Chilled Cast Performance Camshafts

Performance camshafts are referred to as billets in the trade, but this is incorrect in this case.

A Billet is machined from a round bar of iron, in our case they should be referred to as Blanks which are cast.

As most enquiries over the years have been based on Billets, we continue the trend to avoid confusion.
Performance camshafts are referred to as billets in the trade, but this is incorrect in this case.

A Billet is machined from a round bar of iron, in our case they should be referred to as Blanks which are cast.

As most enquiries over the years have been based on Billets, we continue the trend to avoid confusion.

All STK Performance Camshafts are “ Chilled Cast “, this is a process to ensure reliability within the required working areas of the camshaft lobes. ( see attached diagram )

At STK Performance we manufacture Camshafts as explained below :

1. CHILLED CAST IRON CAMSHAFTS

“So if it ain’t Chilled cast , it ain’t good enough “

STK use this process for mass production of their Camshaft Blanks and it is the only material for producing Performance Camshafts , it’s that good reliability wise that we manufacture most of our Standard Camshafts in this way too.

What is Chilled Cast ?

When the camshaft is cast in the foundry, the iron is poured and hardened off very quickly ( known as chilling ) this causes the material to form a matrix of carbide on the camshaft lobe , this material will cut glass and is exceedingly scuff-resistant.

         MACHINED BILLET CAMSHAFTS

STK use this process for low quantity Camshaft production and generally costs more due to the additional work involved in producing this type of Camshaft.

Machined Billet Camshaft means that the camshaft is turned from a round steel bar and is Nitride Hardened after grinding to ensure hardness and reliability of the Camshaft Lobes