Summit Racing™ Pro LS Billet Adjustable Single Row Timing Chain Sets and Gears SUM-G6647-4X

Summit Racing Pro LS Billet adjustable timing sets and gears provide maximum strength and reliability for your engine build. These single-row chains are precision-machined and available in standard, 0.005 under, and 0.010 under lengths for align-honed blocks. Summit Racing Pro LS Billet adjustable timing sets and gears work with 3-bolt performance cams and come in both 1x and 4x configurations to match any LS engine.

More product features include:

* Captured degree bushings that allow the cam to be advanced or retarded in two-degree increments
* The upper gears are compatible with factory LS2 timing chains