Product Description
ARCs Pro Series Billet Rod for the Subaru EX21 is 3.595" and it was designed to be a OEM stock replacement rod if used with the stock piston.
Pro Series Rods are CNC machined from aircraft grade 7075 T-651 aluminum. The Pro Series Rods have been tested to an average of 12,500 RPM and are the lightest available. Key features include an oil groove in the crank bore that is fed through a channel in the dipper and an oil groove in the wrist pin bore. These grooves provide a reservoir of oil that continuously lubricates the crank and wrist pin. Comes with bolts and bearings.
Rod bolt torque: 170 in/lbs lubricated
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Great Upgrade
I needed a new rod for my EX21 after I destroyed the stock rod. Very well machined. Fit was good but the bottom of the bore had to be relieved. It's a beefy rod so it was expected. The included instructions were very thorough. The description doesn't say it but it comes with new rod bearings. Could have saved me $20 as I ordered a set to use with the rod. Also, no witness marks on the rod/cap so don't get them turned around or mark them yourself.
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ARC Subaru Rod
Tough little rod!