These IK 180 & 200 heads are the most affordable high quality aluminum cylinder heads on the market and offer the only two things that matter... performance and price!
The features for the IK 180 / 200 include a revolutionary ultra casting, versatile 180 cc or 200 cc intake ports that are specifically designed for optimum versatility, and 64 cc or 70 cc combustion chambers that allow the use of several types of fuels. They flow 245 cfm & 261 cfm at .600 lift. Assemblies come with 1.250 single springs for hyd cams of .525 max lift or 1.470 dual springs for hyd roller cams with .575 max lift, steel retainers, 7 deg locks, 3/8 rocker studs and 5/16 push rod guide plates
Standard features are A-356 virgin aluminum alloy, phosphorous bronze valve guides, valve seats for use with unleaded fuel, ends milled and drilled for accessories, and straight spark plugs.