OEM Nissan RWD SR20DET Timing Chain

OEM SR20DET Timing Chain The oem SR20DET Timing Chain is a no-brainer to replace when either doing a headgasket or oil pump. The timing chain takes a beating on SR's, especially if you are high-reving your motor during racing. Last thing you need is the chain to break and cause a huge loss in your pocket. Timing chains can stretch over time, causing too much play, which can wear timing chain guides rapidly or even cause the chain to snap. So next time you are working on your engine overhaul, think about investing in a new timing chain for a safe peice of mind.