Dayco Polyrib Belt 6PK1840 Ultra-Select it opens at a lower

it opens at a lower temperature than the main thermostat and smoothes the warmup process

Vent valve: 46mm

It contains a full zinc anti-wear additive package combined with specialised rust inhibitors to provide optimum engine protection in marine and salt water environments

Available in a variety of finishes and specifications

Dayco Polyrib Belt 6PK1840 Ultra-Select it opens at a lowerThe grooved design of the Dayco polyrib belt provides flexural stress relief for increased flexibility in both normal and backside bending. The grooves also render the belt less susceptible to environmental factors, such as dust and splash induced slip. Daycos superior manufacturing technology uses rubber impregnated fabric backing that maximizes load carrying capability and minimises noise often associated with other belt brands. The cord is