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🕒 Lock in perfect timing, every time — don’t let your engine miss a beat!
The 303-1655 Camshaft Holding Alignment Timing Tool is a precision-engineered kit designed specifically for Ford 3.5L EcoBoost upgraded engines, including GT, F-150, Expedition, and Lincoln Navigator models (2017-2019). This professional-grade toolset features OEM-equivalent accuracy, durable black oxide steel construction, and a complete 5-piece kit with a portable case, making camshaft timing chain replacement efficient and reliable. Highly rated and trusted by automotive pros, it ensures flawless camshaft alignment and hassle-free maintenance.






















































| ASIN | B0B8T1NS41 |
| Best Sellers Rank | #29,283 in Automotive ( See Top 100 in Automotive ) #25 in Engine Timing Belt Tools |
| Brand | Yuesstloo |
| Customer Reviews | 4.3 4.3 out of 5 stars (284) |
| Date First Available | August 5, 2022 |
| Item Weight | 5.37 pounds |
| Manufacturer | Yuesstloo |
| Manufacturer Part Number | ZSGJ-35 |
| OEM Part Number | 303-1655 |
| Package Dimensions | 12.6 x 9.53 x 3.11 inches |
A**T
Works great when used correctly
Works as it should when used right, this tool is not designed to hold the cam while it's being torqued!! Not even the oe tool is. Use a 26mm wrench for that. It's to keep the cam aligned while installing the chains. I use my own quality torx plus bit.
T**E
Good
Good
E**L
Good for gen 2 Ford 3.5L ecogay engines
Works great
K**W
Good tool set arrived on time
Arrived on time
A**X
BENT!!!!
The build quality is poor. Did not fit due to the tool being bent.
R**R
Worked Great
The tool worked well while changing timing phasers on F150. The torn bit included stripped on the last bolt but for the cost of the tool I wasn't expecting it to hold up. Very satisfied the tool got the job done.
A**R
Worked good
Used these to change cam phasers in my 2017 f150. They worked good and it was nice that they came with the socket for the phaser bolts. Good sturdy case. The only reason I gave it 4 stars is because they sometimes start to pop up when you are torquing down the bolts. No big deal, you just tap them back down before they come completely out. Good product at a good price.
K**N
Can't do the job without it
Works as advertised
D**S
Broke on the first use. Missed the return window and cannot get a refund.
C**E
Great tools! I did my 2017 f150 platinum ccamphasers nice and fit!
Trustpilot
1 month ago
2 weeks ago