The factory lift is 8.58mm on the intake camshaft and 8.28mm on the exhaust camshaft.The maximum lift you're able to run on a factory cylinder head casting is 9.35mm before your camshaft lobe makes contact with the cylinder head.Any camshaft less than 9.35mm of lift while retaining a factory size base circle can be considered a drop in camshaft.
RB26 Cylinder Head Build DIS
Nissan SKYLINE GTR RB26 Cylinder HEAD BUILD
When it comes to your RB26 cylinder head build various components come into the discussion. Common upgrades include valve springs, camshafts, valve guides, larger valves, etc. Depending on what components you go with for your build and your desired power goals or build requirements, different machine work will be performed including valve job, cutting valve seats for a larger valved motor, port and polish to enlarge intake and exhaust ports. You may find that the direction that you take with the cylinder head build will play a role in supporting mods as well included oil pump, cam gears, pistons, head studs and gaskets. Raw Brokerage is here to guide you through what might be seemingly huge task to get you the correct parts for the build you want!
Step 1: Verify your cam angle sensor.Check to see which cam angle sensor (CAS) you have on your engine to narrow down compatible camshafts. The main difference is the camshaft drive design as seen in the illustrated comparison. Raw Brokerage classifies these into two types:
Type-1 sensors are full aluminum in construction. The cam drive has a female spline drive with a male half moon.
Type-2 sensors are a combination of both aluminum body and a plastic cover. The cam drive is round with an offset slot though the middle.
Drop In Cams
Where should we Continue your build?
INTAKE AND FUEL
Why Build your CYLINDER HEAD THOUGH Raw Brokerage?
Raw Brokerage has over a decade of specialized experience in offering Nissan Skyline owners and RB engine owners alike with performance parts, professional engine building services and consultation. We have been involved in maintaining RB26 engines long before the Nissan Skyline GTR was available for importing into the USA. We've built engine from a factory refresh and overhaul to 1,500 HP+ drag racing setups. From drift cars to street cars we've broken, replaced, analyzed and ran the components on the market. Through this knowledge we're able to provide you with the best recommendations for your project without breaking the bank. Saving you both time and frustration while getting the best value of your hard earned dollar.
It goes without saying that modifying your car gets expensive. Just like you we are car enthusiast looking to go fast and our money to go far doing just that. Here at Raw Brokerage we strive to achieve that for you our customers. Finding the right parts that will do the best job at a low price. All without sacrificing quality and safety of your build. But the saving don't stop at the price tag of the parts you're looking for. By offering you everything you need to get the job done right the first time, we can offer you the convenience of knowing that you'll be able to get everything you need to complete you sought out goal. So don't delay your build at your machine shop by shopping for parts else where only to find out that you're missing something from the beginning. Save time, save money, go faster!
As a customer of Raw Brokerage we make it a priority to make sure your shopping experience with us is outstanding. Keeping you constantly in the know of the latest products updates, pricing, and order status. Using a suite of sophisticated software, we're able to manage the process to stock the parts you need, where you need them, to get them to you when you need them, accurately! We know you have plenty of 'choices' to shop from online. However, we differentiate from those online retailers that list product only to flip at a profit, as we have the knowledge to back what we sell. Likewise, unlike larger performance shops by delivering that personalized attention to YOUR build.