The Texas Speed 220/220 .600/.600 Camshaft The 220R camshafts use lobes that are designed to be both beehive & double valve spring friendly. 1200-6200 RPM Power Band This is an excellent performance camshaft with a smooth idle in 346cid and larger motors! We've had tons of customers select this camshaft when looking for a cam that drives almost stock, and can be practically hidden with some exhaust systems! If your looking for a small stealth camshaft the 220R is a great option to consider. The idle is much more aggressive in 4.8/5.3 applications but still retains great street manners. This camshaft is a great choice for daily driven LSx Trucks wanting a lopey idle. It even works with stock torque converters. Custom tuning for automatic cars required! This camshaft typically gains approximately 30-35rwhp!