(1) Replaces the oem lower chain guide.
(2) Prevents timing chain slippage off the crank pulley chain gear when performing a cam swap.
If you're a k-series head, you know about the keeping the timing chain held up when performing a cam swap and how much of a pain it is when it does slip
Fits both K20 and K24 engines
Prevents timing chain from skipping teeth
Secures chain in case of timing tensioner failure
Easy bolt-in application, once oil pan is removed
Premium 6061 1-piece aluminum, CNC finished, Black Anodized
Premium mounting hardware included