Kelford Cams 304/314 | RB30 Solid Lifters Drag Racing - 226-ISNissan RB30 SOHC Solid Lifter Camshaft Part Number: 226 IS This cam is perfect for drag racing with its solid lifter design and ability to produce high RPM horsepower. It works best in competition engines that produce over 1000hp, have a 76mm or larger turbo, run on high stall, and or have nitrous. For fuel, we suggest using either an ethanol blend or methanol. Kelford Cams recommends pairing this cam with KVS226 T valve springs for optimal