injection - EFI |
| Clearance Category | Fuel Injection - EFI |
| Color | Silver |
| Diameter | 7-inch |
| Emission Code | 4 |
| Make | Small Block Chevrolet |
| Product Type | Crank Trigger Kit |
| Sensor Type | Hall Effect |
| Warning | California Proposition 65 |
Application:
| Year | Make | Model | Submodel |
|---|---|---|---|
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
4.7 ★★★★★
Based on 10 reviews
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Product Reviews
★★★★★ 5
Very stylish & tailored fit
Size: Small, Color: Pink
My husband purchased this suit as a “flower-bro” at my sister’s wedding. Unfortunately the color theme for the wedding was changed so he had to change it out which I was sad about because it fit him very well and looked great! The quality was good and the fit looked tailored.
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Reviewed in the United States on January 7, 2026
★★★★★ 5
Loved
Size: Small, Color: Sliver, Size: Small, Color: Sliver
Loved it. Fit well, sizing was good, however think I could have gotten my son the next size down. We ended up buy a smaller size pants.
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Reviewed in the United States on April 19, 2026
★★★★★ 5
Beat tuxedo ever !!!
Size: Large, Color: Royal Blue
So beautiful. The texture, design, and quality.
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Reviewed in the United States on May 31, 2026
★★★★★ 5
Suit.
Size: Large, Color: Sliver
Great well fitting suit.
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Reviewed in the United States on March 19, 2026
★★★★★ 1
Bad service
Size: XX-Large, Color: Green
Delivered the wrong size returned the suit then they delivered the pants minus the vest and jacket
Not sure went wrong but was definitely not pleased 10 thumbs down 👎🏾
The tux is a very nice tux and color was on point trued it on was very comfortable feels cool enough to we’re in the summer great quality just sent the wrong size I also sent a email never got a response thanks for messing up my plans
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Reviewed in the United States on March 4, 2026