Suit RB25, RB26 and RB30.

PROUDLY AUSTRALIAN MADE!

For serious bottom end strength and block rigidity. This kit is as good or better quality as any on the market, but at a more realistic price.

Currently used in the SPOOL RB34 engine.

Girdles are 250 Grade Mild Steel.

Note: Does not come with ARP Main Studs.

* Tunnel boring is required. *