Subframe Collar Kits - 02-11 Civic / RSX / Fit
Subframe Collar Kits - 02-11 Civic / RSX / Fit
Subframe Collar Kits - 02-11 Civic / RSX / Fit
Click to zoom in

BLOX Racing 02-05 Honda Civic EP3 / 06-11 Civic FD/FG / 02-06 Acura RSX DC5 Subframe Hard Collar Kit

BLOX Racing
BLOBXSS-20603
BXSS-20603
Suspension Arms & Components
20+ Units In Stock - Ships Next Business Day
$ 144.00
$ 144.00

SKU: BXSS-20603

BLOX Racing 02-05 Honda Civic EP3 / 06-11 Civic FD/FG / 02-06 Acura RSX DC5 Subframe Hard Collar Kit

BLOX Racing subframe hard collar kits feature case-hardened steel collars that install directly onto the front subframe mounting points. Designed for 02-05 Honda Civic Si EP3, 06-11 Civic models, 02-06 Acura RSX Base and Type-S, plus 07-08 Honda Fit. These collars lock out movement between the subframe and chassis for precise suspension response and enhanced cornering stability.

Key Features

  • Case-Hardened Steel Construction: Provides maximum strength and durability to withstand high-stress track and street use without deforming.
  • Precision CNC Machined: Ensures perfect fitment on OEM subframe bolts, preventing any slop or flex during aggressive driving.
  • Bolt-On Installation: No welding or chassis modifications required, installs in under 30 minutes with basic tools.
  • Four-Collar Design: Secures all front subframe mounts to maintain alignment and reduce unwanted movement.
  • Black Oxide Finish: Resists corrosion and matches factory appearance for a clean undercarriage look.

Product Notes

  • Inspect subframe bolts for wear before installation and replace if damaged.
  • Use thread locker on bolts during assembly to prevent loosening over time.
  • Ships in protective packaging to avoid damage in transit.

Installation Notes

  • Professional installation recommended.
  • Torque subframe bolts to factory specifications after collar installation.
  • Compatible with OEM hardware. no additional parts needed.

This Part Fits

Year Make Model Submodel
2002-2005 Honda Civic Si
2006-2011 Honda Civic DX
2006-2011 Honda Civic EX
2009-2011 Honda Civic EX-L
2006-2011 Honda Civic GX
2006-2011 Honda Civic Hybrid
2009-2011 Honda Civic Hybrid-L
2006-2011 Honda Civic LX
2008 Honda Civic MUGEN Si
2006-2011 Honda Civic Si
2007-2008 Honda Fit Base
2007-2008 Honda Fit Sport
2002-2006 Acura RSX Base
2002-2006 Acura RSX Type-S

Why Choose BLOX Racing?

  • Established leader in Honda and Acura performance parts since 2004.
  • Engineered with input from track enthusiasts for real-world durability.
  • Every component undergoes rigorous quality control for consistent performance.

Frequently Asked Questions

  • Q: Will this fit my 2004 Acura RSX Type-S?
    A: Yes, BXSS-20603 fits all 2002-2006 Acura RSX Base and Type-S models directly with no modifications.
  • Q: What material are the collars made from?
    A: Case-hardened steel for superior strength and long-term resistance to wear under high loads.
  • Q: Is professional installation required?
    A: Bolt-on design allows DIY install, but professional help ensures proper torque and alignment.

Shipping & Handling

  • Method: UPS Ground or USPS Priority
  • Availability: In stock - ships same or next business day
  • Packaging: Compact box measuring 6 x 4 x 2 inches
  • Weight: 1.1 lbs

Request For Information

Have questions about ? Fill out the form below and we'll get back to you by the next business day.
BLOX Racing

BLOX Racing

BLOX Racing has built a strong following in the import and sport compact community since 2003 by delivering parts that meet or exceed OEM quality standards at prices that make building accessible. Every BLOX product is designed with ISO 9001-certified manufacturing processes and subjected to rigorous testing before release, ensuring fitment and reliability that matches the performance they advertise. Popular Upgrades BLOX Racing intake manifolds and throttle bodies are popular for Honda, Acura, and other sport compact platforms, delivering improved airflow and throttle response over stock components. Suspension components including adjustable end links, sway bars, and pillow ball mounts allow precise handling tuning for street and autocross use. Engine hardware — cam gears, valve train components, and timing chain kits — rounds out the BLOX catalog for builders pushing beyond stock engine parameters. What platforms does BLOX Racing support? BLOX Racing focuses primarily on Honda, Ac...

View BLOX Racing Products
Suspension

Suspension

Aftermarket suspension systems improve handling, ride quality, and ride height adjustment beyond what the factory suspension provides. From lowering springs and coilover kits for sport handling to lift kits and leveling kits for truck and SUV off-road capability, quality suspension components transform how a vehicle rides and handles. Popular Suspension Upgrades Popular suspension upgrades include coilover kits for adjustable ride height and damping, sport lowering springs for improved handling and reduced body roll, performance shock absorbers and strut assemblies, sway bar and end link upgrade kits, subframe brace kits, and complete suspension packages for lifted trucks and off-road SUVs. Alignment kits including camber bolts and camber arms are also frequently ordered after ride height changes. What is the difference between coilovers and lowering springs? Coilovers are complete shock and spring assemblies with adjustable ride height set by threading the spring perch on the shock...

View Suspension Products
Suspension Arms & Components

Suspension Arms & Components

Suspension arms and components include the control arms, camber adjustment arms, traction bars, toe arms, and tie rod assemblies that define suspension geometry and connect the wheel hubs to the vehicle chassis. Quality suspension arm upgrades correct geometry on modified vehicles and replace worn factory components to restore precise handling. Popular Suspension Arm Upgrades Popular suspension arm upgrades include adjustable rear camber arm kits for correcting camber on lowered vehicles, rear traction arm replacement kits, tubular front lower control arms for improved geometry and clearance, adjustable toe arm kits, upgraded tie rod ends with improved ball joint construction, and full rear suspension arm upgrade packages for popular sport and performance platforms. Why do lowered vehicles need adjustable suspension arms? Lowering a vehicle changes the geometry of the suspension arms relative to the factory-intended range of motion, introducing excessive negative camber in the rear ...

View Suspension Arms & Components Products
Military & First Responder Discounts

Military & First Responder Discount Program

Black Ops Auto Works proudly honors active duty military, veterans, National Guard, reserves, police officers, firefighters, and EMTs with an exclusive 5% discount on all performance parts and carbon fiber upgrades. Verify instantly and start saving today.

Learn More & Apply

Your cart

×