BLOX Racing subframe hard collar kits are easy to install and provide immediate improvements to the chassis. 

Installing the hard collar kit will help eliminate any play between the chassis and subframe, thus increasing vehicle stability and suspension precision. 

Vehicle Applications

• 02-05 Honda Civic Si Hatchback 
• 06-11 Honda Civic Coupe/Sedan
• 02-06 Acura RSX base & Type-S
• 07-08 Honda Fit
  

Installation Guide / Product Spec Sheet