Reviewed By Patrick J (Worden, IL) Reviewed for a 2009 Chevy Silverado —2/27/2015 4:04 AM
I am surprised this made as big a difference as it did.. But I am happy with the performace to say the least!!! Great product!!! I have 161K miles on my truck and it runs like a brand new truck.. since I replaced the collasped lifter!!!!!