Why run 1.7 when you can run 1.8 roller rockers and get more Hp &ft pounds of torque
1.7 Chinese roller rockers only give you an extra 30 thousand lift compared to the 1.8 roller rocker wich is American built gives you 60 thousand more lift then stock 1.6 rockers
Morana racing did sell the 1.7 roller rockers for a few months until new Intel was gathered they discontinued the product and started to sell the 1.8 roller rockers wich were better quality and performance, and offer an American lifetime warrant.
listed here is a dyno test wich the facts
The reason for the product change was the history of the 1.7 Chinese roller rockers getting noisy around 15,000-18,000 miles.
if any one still is interested in the 1.7 roller rockers or 1.8 roller rockers and bolt on adjustable. they are available from an Americana company with a life time warranty Tom Morana Racing Engines
still has them for sale
A true Patriot would purchase and American product and be proud