Milodon Engineering has gear drive systems available for all the big Ford engines, and Summers Brothers has a gear drive setup for all Chevy blocks from the lowly 265 to the highly touted 454 ...

The entire package to convert your rat to factory gear drive lists over the counter at a mere $17.30 and consists of only four pieces (excluding the cam): cam gear (part No. 3856351), crank gear ...

This requires a step be placed in the cam nose to be able to bolt on the cam drive gear. One advantage to roller cams in general is that you can reuse lifters on a new or different camshaft.

This cam drive gear layout tells the story. Gear A is the original LS1 three-bolt Gen III gear with a smooth face. Gear B is the 2005-’06 GTO three-bolt, 1x cam trigger for 24x reluctor engines.

Mounted in a rotating drum, the cam-driven gear rotates the pinion back and forth 150 times/min. Grippers mounted to the pinion shaft open and close as the pinion oscillates, transferring cards ...

In-keeping with the spirit of the production-derived regulations, Aprilia says it will also make the gear-driven camshaft available to the public on its RSV4 Factory road bike.