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🛠️ Seal it, test it, fix it — keep your engine leak-proof like a pro!
The Hromee Engine Air Valve Holder and Cylinder Leakage Testing Assistant Tool is a precision device designed for gasoline engines with M12 or M14 spark plugs, including GM Chevy LS series. It pressurizes cylinders up to 110psi to hold valves closed, enabling oil seal replacement without dismantling. Featuring durable brass fittings and high-pressure rubber tubing, it offers reliable, corrosion-resistant performance. Its quick coupler design ensures fast setup, making it an essential tool for efficient engine leak diagnostics and maintenance.
| ASIN | B0CQLXV7LS |
| Best Sellers Rank | #29,688 in Automotive ( See Top 100 in Automotive ) #17 in Engine Valve Train Tools |
| Brand | Hromee |
| Customer Reviews | 4.4 4.4 out of 5 stars (184) |
| Date First Available | December 19, 2023 |
| Item Weight | 6 ounces |
| Item model number | HR4145 |
| Manufacturer | Hromee |
| Manufacturer Part Number | HR4145 |
| Model | HR4145 |
| Product Dimensions | 6 x 4 x 1.5 inches |
R**S
Works fine!
Works fine, seems to seal well!
A**W
Good product with a nice price tag.
Product is as described, hose feels durable and everything was tight. Does not fit 2004-2007 Ford Triton engines with 16mm spark plugs. You can find an adapter by Lise that will fit this and works on Ford/Lincoln Triton engines. Still work keeping for the price since the first one I ordered has the 14mm and 18mm adapter that's so big it wouldn't even fit down the spark plug tube.
#**Y
Worked on a SBF 302
I used this tool to change the valve spring seals on my SBF 302 . Worked great , I recommend .
F**E
Remove the rubber seal
I used this on a 2004 Chevy Suburban with the 5.8L engine. Two things, don't waste a hours trying to screw it in until you figure out that the O-ring between the large and small spark plug threads needs to be removed or you can't screw it into the spark plug. Second, make sure the piston is at TDC or the valve may still drop while using this device. I got real lucky it didn't fall all the way into the cylinder.
J**R
Quality, quality!
Great tool.
R**N
Not bad could be better
It’s alright but the threads are too shallow for a leak down test and air leaks out need deeper threads at the end better off just getting spark plug adapters
A**M
Fits a big or small block Chevy
I used this on a small block Chevy 350 and it worked like a charm. No leaks or issues. It helped me replace my valve seals a lot quicker than the old way of doing it.
D**2
Very handy tool.
Works perfectly
TrustPilot
1天前
2 周前