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Ships within 48 hours · Estimated delivery Jul 15 - Jul 20
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Description
Holley Sniper EFI HyperSpark CD Ignition Boxes 556-151Sniper Hyperspark EFI Ignition Do you need to upgrade your ignition system due to a recent Sniper EFI installation, but have no idea which option is best? Introducing HyperSpark Ignition, from Sniper EFI. The complete system consists of a CD Ignition Box, Billet distributor with Hall effect crank signal sensor, an ignition coil, and complete wiring harness ready to plug and play with your Sniper EFI System Features: Designed to work with Sniper EFI
Sniper Hyperspark EFI Ignition
Do you need to upgrade your ignition system due to a recent Sniper EFI installation, but have no idea which option is best? Introducing HyperSpark Ignition, from Sniper EFI. The complete system consists of a CD Ignition Box, Billet distributor with Hall effect crank signal sensor, an ignition coil, and complete wiring harness ready to plug and play with your Sniper EFI System
Features:
- Designed to work with Sniper EFI – Minimal wiring required.
- 135mJ of spark energy when used with the HyperSpark Ignition coil, ensures complete combustion
- HyperSpark CD Ignition box is seal and powder coated to be installed in the harshest of locations.
- External LED on Hyperspark CD Ignition box helps verify 12v, cranking RPM, and low battery voltage.
- Very low key off current (<150uA), so you can rest easy that your battery won’t drain during storage periods.
Application
- Universal
Specs
| Brand | Holley Sniper EFI |
|---|---|
| Emission Code | 4 |
| Product Type | Ignition Boxes |
| Part Number | 556-151 |
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 2015 reviews
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Product Reviews
★★★★★ 5
Good quality
Color: Mesh Strap watch balck blue
Beautiful watch,
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026
★★★★★ 5
Handsome watch!
Color: Retro Brown band & Black bezel & Blue dial
My 13 year old grandson wanted an “old fashioned” watch so I gave this one to him. He is obsessed with it and wears it every day.
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Reviewed in the United States on May 7, 2026
★★★★★ 1
Don't Waste Your Money
Color: Retro Brown band & Gold bezel & White dial
This watch is a complete disappointment. Right out from the box, I adjusted the time per the instruction manual. After finshing adjusting the watch, I pushed the crown in (two clicks). The second hand started movement after almost 10 seconds. From then on, the second hand was stopping and going by itself. Within less than anhour, the watch was behind almost 25 seconds. It is a piece of junk. I would not advise anyone to buy this watch.
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Reviewed in the United States on February 13, 2026
★★★★★ 4
Rough dial, pretty watch
Color: Mesh Strap watch balck
Great looking watch, the dial is rough on the skin, it should be refined some to not have sharp edges.
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Reviewed in the United States on June 4, 2026
★★★★★ 5
Great Watch for a Great Price
Color: Dark Brown band & Rose Gold bezel & Navy Blue dial
⌚ “Simple, clean, and gets compliments every time.” ⌚
This Watch has easily become my go-to watch.
What I like most is how clean the design is. It’s not flashy, but it stands out in a classy way. I usually pair it with brown shoes and a belt, and it pulls the whole look together perfectly.
Another big plus—it doesn’t feel heavy on the wrist. You can wear it all day and forget it’s even there, which is exactly what you want in a daily watch.
And the compliments? They come consistently. It’s one of those pieces people notice without you trying too hard.
✔️ Clean, stylish design
✔️ Lightweight and comfortable
✔️ Pairs perfectly with dress or casual outfits
✔️ Gets a lot of compliments
If you’re looking for an affordable watch that looks sharp and feels great, this is a solid choice.
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Reviewed in the United States on April 10, 2026