The IWIS Pro Series is a heavy duty timing chain for LS1, LS2, LS3, LS6, LS7, LS9, or LSA Gen III and Gen IV GM engines. This chain is more durable than the factory and most after market chains.
The IWIS Pro Series is a heavy duty timing chain for LS1, LS2, LS3, LS6, LS7, LS9, or LSA Gen III and Gen IV GM engines. This chain is more durable than the factory and most after market chains.