Allstar Performance Exhaust Block Off Plates 1-Piece — Fits GM LS Engines

SKU: DNLF_ALL34218
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About Allstar Performance Allstar Performance is America's leading circle-track racing ...Read More

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Sale price$20.99
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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 Allstar Performance

Allstar Performance is America's leading circle-track racing parts manufacturer. From aluminum panels and chassis components to brake hardware, steering boxes, and oval-track shock packages — every Allstar product is born from sprint car and modified racing experience.

Watch in action

Professional-Grade Exhaust Port Protection for GM LS Engines

Prevent debris, moisture, and contaminants from entering your GM LS-series engine during storage or transport with these Allstar Performance exhaust block-off plates. These 1-piece aluminum plates are precision-machined to provide a secure seal over your exhaust ports. Whether you are between race weekends or performing a major engine overhaul, keeping your internal engine components clean is vital for long-term performance and reliability.

Product Highlights

  • Compatibility: Specifically designed for GM LS-Series engines.
  • Material: High-quality, durable aluminum construction.
  • Design: 1-piece plate for a secure and easy fit.
  • Protection: Keeps ports free from dirt, dust, and debris.
  • Quantity: Sold as a pair to cover both sides of the engine.

Don't leave your engine vulnerable. These block-off plates are an essential tool for any engine builder or racer who values precision and cleanliness. The natural aluminum finish is both functional and aesthetically clean, making it easy to identify that your ports are sealed. By investing in these simple yet effective plates, you protect your investment from costly damage caused by foreign objects. Shop the full range of engine-related tools and accessories at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Allstar Performance

Allstar Performance is America's leading circle-track racing parts manufacturer. From aluminum panels and chassis components to brake hardware, steering boxes, and oval-track shock packages — every Allstar product is born from sprint car and modified racing experience.

Watch in action

Professional-Grade Exhaust Port Protection for GM LS Engines

Prevent debris, moisture, and contaminants from entering your GM LS-series engine during storage or transport with these Allstar Performance exhaust block-off plates. These 1-piece aluminum plates are precision-machined to provide a secure seal over your exhaust ports. Whether you are between race weekends or performing a major engine overhaul, keeping your internal engine components clean is vital for long-term performance and reliability.

Product Highlights

  • Compatibility: Specifically designed for GM LS-Series engines.
  • Material: High-quality, durable aluminum construction.
  • Design: 1-piece plate for a secure and easy fit.
  • Protection: Keeps ports free from dirt, dust, and debris.
  • Quantity: Sold as a pair to cover both sides of the engine.

Don't leave your engine vulnerable. These block-off plates are an essential tool for any engine builder or racer who values precision and cleanliness. The natural aluminum finish is both functional and aesthetically clean, making it easy to identify that your ports are sealed. By investing in these simple yet effective plates, you protect your investment from costly damage caused by foreign objects. Shop the full range of engine-related tools and accessories at GGCRACING.

Product Details

Product Description

About Allstar Performance

Allstar Performance is America's leading circle-track racing parts manufacturer. From aluminum panels and chassis components to brake hardware, steering boxes, and oval-track shock packages — every Allstar product is born from sprint car and modified racing experience.

Watch in action

Professional-Grade Exhaust Port Protection for GM LS Engines

Prevent debris, moisture, and contaminants from entering your GM LS-series engine during storage or transport with these Allstar Performance exhaust block-off plates. These 1-piece aluminum plates are precision-machined to provide a secure seal over your exhaust ports. Whether you are between race weekends or performing a major engine overhaul, keeping your internal engine components clean is vital for long-term performance and reliability.

Product Highlights

  • Compatibility: Specifically designed for GM LS-Series engines.
  • Material: High-quality, durable aluminum construction.
  • Design: 1-piece plate for a secure and easy fit.
  • Protection: Keeps ports free from dirt, dust, and debris.
  • Quantity: Sold as a pair to cover both sides of the engine.

Don't leave your engine vulnerable. These block-off plates are an essential tool for any engine builder or racer who values precision and cleanliness. The natural aluminum finish is both functional and aesthetically clean, making it easy to identify that your ports are sealed. By investing in these simple yet effective plates, you protect your investment from costly damage caused by foreign objects. Shop the full range of engine-related tools and accessories at GGCRACING.

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