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Strengthen Your 4B11 Bottom End

The ARP 207-5201 4-Bolt Turbo Main Bolt Kit is a critical upgrade for anyone building a high-performance 4B11 engine. The main bearings are the foundation of your engine's reliability, and these high-strength bolts ensure that your main caps stay securely in place under extreme load.

Key Features

• High-Strength Alloy: Constructed from premium 8740 chromoly steel for superior tensile strength compared to factory bolts.
• Precision Machining: Each bolt is precision-engineered for a perfect fit, ensuring consistent torque and clamping force.
• Engineered for Turbo Applications: Specifically designed to handle the increased stress and vibration associated with high-boost turbo setups.
• Bottom End Protection: Reduces main cap walk and ensures the crankshaft stays properly aligned during high-RPM operation.

Don't overlook the importance of your bottom end when increasing your engine's power output. The ARP Main Bolt Kit provides the structural integrity needed to prevent catastrophic failure, allowing you to push your 4B11 engine further with confidence. Whether you are building for the track or the street, these bolts offer the reliability that top-tier engine builders demand. For all your high-performance engine component needs, GGCRACING offers the parts and expertise to help you build a stronger, more reliable engine.