SBC Rod Bolt Kit - Fits 305/307/350

The ARP 234-6403 SBC Rod Bolt Kit is a professional-grade connecting rod fastener set engineered for Small Block Chevy engines including the 305, 307, and 350 cubic inch variants. Built from ARP2000 chromoly steel, this Pro Series Wave-Loc kit delivers the clamping load consistency and fatigue strength demanded by high-performance and competition engine builders who cannot afford rod failure under sustained load.

Featuring 3/8-inch bolt diameter sizing optimized for large journal cranks, the set includes 16 bolts with ARP's Wave-Loc self-locking design—eliminating the need for secondary locking hardware while maintaining preload integrity through extended engine cycles. The natural finish chromoly construction resists galling during installation and provides superior fatigue performance compared to standard steel fasteners, critical when managing peak cylinder pressures in forced-induction or high-RPM applications. Proper torque procedures and verification remain essential for correct installation and optimal load distribution.

This kit addresses the needs of engine builders, machine shops, and serious enthusiasts rebuilding SBC powerplants for street performance, drag racing, or dyno-tested builds where component reliability directly impacts mission success. Whether freshening a classic small-block or assembling a performance platform, quality rod fasteners represent a non-negotiable foundation for long-term durability and predictable power delivery.

ARP is recognized in the engine building and motorsports community for precision fastener engineering. The 234-6403 reflects that standard—delivering the specifications and materials required when engine integrity cannot be compromised by inferior hardware or assembly shortcuts.