T&D Machine BBC Shaft Rocker Arm Kit 1.7/1.7 Ratio Full Roller — Fits Brodix 2X/2Xtra Big Block Chevy

SKU: BJJD_3104-170/170
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About T&D Machine T&D Machine engineers high-quality automotive parts and ...Read More

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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About T&D Machine

T&D Machine engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full T&D Machine lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Ultimate Valvetrain Stability for Brodix 2X Heads

The T&D Machine Shaft Rocker Arm Kit is the gold standard for Big Block Chevy engines utilizing Brodix 2X and 2Xtra cylinder heads. Designed for enthusiasts who demand reliability at high RPM, this shaft-mount system replaces traditional stud-mounted rockers to significantly reduce flex and improve valve train geometry. This ensures that your camshaft profile is fully realized, providing consistent lift and duration across the entire power band.

Technical Specifications

  • Ratio: 1.70/1.70 for optimized valve lift.
  • Material: High-strength aluminum for reduced reciprocating mass.
  • Design: Full roller needle-bearing tips for reduced friction.
  • Compatibility: Precision-machined for Brodix 2X and 2Xtra head configurations.

By upgrading to this T&D Machine kit, you are investing in the longevity of your engine. The shaft-mount design distributes stress more evenly across the cylinder head, preventing the common issues of stud breakage and rocker arm instability. This kit is a must-have for serious builders looking to push their BBC to the limit without sacrificing reliability. Each component is manufactured to exacting tolerances to ensure a perfect fit every time. Improve your engine's efficiency and power output with these premium components from GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About T&D Machine

T&D Machine engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full T&D Machine lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Ultimate Valvetrain Stability for Brodix 2X Heads

The T&D Machine Shaft Rocker Arm Kit is the gold standard for Big Block Chevy engines utilizing Brodix 2X and 2Xtra cylinder heads. Designed for enthusiasts who demand reliability at high RPM, this shaft-mount system replaces traditional stud-mounted rockers to significantly reduce flex and improve valve train geometry. This ensures that your camshaft profile is fully realized, providing consistent lift and duration across the entire power band.

Technical Specifications

  • Ratio: 1.70/1.70 for optimized valve lift.
  • Material: High-strength aluminum for reduced reciprocating mass.
  • Design: Full roller needle-bearing tips for reduced friction.
  • Compatibility: Precision-machined for Brodix 2X and 2Xtra head configurations.

By upgrading to this T&D Machine kit, you are investing in the longevity of your engine. The shaft-mount design distributes stress more evenly across the cylinder head, preventing the common issues of stud breakage and rocker arm instability. This kit is a must-have for serious builders looking to push their BBC to the limit without sacrificing reliability. Each component is manufactured to exacting tolerances to ensure a perfect fit every time. Improve your engine's efficiency and power output with these premium components from GGCRACING.

Product Details

Product Description

About T&D Machine

T&D Machine engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full T&D Machine lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Ultimate Valvetrain Stability for Brodix 2X Heads

The T&D Machine Shaft Rocker Arm Kit is the gold standard for Big Block Chevy engines utilizing Brodix 2X and 2Xtra cylinder heads. Designed for enthusiasts who demand reliability at high RPM, this shaft-mount system replaces traditional stud-mounted rockers to significantly reduce flex and improve valve train geometry. This ensures that your camshaft profile is fully realized, providing consistent lift and duration across the entire power band.

Technical Specifications

  • Ratio: 1.70/1.70 for optimized valve lift.
  • Material: High-strength aluminum for reduced reciprocating mass.
  • Design: Full roller needle-bearing tips for reduced friction.
  • Compatibility: Precision-machined for Brodix 2X and 2Xtra head configurations.

By upgrading to this T&D Machine kit, you are investing in the longevity of your engine. The shaft-mount design distributes stress more evenly across the cylinder head, preventing the common issues of stud breakage and rocker arm instability. This kit is a must-have for serious builders looking to push their BBC to the limit without sacrificing reliability. Each component is manufactured to exacting tolerances to ensure a perfect fit every time. Improve your engine's efficiency and power output with these premium components from GGCRACING.

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