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Torque Solution Cylinder 4 Coolant Mod
Subaru EJ Motors (inc. 2002-2014 WRX / 2004+ STI)
Features & Product Details
RallySport Direct proudly carries a massive selection of high-performance engine, suspension, and drivetrain upgrades to reinforce your race car, rally car, or overlander brought to you by Torque Solution.
Here, you are looking at the Torque Solution Cylinder 4 Coolant Mod. This modification has been designed to increase the coolant flow to the cylinder number 4 head area. This will help reduce the cylinder number 4 coolant temperatures to keep them more uniform with the rest of the cylinders to reduce knock and detonation. This will also help reduce the chances of the common cylinder number 4 ring land failure.
DETAILS:
Specifications
Brand:
Torque Solution
Color:
Black
Mfgr. Warranty:
Limited Lifetime
Condition:
New Product
Return Policy:
Standard
PEOPLE WHO VIEWED THIS ITEM ALSO VIEWED
REVIEWS & CUSTOMER MEDIA
Customer Photos and Videos
5out of
5stars
DH
After researching this mod I personally thought it was worth it. Hopefully it will extend the life of my EJ255.
5out of
5stars
brian85
Feel much better having this. Noticed way cooler engine Temps (upgraded to koyorad at same time) slightly less knock even in Phoenix heat. "Fun" to install but worth it, not alot of room for your hands. you'll wish you had 3 hands but only room for 2 fingers. 1" crowfoot wrench a MUST.
5out of
5stars
Finishing the install
Very easy to fit to the cylinder head, just remove the 12mm allen plug behind cylinder 4 and connect to the heater core hoses check that the hose don't rub on the steering universal joint. cheap insurance for a potential failure in cylinder number 4
0 of 3 people found the following review helpful
1out of
5stars
Ahmed
I would rate this part if i had received it. Ordered it more than a month ago, there was a problem with shipping, item got lost. When i reached out to customer support, they said that they’re looking into it, its been 2 weeks, never heard back from them.
1 of 1 people found the following review helpful
5out of
5stars
MasterFlex
Installed on a 2007 Forester XT. It's tiring to work on the back of the block, but overall the install is straight forward. I had to drain the radiator and remove the TMIC. Three tips for the DIYer. First, the most difficult part was breaking the stock plug. I found I had more range of motion from the top of the engine reaching down than from the bottom (the steering column is really in the way). Second, when cutting the heater hose, be very careful where you cut. Too close to the engine block, and the nipple from the block will not allow you to fully install the T. Too far back, and the T will be in a bend of the heater hose and too close to the steering rack. Third, repeating a previous reviewer, be sure to trim hoses with enough space to avoid the steering rack. I had to take a bit out of both the kit's hose, and the heater hose.
QUESTIONS & ANSWERS
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Q: Fitment for 2.0L Jet2 years ago
Does this also fit the 2.0L EJ20 or is this specifically for the EJ25?
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A: This will work on an EJ20 from a 2002-2005 WRX.
Lane H. @ RallySport Direct 2 years agoWas this answer helpful?
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Q: Torque Solution Cylinder 4 Coolant Mod EJ25_Wagon2 years ago
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A: Yes, this will work for a 2000 2.5 RS.
Lane H. @ RallySport Direct 2 years agoWas this answer helpful?
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Q: New version? Ozzy V.3 years ago
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A: These should all be their latest version with the extended hose. Thanks!
Rick C. @ RallySport Direct 3 years agoWas this answer helpful?
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Q: Exact placement? Sensiman843 years ago
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following answer helpful
A: This is an additional mod. Thanks.
Rick C. @ RallySport Direct 3 years agoWas this answer helpful?
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Q: 2006 wrx wagon Toppdogg8083 years ago
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following answer helpful
A: Just got word that TS just got in a large batch and is sending them out as quickly as they can. Hopefully we've sent you an update already, but if not... now you know :) Thanks!
Rick C. @ RallySport Direct 3 years agoWas this answer helpful?
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