Naturally Aspirated racing engines with increased compression, mildly ported cylinder head and well designed intake and exhaust system. More top end power than the 194-B cam, pulling to around 9-9.5k rpm depending on engine. Great for circuit racing or rally with close ratio gearbox.

Notes:

• Recommends VVT delete on intake, using adjustable gears for fixed timing
• Kelford Cams recommends KVS51-B valve spring upgrade.