BOURNE HPP K-SERIES FULL RACE CAMSHAFT SETUpgrade the performance of your K20 K24 with a set of Bourne HPP Performance high lift camshafts. These high lift Bourne HPP cams are an all out race cam capable of well over 300bhp on an N A build. Although the camshaft set is a little more expensive than others available on the market , it is we worth it. Making the most torque on both the K20 and K24 built bottom end engines. We regularly see well over 300bhp on a K24 Frankenstein engine and over