• sold in 4 packs 
• 1inch used for radiator that bolts onto the blow shield
• 3/4 inch used for trans cooler 
• 1/2 inch used for rear radiators 
•Cylindrical Rubber Isolator Mounts Shock Absorber Anti Vibration Mount 
•1/4 Shock Absorption Mount w/Threaded Stud Vibration Isolator