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1G Recommended replacement valves

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Red Rider

10+ Year Contributor
103
47
Aug 12, 2009
NW, Connecticut
1990 GST, 155,000 miles, snapped timing belt, head at machine shop. All the valves impacted all the cylinders. Initially stay stock, then when everything is sorted out and running well take it to 300 hp max.

Which valves should I use? Reading what I could find on older posts, "Engnbldr" has retired. If I stay away from the cheapest valves, I have found so far (complete set prices):

Sealed Power $104
ITM $128
Supertech SS std size $274
+.5mm $250
GSC Std size $230

Thanks for your help
 
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