SKU: 89413524285

Holley 565-303 Sniper EFI HyperSpark Distributor Ford 351C 429 460 Hall Effect C

$215.52 $239.47
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Description

Holley 565-303 Sniper EFI HyperSpark Distributor Ford 351C 429 460 Hall Effect COverview: 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
1972 - 1974 Ford Country Squire 460/7.5L V8
1969 - 1973 Mercury Monterey 429/7L V8
1969 - 1974 Ford Ranch Wagon 351/5.8L V8
1970 - 1973 Ford Ranchero 429/7L V8
1973 - 1996 Ford F-250 460/7.5L V8
1970 - 1971 Ford Mustang Mach 1 429/7L V8
1970 - 1972 Ford Mustang Mach 1 351/5.8L V8
1969 - 1974 Mercury Montego 351/5.8L V8
1972 - 1974 Ford LTD 460/7.5L V8
1973 - 1997 Ford F-350 460/7.5L V8
1969 - 1973 Ford LTD 429/7L V8
1969 - 1973 Ford Galaxie 500 429/7L V8
1975 - 1996 Ford E-350 Econoline 460/7.5L V8
1969 - 1973 Ford Country Squire 429/7L V8
1964 - 1967 Cadillac Commercial Chassis 429/7L V8
1972 Ford Custom 460/7.5L V8
1969 - 1973 Ford Custom 500 429/7L V8
1975 - 1976 Ford Elite 460/7.5L V8
1972 - 1973 Ford Torino 429/7L V8
1968 - 1973 Ford Thunderbird 429/7L V8
1969 - 1973 Mercury Colony Park 429/7L V8
1969 Mercury Comet 351/5.8L V8
1977 - 1996 Ford E-350 Econoline Club Wagon 460/7.5L V8
1969 - 1973 Ford Ranch Wagon 429/7L V8
1970 Ford Falcon 429/7L V8
1970 - 1971 Ford Torino Squire 429/7L V8
1975 - 1976 Ford LTD Brougham 460/7.5L V8
1975 - 1978 Ford LTD Country Squire 460/7.5L V8
1968 - 1971 Lincoln Mark III 460/7.5L V8
1972 - 1974 Ford Custom 500 460/7.5L V8
1975 - 1991 Ford E-250 Econoline Club Wagon 460/7.5L V8
1970 - 1971 Ford Torino Base 429/7L V8
1974 - 1976 Ford Ranchero 460/7.5L V8
1969 - 1971 Mercury Cyclone 429/7L V8
1973 - 1976 Mercury Cougar 460/7.5L V8
1971 - 1986 DeTomaso Pantera 351/5.8L V8
1970 - 1971 Ford Torino GT 429/7L V8
1977 - 1978 Lincoln Mark V 460/7.5L V8
1969 - 1973 Ford Country Sedan 429/7L V8
1970 - 1971 Ford Torino Brougham 429/7L V8
1975 - 1978 Ford LTD Base 460/7.5L V8
1977 Ford Ranchero GT 460/7.5L V8
1970 - 1974 Mercury Monterey 351/5.8L V8
1970 - 1971 Ford Mustang Grande 429/7L V8
1970 - 1974 Mercury Colony Park 351/5.8L V8
1971 - 1974 Mercury Cougar 351/5.8L V8
1970 - 1973 Mercury Marquis 429/7L V8
1972 - 1974 Mercury Colony Park 460/7.5L V8
1972 - 1974 Mercury Monterey 460/7.5L V8
1969 - 1974 Ford LTD 351/5.8L V8
1969 - 1974 Ford Ranchero 351/5.8L V8
1968 - 1978 Lincoln Continental 460/7.5L V8
1969 - 1972 Ford Custom 429/7L V8
1964 - 1967 Cadillac Eldorado 429/7L V8
1969 - 1974 Ford Country Sedan 351/5.8L V8
1972 - 1976 Ford Thunderbird 460/7.5L V8
1969 - 1971 Mercury Cyclone 351/5.8L V8
1969 - 1970 Ford Fairlane 351/5.8L V8
1969 - 1974 Ford Custom 500 351/5.8L V8
1972 - 1978 Mercury Marquis 460/7.5L V8
1975 - 1979 Ford F-150 460/7.5L V8
1972 - 1976 Lincoln Mark IV 460/7.5L V8
1972 - 1974 Ford Country Sedan 460/7.5L V8
1973 - 1976 Mercury Montego 460/7.5L V8
1970 - 1971 Ford Torino Base 351/5.8L V8
1969 - 1974 Ford Country Squire 351/5.8L V8
1972 - 1974 Ford Torino 351/5.8L V8
1973 - 1979 Ford F-100 460/7.5L V8
1969 - 1972 Ford Custom 351/5.8L V8
1971 - 1972 Ford Mustang Boss 351 351/5.8L V8
1969 - 1970 Mercury Marauder 429/7L V8
1970 - 1971 Ford Torino Cobra 429/7L V8
1965 - 1967 Cadillac Calais 429/7L V8
1975 - 1978 Ford LTD Landau 460/7.5L V8
1970 - 1973 Mercury Montego 429/7L V8
1972 - 1974 Ford Ranch Wagon 460/7.5L V8
1975 - 1978 Mercury Grand Marquis 460/7.5L V8
1973 - 1976 Ford Torino 460/7.5L V8
1969 Mercury Marquis Base 429/7L V8
1970 - 1971 Ford Torino Super Cobra Jet 429/7L V8
1975 - 1976 Ford Custom 500 Base 460/7.5L V8
1964 - 1967 Cadillac DeVille 429/7L V8
1970 Ford Fairlane 429/7L V8
1971 Ford Torino 500 429/7L V8
1969 - 1970 Mercury Cougar Boss 429 429/7L V8
1970 - 1971 Ford Torino Brougham 351/5.8L V8
1970 - 1974 Mercury Marquis 351/5.8L V8
1964 Cadillac Series 75 Fleetwood 429/7L V8
1970 - 1971 Ford Torino GT 351/5.8L V8
1970 - 1972 Ford Mustang Grande 351/5.8L V8
1972 - 1973 Ford Gran Torino 429/7L V8
1965 - 1967 Cadillac Fleetwood 429/7L V8
1975 Mercury Montego MX 460/7.5L V8
1969 - 1972 Ford Mustang Base 351/5.8L V8
1975 Mercury Montego Brougham 460/7.5L V8
1970 - 1971 Ford Torino Squire 351/5.8L V8
1969 - 1974 Ford Galaxie 500 351/5.8L V8
1964 Cadillac Series 60 Fleetwood 429/7L V8
1971 Mercury Cougar 429/7L V8
1968 Lincoln Continental 429/7L V8
1969 - 1970 Ford Mustang Boss 429 429/7L V8
1970 Mercury Cougar XR-7 429/7L V8
1972 - 1974 Ford Gran Torino 351/5.8L V8
1969 - 1971 Ford Mustang Base 429/7L V8
1970 Ford Falcon 351/5.8L V8
1971 Ford Torino 500 351/5.8L V8
1975 Mercury Montego Villager 460/7.5L V8
1972 - 1974 Ford Galaxie 500 460/7.5L V8
1975 - 1980 Ford E-250 Econoline 460/7.5L V8
1973 - 1976 Ford Gran Torino 460/7.5L V8
1996 Ford Econoline Super Duty 460/7.5L V8
1970 Mercury Cougar Base 429/7L V8
1970 Mercury Cougar Cobra Jet 429/7L V8
1971 Ford Torino Cobra 351/5.8L V8
1964 Cadillac Series 62 429/7L V8
1977 Ford Ranchero 500 460/7.5L V8
1973 Ford Mustang 351/5.8L V8
1970 Mercury Cougar Base 351/5.8L V8
1969 Mercury Marquis Brougham 429/7L V8
1978 Ford E-100 Econoline 460/7.5L V8
1970 Mercury Cougar XR-7 351/5.8L V8
1997 Ford F-250 HD 460/7.5L V8

Specs:

Brand Holley Sniper EFI
Color Shiny
Distributor Type Hall Effect
Emission Code 3
Product Type Ignition Boxes
Shipping Notes
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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]
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SKU: 89413524285

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4.3 ★★★★★
Based on 1343 reviews
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L
Verified Purchase
Layton Phillips
Dallas, US
★★★★★ 5
Great pillow, but the cooling effect depends on the cover
Color: Blue-ice Plus, Size: King(Pack of 2)
I really like this pillow overall. It’s comfortable, supportive, and feels well made. When you use it without a pillowcase, it definitely feels cool to the touch and does what it claims in terms of that initial cooling sensation. However, once you put a pillowcase on it, you can’t really feel the cooling effect anymore. I’ve tried multiple different pillowcases made from different materials, and none of them really let that cool feeling come through. That said, I still love the pillow itself. It’s comfortable and supportive enough that I’m keeping it. Just keep in mind that the cooling feature works best without a cover, which isn’t ideal for everyone. Overall, a good pillow — just manage expectations about the cooling effect once it’s covered.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 17, 2026
H
Verified Purchase
Hannah N. Ford
Carnegie, US
★★★★★ 5
Cooling and holds shape.
Color: Blue-ice Plus, Size: Queen(Pack of 2), Color: Blue-ice Plus, Size: Queen(Pack of 2)
Very nice pillow for the price is also holding up well and holding shape very cool and comfortable to the touch. Best pillow I found in a long time.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 28, 2026
S
Verified Purchase
smmt
Charlottesville, US
★★★★★ 5
Best Pillow Ever
Color: Blue-ice Plus, Size: Queen(Pack of 2)
Best pillow ever. Although it still gets "hot", it does take longer to get "hot". I love this pillow. I was buying a new pillow almost every 3 months. Other pillows would either remain rock hard or go flat. I was concerned at first when reading the description as I though the memory foam would be big pieces. They are soft fluffy pieces. I had to remove almost half of the foam to get the pillow to what works for me. I have not had to put any filler back in. Maybe in a couple of more months I may have to put a bit more in, but it is holding it's shape and not going flat. I do fluff it every night. This helps. I am a stomach sleeper. I have bought the expensive purple pillow and hated it so much I gave it to my daughter. This QUTOOL Pillow is the best! I bought a 2 pack. Have not used the other pillow yet, but I feel I may actually go years for once without having to buy a pillow as I have the 2nd one set aside if the first one gets to a point in need replacement. I have bought Dollar Store pillows. I have bought $300 pillows. None of them even come close to this pillow and the way you can adjust this pillow for you. The pillows came in a white mesh like bag. I keep all the unused "stuffing" in this bag. I have it hanging in my closet and I just fluff the bag once a month to keep the filling fresh so it is ready if and when I need it. Coming from someone who has trouble staying asleep, neck issues, a stomach sleeper who hate those flat pillows manufacturers think stomach sleepers like but actually hate, buy this pillow. Just buy it. Best Pillow for a picky person like me. Buy 2 or more so if you have to stay at a hotel, you can take your own pillow.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 15, 2025
J
Verified Purchase
Jedata
Omaha, US
★★★★★ 4
Slippery Pillow
Color: Blue-ice Plus, Size: Queen(Pack of 2)
Nice and cooling but it’s so slick my pillow sheet doesn’t want to stay on.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 14, 2026
J
Verified Purchase
Jute
Carnegie, US
★★★★★ 5
Foam Mattress NEEDs Foam Pillows
Color: Blue-ice Plus, Size: King(Pack of 2), Color: Blue-ice Plus, Size: King(Pack of 2)
10 stars!! Quality foam, structure & price. Best bang for my buck.    HRV, readiness & total sleep score metrics increased drastically this week.  See screenshot :) Support: Molds and cushions every crevice under my neck and above shoulders. So comfy  Size: Adjustable loft but king length is perfect to hug and rest your head.  Love love love. The 1st 2 nights were uncomfortable with pillow as is, first night I was up at 3am half asleep pulling foam out but wasn't enough. The second night at 2am I pulled out more stuffing. I was getting frustrated..  my Oura ring showed both nights I was awake every hour.  Not good.  Before the 3rd night I pulled enough to fill the bag the 2 pillows arrived in. Boom -8hrs sleep and for the first time ii years I achieved 17% Deep sleep.  Huge. Weight: Perfect weight with adjustment. Squishy and molds to b the contour of my neck and shoulders Softness: Like the baby bear.. just right.   Comfort: Very comfortable after removing 30% foam in both pillows. I actually now have enough to make a 3rd pillow, replace old foam, or adjust OGs, Still to early to measure.  If you have a foam mattress that contours your body but not your head you'll end up with neck and/or back pain from head being elevated- not sinking/molding the body into a foam mattress. 
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 1, 2025

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