T&D Machine Rocker Arm 1.75 Ratio 1.650 Long On-Center — Fits Big Block Chevy

SKU: BJJD_14-1210-175
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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.

T&D Machine 1.75 Ratio Shaft Mount Rocker Arm

Take your Big Block Chevy performance to the next level with the T&D Machine 1.75 ratio rocker arm. This 1.650-inch long unit features an on-center, short tail design, providing the perfect balance of strength and geometry for high-output engines. Engineered for those who demand the most from their valvetrain, these full roller rockers ensure smooth, consistent valve actuation even under the most demanding racing conditions.

Technical Specifications

  • Ratio: 1.75
  • Length: 1.650 inches
  • Design: On-center short tail
  • Material: High-grade aluminum
  • Type: Shaft mount full roller
  • Fitment: Big Block Chevy

The 1.75 ratio offers an excellent way to increase effective valve lift without needing to change your camshaft, providing a significant boost in airflow and power. T&D Machine's commitment to quality means each rocker is built to withstand extreme stress, preventing the common issues of flex and fatigue found in lesser components. The full roller tip reduces friction at the valve stem, which not only frees up horsepower but also reduces wear on your valve guides and springs. This is an essential component for any serious engine builder looking to optimize their Big Block Chevy for the track. Experience the difference that precision engineering makes in your next build. Find all your high-performance automotive needs at 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.

T&D Machine 1.75 Ratio Shaft Mount Rocker Arm

Take your Big Block Chevy performance to the next level with the T&D Machine 1.75 ratio rocker arm. This 1.650-inch long unit features an on-center, short tail design, providing the perfect balance of strength and geometry for high-output engines. Engineered for those who demand the most from their valvetrain, these full roller rockers ensure smooth, consistent valve actuation even under the most demanding racing conditions.

Technical Specifications

  • Ratio: 1.75
  • Length: 1.650 inches
  • Design: On-center short tail
  • Material: High-grade aluminum
  • Type: Shaft mount full roller
  • Fitment: Big Block Chevy

The 1.75 ratio offers an excellent way to increase effective valve lift without needing to change your camshaft, providing a significant boost in airflow and power. T&D Machine's commitment to quality means each rocker is built to withstand extreme stress, preventing the common issues of flex and fatigue found in lesser components. The full roller tip reduces friction at the valve stem, which not only frees up horsepower but also reduces wear on your valve guides and springs. This is an essential component for any serious engine builder looking to optimize their Big Block Chevy for the track. Experience the difference that precision engineering makes in your next build. Find all your high-performance automotive needs at 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.

T&D Machine 1.75 Ratio Shaft Mount Rocker Arm

Take your Big Block Chevy performance to the next level with the T&D Machine 1.75 ratio rocker arm. This 1.650-inch long unit features an on-center, short tail design, providing the perfect balance of strength and geometry for high-output engines. Engineered for those who demand the most from their valvetrain, these full roller rockers ensure smooth, consistent valve actuation even under the most demanding racing conditions.

Technical Specifications

  • Ratio: 1.75
  • Length: 1.650 inches
  • Design: On-center short tail
  • Material: High-grade aluminum
  • Type: Shaft mount full roller
  • Fitment: Big Block Chevy

The 1.75 ratio offers an excellent way to increase effective valve lift without needing to change your camshaft, providing a significant boost in airflow and power. T&D Machine's commitment to quality means each rocker is built to withstand extreme stress, preventing the common issues of flex and fatigue found in lesser components. The full roller tip reduces friction at the valve stem, which not only frees up horsepower but also reduces wear on your valve guides and springs. This is an essential component for any serious engine builder looking to optimize their Big Block Chevy for the track. Experience the difference that precision engineering makes in your next build. Find all your high-performance automotive needs at GGCRACING.

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