TRZ Motorsports Anti-Roll Bar - Under Housing Mount - Axle Tube Mounts Included - Twin Tube (1977 - 1996 Impala / Caprice - B-Body) - 322-203-UHM-TT
Twin-Tube Under-Housing Anti-Roll Bar for 1977 - 1996 Impala & Caprice (B-Body)
The TRZ Motorsports 322-203-UHM-TT Anti-Roll Bar is the extreme-duty Twin Tube "Girth Brooks" version designed for the 1977 - 1996 Impala and Caprice B-body platform. Built for heavy, high-horsepower drag builds, this ARB provides maximum torsional stiffness, eliminating chassis twist and delivering even, consistent power transfer to both rear tires.
This under-housing system mounts directly to the axle tubes using the included weld-on brackets. The Twin Tube construction - featuring a 1.625" chrome-moly inner tube enclosed in a 2.25" chrome-moly outer tube - is engineered for extreme strength, making it ideal for big-power B-body applications.
CNC-machined billet steel arms and billet end caps ensure durability and smooth bar rotation under heavy load. TRZ presets the center-to-center link spacing for 1977 - 1996 B-body geometry and may contact you to confirm measurements as needed. The included HD unwelded links can be trimmed to your exact setup requirements.
If you're pushing serious horsepower through an Impala or Caprice, the Twin Tube ARB delivers the rigidity required for harder, straighter, and more repeatable launches.
Performance Highlights
- Twin Tube "Girth Brooks" construction for extreme torsional rigidity
- 1.625" inner + 2.25" outer chrome-moly tubes
- Under-housing mounted with weld-on axle tube brackets
- CNC-machined billet steel ARB arms
- Pre-set link spacing optimized for 1977 - 1996 B-body geometry
- Trim-to-length HD ARB links for custom fitment
- Includes billet end caps, ARB links, and complete hardware
- Eliminates chassis twist for straighter launches and improved traction
Quick Specs
- Vehicle Application: 1977 - 1996 Chevrolet Impala / Caprice
- ARB Style: Twin Tube "Girth Brooks"
- Main Tubes: 1.625" inner + 2.25" outer chrome-moly
- Mount Type: Under-housing with axle tube mounts included
- Arms: CNC-machined billet steel
- Includes: Axle brackets, ARB links, billet end caps, hardware
- Part Number: 322-203-UHM-TT
Fitment
- 1977 Chevrolet Impala
- 1978 Chevrolet Impala
- 1979 Chevrolet Impala
- 1980 Chevrolet Impala
- 1981 Chevrolet Impala
- 1982 Chevrolet Impala
- 1983 Chevrolet Impala
- 1984 Chevrolet Impala
- 1985 Chevrolet Impala
- 1986 Chevrolet Impala
- 1987 Chevrolet Impala
- 1988 Chevrolet Impala
- 1989 Chevrolet Impala
- 1990 Chevrolet Impala
- 1991 Chevrolet Impala
- 1992 Chevrolet Impala
- 1993 Chevrolet Impala
- 1994 Chevrolet Impala
- 1995 Chevrolet Impala
- 1996 Chevrolet Impala
- 1977 Chevrolet Caprice
- 1978 Chevrolet Caprice
- 1979 Chevrolet Caprice
- 1980 Chevrolet Caprice
- 1981 Chevrolet Caprice
- 1982 Chevrolet Caprice
- 1983 Chevrolet Caprice
- 1984 Chevrolet Caprice
- 1985 Chevrolet Caprice
- 1986 Chevrolet Caprice
- 1987 Chevrolet Caprice
- 1988 Chevrolet Caprice
- 1989 Chevrolet Caprice
- 1990 Chevrolet Caprice
- 1991 Chevrolet Caprice
- 1992 Chevrolet Caprice
- 1993 Chevrolet Caprice
- 1994 Chevrolet Caprice
- 1995 Chevrolet Caprice
- 1996 Chevrolet Caprice
Frequently Asked Questions
Who benefits most from the Twin Tube ARB?
Racers with high-horsepower B-body builds who need maximum rigidity and consistent rear tire loading.
Why mount the ARB under the housing?
It provides clean packaging, keeps the bar low, and offers strong suspension control without requiring a chassis crossmember.
Why Buy from Beefcake Racing?
Beefcake Racing delivers expert drag-racing support and verified TRZ components. For help choosing the best ARB for your Impala or Caprice, contact sales@beefcakeracing.com or call 1-855-827-7223.
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