Description

This ARP 125-6001 Buick High Performance Rod Bolt Kit is for 400-401-425-430-455 engines. It comes with 200,000 PSI 8740 Chromoly Steel bolts (which is up to 5X stronger than stock)! Sold as a set of 16.

ARP 125-6001 Buick Rod Bolt Kit Fits:

• 400-401-425-430-455 engines

TECH NOTE: ROD BOLTS

The most important fasteners in any engine are the connecting rod bolts! They hold the key to the entire rotating assembly. A broken bolt will lead to catastrophic engine failure. As you can imagine, the most critical joint is where the connecting rod halves mate. The rod bolts must support the primary tension loads caused by each rotation (or cycle) of the crankshaft.

When the crank rotates, the big end of the connecting rod essentially becomes oval-shaped and the rod bolts bend.As the crankshaft continues to rotate, the rod becomes round again. With alternating tension loads and cyclic bending of the bolts, it is very important to install fasteners that are able to exert a clamping force greater than the load imposed upon the joint (tension).

The ARP 125-6001 Buick Rod Bolt Kit is perfect for that application!

Using a rod bolt with sufficient strength to withstand the loads placed upon it is not enough. It is absolutely imperative that the bolts be properly tightened. The preferred method of monitoring the correct amount of tension is through use of a stretch gauge. This is far more accurate than using a torque wrench.

Moreover, through subsequently checking the rod bolts length at tear downs, it is possible to determine if it has been stressed beyond safe limits and must be replaced.