Up for sale is a like new set of Rocket Motorsports Dual Rate Valve Springs and Titanium Retainers. These are super light, made to withstand high RPM's, and very god quality. This company is well known across Honda Tech and are highly recommended by many All motor people I had plans to build the head on my car but decided otherwise due to leaving for college very soon. These Only have 250 miles on them and are in like new condtion. Im asking $275obo as these retail for $500 new. You can contact me at 502-551-4291. Located in Jeffersonville Indiana. Thanks