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Description
Holley Sniper EFI Hyperspark Distributor for AMC 290-401 565-308Overview: 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. Hyperspark CD Ignition Box (556 152) and Ignition Coil (556 151)
Overview:
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.
Hyperspark CD Ignition Box (556-152) and Ignition Coil (556-151) sold separately.
Features:
- Hall Effect crank trigger sensor housing provides a noise-free RPM signal to the Sniper ECU
- Billet distributor housing provides corrosion resistance and stylish looks!
- Patented Clear Installation cap eliminates any confusion while installing the distributor.
- Easiest plug and play way to add timing control to a Sniper EFI Installation.
- Distributor shutter wheel is pinned and welded to the shaft, for decades of reliable accuracy.
- Includes Wire Retainer for a clean installation.
- Comes with Cast Gear Installed - contact camshaft manufacturer for recommended gear material.
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| 1971 - 1977 | American Motors | Matador | 304/5L V8 | |
| 1978 - 1979 | American Motors | Pacer | 304/5L V8 | |
| 1971 - 1972 | Jeep | J-2600 | 304/5L V8 | |
| 1965 - 1966 | American Motors | Classic | 327/5.3L V8 | |
| 1965 - 1970 | Jeep | J-2700 | 327/5.3L V8 | |
| 1965 - 1970 | Jeep | J-3600 | 327/5.3L V8 | |
| 1960 - 1964 | American Motors | Ambassador | 327/5.3L V8 | |
| 1965 - 1970 | Jeep | J-3700 | 327/5.3L V8 | |
| 1968 - 1969 | American Motors | Ambassador | 343/5.6L V8 | |
| 1974 - 1978 | Jeep | J10 | 401/6.6L V8 | |
| 1974 - 1988 | Jeep | J20 | 360/5.9L V8 | |
| 1957 | Nash | Ambassador Custom | 327/5.3L V8 | |
| 1974 - 1988 | Jeep | J10 | 360/5.9L V8 | |
| 1970 | American Motors | Rebel | 304/5L V8 | |
| 1971 - 1978 | American Motors | Matador | 360/5.9L V8 | |
| 1958 - 1963 | American Motors | Ambassador | 327/5.4L V8 | |
| 1966 | American Motors | Classic | 290/4.7L V8 | |
| 1974 | Bricklin | SV-1 | 360/5.9L V8 | |
| 1970 - 1974 | American Motors | Ambassador | 360/5.9L V8 | |
| 1970 - 1977 | American Motors | Hornet | 304/5L V8 | |
| 1970 - 1974 | American Motors | Javelin | 304/5L V8 | |
| 1967 - 1969 | American Motors | Rebel | 343/5.6L V8 | |
| 1971 - 1974 | American Motors | Hornet | 360/5.9L V8 | |
| 1984 - 1991 | Jeep | Grand Wagoneer | 360/5.9L V8 | |
| 1971 - 1972 | Jeep | J-4700 | 304/5L V8 | |
| 1971 - 1973 | Jeep | J-4500 | 360/5.9L V8 | |
| 1968 - 1969 | American Motors | AMX | 343/5.6L V8 | |
| 1974 - 1983 | Jeep | Cherokee | 360/5.9L V8 | |
| 1971 - 1981 | Jeep | CJ5 | 304/5L V8 | |
| 1974 - 1978 | Jeep | Wagoneer | 401/6.6L V8 | |
| 1968 - 1969 | American Motors | AMX | 290/4.8L V8 | |
| 1968 - 1970 | American Motors | Ambassador | 390/6.4L V8 | |
| 1972 - 1975 | American Motors | Gremlin | 304/5L V8 | |
| 1968 - 1970 | American Motors | AMX | 390/6.4L V8 | |
| 1965 - 1969 | Jeep | Gladiator | 327/5.3L V8 | |
| 1972 - 1983 | Jeep | Wagoneer | 360/5.9L V8 | |
| 1971 - 1975 | Jeep | CJ6 | 304/5L V8 | |
| 1965 - 1968 | Jeep | Wagoneer | 327/5.3L V8 | |
| 1976 | American Motors | Gremlin | Custom | 304/5L V8 |
| 1968 - 1969 | American Motors | Javelin | 343/5.6L V8 | |
| 1966 | American Motors | Rogue | 290/4.7L V8 | |
| 1971 - 1973 | Jeep | J-100 | 360/5.9L V8 | |
| 1971 - 1976 | American Motors | Matador | 401/6.6L V8 | |
| 1965 - 1970 | Jeep | J-2500 | 327/5.3L V8 | |
| 1965 - 1968 | Jeep | J-2800 | 327/5.3L V8 | |
| 1971 - 1973 | Jeep | J-4600 | 360/5.9L V8 | |
| 1970 | Jeep | J-4500 | 327/5.3L V8 | |
| 1971 - 1972 | Jeep | J-4600 | 304/5L V8 | |
| 1968 - 1969 | American Motors | Ambassador | 290/4.7L V8 | |
| 1970 - 1973 | Jeep | J-2500 | 360/5.9L V8 | |
| 1965 - 1966 | American Motors | Ambassador | Base | 327/5.3L V8 |
| 1965 - 1970 | Jeep | J-3800 | 327/5.3L V8 | |
| 1968 | American Motors | American | 290/4.7L V8 | |
| 1969 | American Motors | Rambler | 290/4.7L V8 | |
| 1969 | American Motors | Rebel | 290/4.8L V8 | |
| 1972 | Jeep | Wagoneer | 304/5L V8 | |
| 1968 | American Motors | Rebel | 550 | 290/4.7L V8 |
| 1971 - 1973 | Jeep | J-4700 | 360/5.9L V8 | |
| 1971 - 1972 | Jeep | J-2500 | 304/5L V8 | |
| 1970 - 1974 | American Motors | Ambassador | 304/5L V8 | |
| 1971 - 1972 | Jeep | J-100 | 304/5L V8 | |
| 1967 | American Motors | Marlin | 343/5.6L V8 | |
| 1965 - 1970 | Jeep | J-2600 | 327/5.3L V8 | |
| 1965 | Jeep | J-200 | 327/5.3L V8 | |
| 1974 - 1978 | Jeep | J20 | 401/6.6L V8 | |
| 1972 - 1973 | Jeep | Commando | 304/5L V8 | |
| 1969 - 1970 | American Motors | Rebel | 390/6.4L V8 | |
| 1978 - 1979 | American Motors | AMX | 304/5L V8 | |
| 1969 | American Motors | Rambler | 390/6.4L V8 | |
| 1971 - 1974 | American Motors | Ambassador | 401/6.6L V8 | |
| 1969 | American Motors | Rebel | 309/5.1L V8 | |
| 1970 - 1973 | Jeep | J-2600 | 360/5.9L V8 | |
| 1971 - 1974 | American Motors | Javelin | 401/6.6L V8 | |
| 1965 - 1970 | Jeep | J-3500 | 327/5.3L V8 | |
| 1966 | American Motors | Rebel | 327/5.3L V8 | |
| 1967 | American Motors | Marlin | 290/4.7L V8 | |
| 1967 | American Motors | Ambassador | 990 | 343/5.6L V8 |
| 1976 - 1981 | Jeep | CJ7 | 304/5L V8 | |
| 1968 - 1969 | American Motors | AMX | 290/4.7L V8 | |
| 1978 - 1979 | American Motors | Concord | 304/5L V8 | |
| 1965 - 1968 | Jeep | J-100 | 327/5.3L V8 | |
| 1970 | Jeep | J-4800 | 327/5.3L V8 | |
| 1968 - 1970 | American Motors | Javelin | 390/6.4L V8 | |
| 1970 - 1974 | American Motors | Javelin | 360/5.9L V8 | |
| 1965 | Jeep | J-310 | 327/5.3L V8 | |
| 1970 | Jeep | J-4600 | 327/5.3L V8 | |
| 1974 - 1978 | Jeep | Cherokee | 401/6.6L V8 | |
| 1968 | American Motors | Rebel | 550 | 343/5.6L V8 |
| 1969 | American Motors | Rambler | 343/5.6L V8 | |
| 1966 | American Motors | Ambassador | 990 | 327/5.4L V8 |
| 1968 | American Motors | American | 343/5.6L V8 | |
| 1970 | American Motors | Rebel | 360/5.9L V8 | |
| 1970 | American Motors | AMX | 360/5.9L V8 | |
| 1970 - 1971 | Jeep | J-3800 | 360/5.9L V8 | |
| 1968 - 1969 | American Motors | Ambassador | 290/4.8L V8 | |
| 1971 - 1973 | Jeep | J-4800 | 360/5.9L V8 | |
| 1957 | Nash | Rambler | Rebel | 327/5.3L V8 |
| 1965 | Jeep | J-330 | 327/5.3L V8 | |
| 1968 - 1969 | American Motors | Javelin | 290/4.7L V8 | |
| 1965 - 1966 | American Motors | Marlin | 327/5.3L V8 | |
| 1966 - 1967 | American Motors | American | Base | 290/4.7L V8 |
| 1971 - 1972 | Jeep | J-4500 | 304/5L V8 | |
| 1967 | American Motors | American | Base | 343/5.6L V8 |
| 1970 | Jeep | J-4700 | 327/5.3L V8 | |
| 1971 - 1972 | Jeep | J-4800 | 304/5L V8 | |
| 1965 | Jeep | J-220 | 327/5.3L V8 | |
| 1979 | American Motors | Spirit | 304/5L V8 | |
| 1965 | Jeep | J-210 | 327/5.3L V8 | |
| 1967 | American Motors | Ambassador | Base | 343/5.6L V8 |
| 1966 | American Motors | Classic | 287/4.7L V8 | |
| 1965 | Jeep | J-320 | 327/5.3L V8 | |
| 1967 | American Motors | Rebel | 290/4.7L V8 | |
| 1965 | Jeep | J-300 | 327/5.3L V8 | |
| 1965 | Jeep | J-230 | 327/5.3L V8 | |
| 1969 | American Motors | Ambassador | 309/5.1L V8 | |
| 1968 | American Motors | Rebel | 550 | 390/6.4L V8 |
| 1967 | American Motors | Ambassador | Base | 290/4.7L V8 |
Specs:
| Brand | Holley Sniper EFI |
|---|---|
| Color | Black |
| Distributor Type | Hall Effect |
| Emission Code | 3 |
| Product Type | Distributor |
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 28 reviews
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Product Reviews
★★★★★ 3
These are not sized correctly - beware
Color: Blue-ice Plus, Size: King(Pack of 2), Color: Blue-ice Plus, Size: King(Pack of 2)
Edit: I was going to return these pillows but the seller contacted me and offered a full refund due to the size issue without having to send the pillows back.
I am happy with this and happy to keep them on a spare queen size bed as they really are nice pillows. Just the wrong size.
pros: they are a nice pillow and the cooling feature is really great, and you can adjust to your liking
cons: absolutely wrong size. Ordered King, tag says king, all measurements on listing and tag say 20x36, in reality they are more like 20x30. Definitely Queen pillows being sold as King.
I did not see any reviews at first about size issues but after I got these and did a search it does look like others have had the same problem.
A shame, would have given them a great review if they were the correct size
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Reviewed in the United States on February 23, 2026
★★★★★ 5
Cool and comfy
Color: Blue-ice Plus, Size: King(Pack of 1)
Great pillow. Keeps you cool.
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Reviewed in the United States on May 8, 2026
★★★★★ 5
Really Good Cooling Pillows for Sleeping
Color: Blue-ice Plus, Size: Queen(Pack of 2), Color: Blue-ice Plus, Size: Queen(Pack of 2)
These cooling pillows are very soft and provide excellent support for your head and neck. They are adjustable by taking our the stuffing if you need them to be more flat or less firm. The look great and comes in a pack of two which is a great value. During use, I did notice they have great shape retention and it does not take them long to return to their fluffy full shape. I am a hot sleeper and these do keep your head cool - just be aware using a pillow cover does reduce the cool ability but this allows you to adjust for weather like during winters to add a pillow case for extra warmth. Very happy with this purchase and got a second set to replace my old pillows.
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Reviewed in the United States on April 28, 2026
★★★★★ 5
Best pillow ever!
Size: King (2 Pack)
I love this pillow. I like a softer pillow and my partner prefers a firmer pillow. With these pillows you can adjust it to the comfort level you desire. For mine I took out quite a bit of the shredded memory foam (I call it fluff). I took out one 13 gallon trash bag of the fluff. After I slept on my pillow for a couple of weeks I found it was getting to soft so I took my saved bag of fluff and added it into the pillow. Now it's PERFECT! The cooling side works great. When you lay your head down on it you can feel the cool pillow. Helps falling a sleep easier. I would highly recommend this pillow!
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Reviewed in the United States on May 3, 2026
★★★★★ 5
Great Pillows for a Good Night’s Sleep
Size: Queen (2 pack), Size: Queen (2 pack)
These pillows are very comfortable and supportive. They keep their shape well and provide great neck and head support throughout the night. The material feels soft and high quality, and they helped improve my sleep. I wake up without neck pain and feel well rested. Definitely worth it.
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Reviewed in the United States on January 25, 2026