Genuine Honda K20 Timing Chain and Tensioner EP3 Type R
Genuine Honda OEM cam chain and tensioner. Over time the chains can stretch causing the ecu to throw a light. They often need to be replaced on engines that are nearing 100,000 miles or on engines that have spent their life bouncing off the rev limiter.
We’ve seen countless times EP3 Stretched Timing Chains that cause issues although normally not severe in our opinion it’s not worth the risk.