292°/302° pro-import drag racing cams to suit extreme boost, high rpm 1JZ-GTE non vvti engine running alcohol fuel. 80mm+ turbocharger. Shimless buckets such as KCF-229 are preferred for these cams. Cylinder head may require machining for clearance of high lift cam lobes. Kelford Cams recommend valve spring KVS109-1JZ-T._x000D_\n _x000D_\n
