When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
I'd put a set of PAC 1211X beehive springs in it, then get it dyno tuned and have the tuner set the rev limiter to 500rpm above peak HP, unless of course they see noticeable signs of valve float before 500rpm above the peak HP.