Hey, While surfing the web, I stumbled upon
http://www.malvernracing.com/showcase.html
They advertise the following
Custom built Roller tipped Aluminum rockers for Nissan R-16, A-12 through
A-15 engines, and Triumph Spitfire/GT-6/TR-6 engines.
All are available in four different ratios 1.5 through 1.65.
And
Steel heat treated lightweight lifters for R-16, and A series Nissan engines
designed for race camshaft use.
>From what I understand, roller rockers are desired for they take some of the
drag out of the valve train. Is there any benefit to a hot tuned street
engine?
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