Holley 351W Ford Hi-Ram EFI Manifold - 300-242
SKU: 78737132258

Holley 351W Ford Hi-Ram EFI Manifold - 300-242

Sale price$629.98 Regular price$699.98
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Description

Holley 351W Ford Hi-Ram EFI Manifold - 300-242Overview: The EFI Hi Ram manifold line has a new addition for the 351W Ford application. This manifold comes with a 105MM LS throttle body flange top, a 95mm LS throttle body top is also available. The runner length and tapered cross section design will perform well for a wide range of engine combinations. The engineering team also redesigned the water crossover passage to allow room for distributor phasing. Aggressive, bold, race bred styling will

Overview:

The EFI Hi-Ram manifold line has a new addition for the 351W Ford application. This manifold comes with a 105MM LS throttle body flange top, a 95mm LS throttle body top is also available. The runner length and tapered cross section design will perform well for a wide range of engine combinations. The engineering team also redesigned the water crossover passage to allow room for distributor phasing. Aggressive, bold, race-bred styling will make bad intentions clear for drag race, muscle car, marine, off-road, sandrails, pulling trucks, track, street-rod applications and more! Manifold is designed for a 9.5" deck height. Manifold width is 11.32".  Runner length and the tapered cross-section designed to perform well for a wide range of engine configurations  EFI fuel rails are machined for -8AN O-ring Fittings with passages large enough to accommodate high fuel flows and dampen pressure pulsations in the fuel system and come standard with EFI Hi-Ram kits.  Cast aluminum construction.
 

Features:

  • The 351W manifold is available to work with 95MM or 105MM GM LS throttle bodies
  • EFI fuel rails are machined for -8AN o-ring fittings with passages large enough to accommodate high fuel flows and dampen pressure pulsations in the fuel system and come standard with EFI Hi-Ram kits.
  • Plenum Top Gasket Type – 3/32” Round O-ring Cord
  • Manifold is designed for a 9.5" deck height.
  • Requires the Use of Holley EFI Dual Sync Distributor - 565-111

 

Application:

Year Make Model Submodel Engine Size
1969 - 1974 Ford Country Sedan   351/5.8 V8
1969 - 1972 Ford Custom   351/5.8 V8
1997 Ford F-250 HD   351/5.8 V8
1969 - 1979 Mercury Cougar   351/5.8 V8
1969 - 1971 Mercury Cyclone   351/5.8 V8
1971 - 1981 Mercury Marquis   351/5.8 V8
1969 - 1976 Mercury Montego   351/5.8 V8
1970 - 1974 Mercury Monterey   351/5.8 V8
1975 - 1976 Ford Elite   351/5.8 V8
1975 - 1976 Bricklin SV-1   351/5.8 V8
1987 - 1991 Ford LTD Crown Victoria   351/5.8 V8
1978 - 1996 Ford Bronco   351/5.8 V8
1969 - 1984 Ford LTD   351/5.8 V8
1969 - 1977 Ford Custom 500   351/5.8 V8
1996 Ford Econoline Super Duty   351/5.8 V8
1975 - 1983 Ford E-100 Econoline   351/5.8 V8
1975 - 1983 Ford E-100 Econoline Club Wagon   351/5.8 V8
1975 - 1996 Ford E-150 Econoline   351/5.8 V8
1975 - 1996 Ford E-350 Econoline   351/5.8 V8
1977 - 1996 Ford E-350 Econoline Club Wagon   351/5.8 V8
1977 - 1979 Ford F-100   351/5.8 V8
1977 - 1996 Ford F-150   351/5.8 V8
1977 - 1996 Ford F-250   351/5.8 V8
1977 - 1997 Ford F-350   351/5.8 V8
1975 - 1996 Ford E-150 Econoline Club Wagon   351/5.8 V8
1975 - 1996 Ford E-250 Econoline   351/5.8 V8
1975 - 1991 Ford E-250 Econoline Club Wagon   351/5.8 V8
1975 - 1977 Mercury Monarch   351/5.8 V8
1971 - 1989 DeTomaso Pantera   351/5.8 V8
1972 - 1976 Ford Gran Torino   351/5.8 V8
1975 - 1977 Ford Granada   351/5.8 V8
1977 - 1979 Ford LTD II   351/5.8 V8
1969 - 1995 Ford Mustang   351/5.8 V8
1969 - 1979 Ford Ranchero   351/5.8 V8
1977 - 1979 Ford Thunderbird   351/5.8 V8
1969 - 1976 Ford Torino   351/5.8 V8
1980 Lincoln Continental   351/5.8 V8
1980 Lincoln Mark VI   351/5.8 V8
1977 Lincoln Versailles   351/5.8 V8
1978 - 1989 Mercury Grand Marquis   351/5.8 V8
1969 - 1974 Ford Galaxie 500   351/5.8 V8
1969 - 1974 Ford Ranch Wagon   351/5.8 V8
1969 - 1974 Ford Country Squire   351/5.8 V8
1969 - 1970 Ford Fairlane   351/5.8 V8
1969 - 1970 Ford Falcon   351/5.8 V8
1969 - 1974 Mercury Colony Park   351/5.8 V8
1969 Mercury Comet   351/5.8 V8

 

Specs:

Brand Holley EFI
Construction Cast
Emission Code 3
Engine Ford 351W
Finish Satin
Flange Style EFI
Fuel System Type EFI
Manifold Type Hi-Ram
Port Size 2.00" x 1.190"
Product Type Manifold
RPM Power Band 1500-7000
Throttle Bore 105mm
Warranty Limited 90 Day
Shipping Notes
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
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SKU: 78737132258

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Kim Groetsch
Pawtucket, US
★★★★★ 5
BEST, MOST COMFORTABLE PILLOWS EVER!
Color: White-cooling Basic, Size: Queen(Pack of 2)
I've used others.BEST PILLOWS EVER! Firm, cooling and supportive. LOVE THESE!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
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Juanita
Grantham, US
★★★★★ 4
Comfortable and Supportive, but Adjust the Filling
Color: White-cooling Basic, Size: Queen(Pack of 2), Color: White-cooling Basic, Size: Queen(Pack of 2)
I’m very happy with this pillow. The size is big and it feels soft while still providing good support, perfect for midnight scrolling on TikTok. One thing to keep in mind is that it can feel a little too tall if you use all of the filling that comes with it. The good news is that you can easily adjust the amount of filling to find the height that works best for your sleeping position. Once I customized it, it was much more comfortable. Overall, great quality, comfortable, and worth the purchase.
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Reviewed in the United States on June 3, 2026
L
Verified Purchase
Love Leigh Angel
Battle Creek, US
★★★★★ 5
BEST PILLOWS EVER!!!
Color: White-cooling Basic, Size: Queen(Pack of 2)
I am very picky with my pillows because I have a bad neck and I can never seem to find a good pillow. But I tried this pillow because it had everything I was looking for and the price was great! You get two of them and they are absolutely awesome.! normally I would need to lay on two pillows to try and get comfortable but with these pillows I just lay on one and I wake up with no neck pain. They really have a nice cooling effect. They actually puff up immediately after opening them. All you have to do is just shake them up and the pillow just puffs straight up.. It comes with extra cushioning if you want it to make it firmer and if you don’t want it as firm as it is, you can actually take some out. It really is such a beautiful pillow. It’s perfect in every way to me being such a picky pillow person. You just lay your head down on it and it forms around your neck and your head and when you get up, it goes right back to its normal form. It doesn’t get flat and I love it. I completely recommend this to anyone who is a person who has a hard time finding a really good pillow.
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Reviewed in the United States on April 12, 2026
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Verified Purchase
$@[)E
Boise, US
★★★★★ 5
Top of the line, best pillows Ive ever had
Color: White-cooling Basic, Size: Queen(Pack of 2)
These pillows are top of the line! I bought them in 2024 and they are still fluffy. When they lose a little fluff, you just punch em around a little bit and voila, like new again. They have kept their shape cery well and do great for cooling. I haven't had to add more filling yet either. I just laid my head on one and thought, I need to do a review cause everytime i lay on these pillows its like clouds. My head is heavy and this is relief :-D
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Reviewed in the United States on May 21, 2026
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Chelsea H.
West Palm Beach, US
★★★★★ 3
Weird smell
Color: White-cooling Basic, Size: Queen(Pack of 2)
The pillows are great for someone looking for something cool and comfortable. We loved them so much that we bought a second pair. However, we were seriously disappointed with the odor of our last purchase. They give off a strong and indescribable chemical/burning plastic smell so nauseating that it’s difficult to sleep with. We’re hoping this issue will resolve with a couple more washes of the pillow cases, but am worried the source is the stuffing itself.
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Reviewed in the United States on May 28, 2026

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