NAS Performance

@nas_performance

Naturally Aspirated Subaru Performance
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Weeks posts
We put together a full article on the EJ30 with all the details of the posts we have made along the whole process. Check it out! We spent a lot of time on it! Link in bio! /ej30/
57 4
2 years ago
So you have seen our success with the SuperStock engines… but you’re kinda crazy and want to take it to the next level? We do custom builds of any kind! This one is a closed deck 2.5, with our custom high comp ultra light pistons, H beam rods, and Calico coated ACL bearings. Going to be an absolute monster. Available in stroker and larger bores as well. Even turbo application as well! We absolutely love bringing your dreams to life.
58 0
2 years ago
NA Subaru drag car? This has been in the works for a little while, we are going to be doing the longblock for nitrometh and nitrous for @longroofracingllc shop car. Going to be an absolute monster probably 400+ shot plus nitrometh. 🔥🔥💣💥💥 As you can see, we aren’t holding back on this build one bit. -Closed deck block -R&R Aluminum rods -Custom DOHC 13.0:1 pistons -Calico coated ACL bearings -New Nitrided crank We will share the head setup later on.
56 3
2 years ago
Aluminum 3D printed EZ36 pan? 🤔 Still working on the baffle. Pan is designed for more capacity with the bolts going through the pan to use all the area of the pan flange for oil capacity.
19 2
2 days ago
Monster EZ30R turbo longblock build underway for a high-RPM drift setup! This one is getting the full NAS treatment. 👊 The foundation starts with a closed-deck block, paired with 9.7:1 CP pistons and I-beam rods built to handle serious boost and RPM. The crankshaft will be nitride heat treated and superfinish polished for maximum durability and reduced friction at high engine speeds. Up top, the heads will receive full port work along with a complete Kelford valvetrain and AVLS delete billet cams designed for aggressive power delivery and sustained RPM. We’re also adding upgraded head studs plus a high-capacity baffled oil pan to keep oil control in check during hard drifting conditions. This thing is going to be an absolute animal. 🔥 Stay tuned for progress updates! We’ve got more H6 builds going on right now than ever before, and honestly we can hardly believe it. The support has been incredible. We’re getting absolutely maxed out on shop space and labor capacity 😂 It’s awesome seeing so many people wanting to push the H6 platforms to the next level, and we’re excited to keep building some wild combinations for you guys.
99 1
8 days ago
Happy Sunday everyone! Had a great time at Church with the family today, and wanted to share something that really hit home today. Slander has become far too common, and may be one of the most overlooked sins in our day-to-day lives. “Brothers and sisters, do not slander one another. Anyone who speaks against a brother or sister or judges them speaks against the law and judges it. When you judge the law, you are not keeping it, but sitting in judgment on it.” James 4:11 A good reminder to guard our words, show grace, and focus on lifting others up instead of tearing them down. This is especially true with small businesses—careless words, false claims, or slander can directly affect a family’s income, reputation, and livelihood. Behind many small businesses is a family working hard to provide and serve others. Enjoy the picture of some big port EJ20 1000+ hp head assembly 🔥
47 0
20 days ago
Pair of EZ’s just showed up to be fully built! 🫡 Full built with all the exotic noises incoming
92 9
22 days ago
Completed 83mm stroker EJ20! 🔥 83mm billet Callies crankshaft, I beam 625 Callies rods, custom Diamond stroker pistons with Line2Line coating. Block is closed deck, pinned mains, 1/2” head studs, and ARP main bolts! The ultimate EJ20 build and by far our favorite EJ turbo shortblock setup! The smaller bore but longer stroke revs hard and is very torquey. The light pistons has less load on the rod bearings which is a huge game changer since they are only 340g vs 400g+ EJ25 pistons.
42 0
27 days ago
@line2linecoatings abradable skirt and ceramic top coatings on our custom 83mm stroker EJ20 pistons. The abradable skirt coating is the best upgrade for forged piston reliability and longevity ever! Allowing the pistons to have a perfect running piston to wall clearance and perfect skirt shape to the bores.
26 3
1 month ago
At NAS, we make dreams reality! This is an EZ30 max effort NA build we did a few years ago 13.0:1 compression, H beam rods, WPC crank, closed deck, fully built ported heads with custom profile WPC Kelford cams, and full Kelford valvetrain. 🔥 We lots of EZ30, EZ36, and EG33 builds in the works this year! Lots of custom parts being made right now! We will take H6 builds to a whole new level this year!
150 4
1 month ago
83mm stroker clearancing underway. Roughed in with a 3/4” high-helix ball from Killer Carbide Burrs—the ball profile is hands-down the best for EJ block clearancing. Final sanding comes next. The added stroke dramatically increases area under the curve, bringing the powerband in earlier while still pulling strong up top with the right cam profile! More usable power everywhere means sharper response, harder launches, and quicker recovery on every shift.
24 0
1 month ago
Finished heads packed up properly 🫡 Built cylinder heads make for the majority of the power gain on a built NA engine vastly improving air flow. Built shortblock supports the power the heads make
13 0
1 month ago