Product Description
These high - performance connecting rods for the Subaru EJ Series are the ProH625+ model with ARP Custom Age 625+ fasteners. Crafted from aerospace - grade 4340 chromoly steel, they offer top - notch reliability for increased boost, nitrous use, and higher RPM ranges. Each rod undergoes CNC machining, micropolishing for a smooth surface, and comes with Aluminum/Silicone/Bronze pin bushings. It's finished - honed to precise tolerances. Here are the key specs: C - to - C is 5.141', BE Bore is 2.166', BE Width is 0.843', PE Bore is 0.905', PE Width is 0.843', Gram Wt is 550, and the Torque Specs are 50 ft lbs - 3/8'.
Using these connecting rods is straightforward. First, make sure your Subaru EJ Series engine is properly prepped and cleaned before installation. When tightening the rods, follow the torque specs of 50 ft lbs for the 3/8' fasteners. This will ensure a secure fit and prevent any issues down the road. As for maintenance, keep an eye on the engine oil level and quality. The high - quality 4340 chromoly steel construction is durable, but regular oil changes are crucial to protect the rods and the whole engine. Also, if you notice any strange noises or vibrations coming from the engine, it's a good idea to have it checked out right away. This can help catch any potential problems early and keep your engine running smoothly with these great connecting rods.