Dart Pro1 180 LT1 Aluminum Heads
When looking for low rpm torque, you want a head with good port velocity. The Dart 180cc Pro 1 LT1 is the optimum choice. This head comes set up for use with a roller cam, the 1.437" dia. double spring provides 335lbs. of open pressure and 130lbs. on the seat and is good to .625" lift. The 58cc combustion chamber delivers uninhibited flame travel. 2.02" and 1.6" stainless valves sit on a 5 angle seat. The intake port is masterfully designed for maximum velocity, making these heads a great performance upgrade for the Gen II engines. Sold in pairs.