Sherwood's E35 Crusader engine cooling pump fits engine models 220, 270, 300, and 350. It has a 1" NPT inlet port and 1" outlet port, and is designed for use with Sherwood's 10615K impeller kit. Made of cast bronze, this pump is designed to last, and can easily be serviced in the future using Sherwood's 10999 minor repair kit or 11068 major repair kit.