Roller Rockers?
You will need Narrow body center bolt. Iyou get no self alighning you will need guide plates.
Valve springs can be hard to pick sometimes. There are alot of diffrent brands. I would suggest a patriot spring myself. There is also beehive, comp cams ect... I would skip the lt4 Springs and get a better set.
http://www.alexsparts.com/products/L...%26-CUPS..html
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I have pro mags 1.6. Mr Faust If you want to be Mr. Bolt-on get 1.7s NSA and some good springs and associated hardware.
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That really depends on the motor. Some circumstances will show zero gain. Some will show adverse effects. I'd say for most 5whp is a good generic bet.


