Leading A-Series engine specialist since 1981
Our straight-cut crown wheel and pinion sets are CNC machined from steel billets. We have added an extra 12% to the width of the crown wheel over standard, giving additional surface contact with the pinion to spread the tooth load.
The pinions are now made from aerospace-grade S82 steel, which is 20% tougher than EN36B that most other pinions are machined from.
Available in the following ratios;
For high performance applications we'd also recommend installing a new set of ARP crown wheel bolts.