292°/302° pro-import drag racing cams to suit extreme boost, high rpm engines running alcohol fuel. 80mm+ turbocharger. Shimless buckets such as KCF-202 are preferred for these cams. Cylinder head may require machining for clearance of high lift cam lobes. Kelford Cams recommend valve spring KVS02-BT._x000D_\n _x000D_\n
