CNC-machined from 6061 T-6 billet aluminumBillet material provides extra strength and dimensional stability over a wide temperature range; is also free of voids which can cause leaks and oil...
Kits include four S&S adjustable pushrods or Quickee pushrods, four pushrod covers, O-ringsPushrods are manufactured from chromoly steel for superior strengthPushrod covers are...
High port flow gives great performance now, and more later when additional upgrades are doneHeads are fully assembled with springs and valvesCompression ratios vary depending on cylinder heads...