T&D Machine SportComp 1.75 Ratio LH Offset Rocker Arm — Fits Big Block Chevy

SKU: BJJD_14-1291-175
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About T&D Machine T&D Machine engineers high-quality automotive parts and ...Read More

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Sale price$135.00
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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.

Precision Valvetrain Geometry

Achieve perfect valve actuation with the T&D Machine SportComp 1.75 Ratio Left-Hand Offset Rocker Arm. Engineered specifically for Big Block Chevy engines requiring offset geometry, this shaft-mount rocker provides the stability needed for high-performance builds. By correcting the rocker-to-valve alignment, you ensure even load distribution and reduced wear on your valve train components.

Key Features and Benefits

  • Application: Big Block Chevy (BBC)
  • Offset: Left-Hand (LH)
  • Ratio: 1.75
  • Construction: Lightweight, high-strength aluminum
  • Stability: Shaft-mount design prevents stud flex
  • Efficiency: Full roller tip reduces friction

The SportComp series is the gold standard for builders who refuse to compromise on valvetrain integrity. The .170 LH offset is critical for specific cylinder head configurations, ensuring that the roller tip remains centered on the valve stem throughout the lift cycle. This precision reduces side-loading, which is a primary cause of premature valve guide failure in high-output engines. The full roller design also helps lower operating temperatures by decreasing friction, allowing your engine to rev more freely and reliably. Whether you are tuning for the track or the street, these rockers provide the structural support necessary for aggressive camshaft profiles. When you choose T&D Machine components, you are investing in decades of racing heritage and engineering excellence. Improve your engine's efficiency and longevity with this premium rocker arm 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.

Precision Valvetrain Geometry

Achieve perfect valve actuation with the T&D Machine SportComp 1.75 Ratio Left-Hand Offset Rocker Arm. Engineered specifically for Big Block Chevy engines requiring offset geometry, this shaft-mount rocker provides the stability needed for high-performance builds. By correcting the rocker-to-valve alignment, you ensure even load distribution and reduced wear on your valve train components.

Key Features and Benefits

  • Application: Big Block Chevy (BBC)
  • Offset: Left-Hand (LH)
  • Ratio: 1.75
  • Construction: Lightweight, high-strength aluminum
  • Stability: Shaft-mount design prevents stud flex
  • Efficiency: Full roller tip reduces friction

The SportComp series is the gold standard for builders who refuse to compromise on valvetrain integrity. The .170 LH offset is critical for specific cylinder head configurations, ensuring that the roller tip remains centered on the valve stem throughout the lift cycle. This precision reduces side-loading, which is a primary cause of premature valve guide failure in high-output engines. The full roller design also helps lower operating temperatures by decreasing friction, allowing your engine to rev more freely and reliably. Whether you are tuning for the track or the street, these rockers provide the structural support necessary for aggressive camshaft profiles. When you choose T&D Machine components, you are investing in decades of racing heritage and engineering excellence. Improve your engine's efficiency and longevity with this premium rocker arm 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.

Precision Valvetrain Geometry

Achieve perfect valve actuation with the T&D Machine SportComp 1.75 Ratio Left-Hand Offset Rocker Arm. Engineered specifically for Big Block Chevy engines requiring offset geometry, this shaft-mount rocker provides the stability needed for high-performance builds. By correcting the rocker-to-valve alignment, you ensure even load distribution and reduced wear on your valve train components.

Key Features and Benefits

  • Application: Big Block Chevy (BBC)
  • Offset: Left-Hand (LH)
  • Ratio: 1.75
  • Construction: Lightweight, high-strength aluminum
  • Stability: Shaft-mount design prevents stud flex
  • Efficiency: Full roller tip reduces friction

The SportComp series is the gold standard for builders who refuse to compromise on valvetrain integrity. The .170 LH offset is critical for specific cylinder head configurations, ensuring that the roller tip remains centered on the valve stem throughout the lift cycle. This precision reduces side-loading, which is a primary cause of premature valve guide failure in high-output engines. The full roller design also helps lower operating temperatures by decreasing friction, allowing your engine to rev more freely and reliably. Whether you are tuning for the track or the street, these rockers provide the structural support necessary for aggressive camshaft profiles. When you choose T&D Machine components, you are investing in decades of racing heritage and engineering excellence. Improve your engine's efficiency and longevity with this premium rocker arm from GGCRACING.

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