RCM Titanium Retainer V5+ Engine Blocks these pulleys are designed to

these pulleys are designed to withstand the demands of motorsport use while maintaining precise alignment and durability over extended operating cycles

These flaps only open one way

In the case of the boxer engine with its intercooler mounted under a bonnet scoop the ambient airflow speed is already struggling after doing a 90 degree turn through the scoop

Fitting a catch tank kit enables you to vent all excess vapours directly into a separate tank where the oil is then separated from the damp air before being returned directly back into the sump oil pan

RCM Titanium Retainer V5+ Engine Blocks these pulleys are designed toRCM Titanium retainers, for use with our own double valve springs and the later style buckets with intergrated shims. This is for a set of 16 retainers.