ARP Main Bolt Kit for Subaru WRX EJ20 & EJ25 Block Bolts

ARP Main Bolt Kit for Subaru WRX EJ20 & EJ25 Block Bolts Protect and upgrade the bottom end of your Subaru WRX with ARP's precision main bolt kit engineered for EJ20 and EJ25 engine blocks. These high-performance fasteners deliver consistent clamping force and long-term durability for street, track, and race applications. Direct Fit: Designed specifically for Subaru WRX EJ20 & EJ25 blocks for easy replacement and correct alignment Premium Material: High-strength alloy steel with ARP’s proprietary heat treatment for superior tensile strength and fatigue resistance Performance Advantage: Enhanced crankshaft stability, reduced main cap walk, and improved reliability under elevated boost, high RPM and hard use Complete Kit: Includes all main block bolts and necessary washers where applicable; ready for installation following ARP procedures Pro Proven: Motorsports-grade quality trusted by engine builders and tuners worldwide Ideal for forced-induction builds, high-mileage restorations and competition engines, this ARP kit is a cost-effective insurance policy for your engine’s rotating assembly. Always follow ARP’s recommended torque sequence and lubrication guidelines for optimal clamp load and long-term performance.