SH oil thermostat
all R2V models
Regulates the temperature of the engine oil (starts to open at 90°C / 194°F, fully open at 110°C/230°F). 
Engine reaches normal operating temperature faster.
 Oil cooler kit
2V boxer R80G/S, R80GS to R100GS...
 
Oil filter pipe long, for 2 valve boxer models with oil...
 
Oil filter head, with connecting ports for oil cooler...