GM LS Timing Chain Sets ~ Which One Do I Need?

The LS Platform can be confusing sometimes when it comes to getting replacement or performance parts. The timing chain sets are one of these parts that can sometimes confuse the buyer as there are a few different cam gear options. 

So which timing set do I need?

Below we break it down for you. 

This photo reveals the four different Gen III/IV cam gears.

- The Number 1 gear is an early Gen III LS1 LS6 5.7L with three attaching bolts suits Holden Commodore VT VU VX VY VZ LS1 5.7L V8. The LS1 cam position sensor is at the rear (closest to firewall). We carry the Rollmaster red series timing chain sets . Single row set, Double row set

- The Number 2 is an LS2 Gen III 6.0L 1x trigger for 24x Reluctor engines with three attaching bolts suits Holden Commodore VZ LS2 6.0L V8. The LS2 cam position sensor is at the front on the timing cover. We carry the Rollmaster red series timing chain sets . Single row set, Double row set

- The Number 3 gear is a three-bolt, later LS2 6.0L & LS3 6.2L 4X trigger required for 58x reluctor Gen IV engines. This kit suits factory 3 bolt cams and most aftermarket camshafts that use a 3 bolt gear. We carry the Rollmaster red series timing chain sets . Single row set, Double row set

- The Number 4 gear is a single-bolt 4X gear for 58x Gen IV 6.0L & 6.2L engines. This kit suits factory single bolt cams and aftermarket camshafts that use a single bolt gear. We carry the Rollmaster red series timing chain sets . Single row set, Double row set

Note: Modifications may be required to some timing covers / blocks when fitting double row timing chain sets.