MORE FEATURES.•5 or 7 Main Bearings •Lifting Eyes•Forged Steel Connecting Rods •Heavy Duty, Deep Skirted Crankcases •Exhaust Manifold with Top and Rear Outlets •Replaceable,Precision Main and Rod Bearings •Parts are Interchangeable with the VRG330 Engine•Overhead Valve Cylinder Heads with Replaceable Guides and Seats•Forged Steel, Dynamically Balanced an CounterweightedCrankshafts with Hardened Journals •Arrow Engine Offers the Best Warranty in the Industry:OneYear or I2,000 Running Hours