These K20a - 24 racing cams feature 312°/306° duration and 13.50mm/12.20mm lift. They're engineered for ultimate racing. Ideal for built engines with ported heads, ITBs, and race plenums. They deliver super - strong mid - range power. You'll notice a rough idle on plenum manifolds. The primary/intermediate lobe specs are 256 & 266/254 degrees advertised duration with 10.0mm/8.60mm & 8.48mm lift.
To use these racing cams, first make sure your engine is built with ported heads, ITBs, and race plenums as they are designed for such setups. During installation, follow the manufacturer's guidelines carefully. When running the engine, expect a rough idle on plenum manifolds, which is normal for these high - performance cams. For maintenance, regularly check the cam lobes for wear. Use high - quality engine oil to keep the cams lubricated and reduce friction. If you notice any unusual noises or performance drops, have the cams inspected by a professional.
