Light-weight and easy to carry

grease pack

a rigid shell (the dorsal) covering soft inside material in contact with the body (the airbag)

2016 POLARIS ACE 570

the spacer bushing is just a pipe for the oil to run through

Twin Air - Pre Oiled Air Filter for Honda CRF250/450 (TA150209X) K-Type-Cooling Fans Light-weight and easy to carryFrom everyday riding to the most adverse conditions nature can dish out, you want engine protection you can count on. The Twin Air line of air filtration products will provide with maximum intake protection day in and day out. 1. Coarse open pore outer foam catches airborne dirt, grime and sand. 2. Fine open pore inner foam acts as a second filter to trap the smallest particles while ensuring maximum air passage. 3. Exclusively formulated adhesive