Allstar Performance Exhaust Block Off Plates Aluminum — Big Block Chevy

SKU: DNLF_ALL34219
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About Allstar Performance Allstar Performance is America's leading circle-track racing ...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 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

Heavy-Duty Protection for Big Block Chevy Engines

The Allstar Performance Exhaust Block Off Plates (ALL34219) offer superior protection for your Big Block Chevy (BBC) engine. Crafted from high-quality, durable aluminum, these plates are designed to seal the exhaust ports completely, preventing dirt, debris, and moisture from entering your cylinder heads during engine storage, transport, or while the headers are removed for service.

Product Highlights

  • Application: Big Block Chevy (BBC)
  • Material: Lightweight Aluminum
  • Finish: Natural Aluminum
  • Quantity: Sold as a Pair
  • Design: 1-Piece Construction

These aluminum plates are built to last, offering a rigid and secure fit that stands up to the demands of a busy race shop. The natural aluminum finish is both functional and clean, providing a professional look while ensuring your ports remain pristine. Whether you are prepping for the off-season or performing a mid-season header swap, these block-off plates are a must-have for any serious engine builder. Their robust construction ensures they won't warp or crack, providing peace of mind that your internal engine components are shielded from the elements. By investing in quality protection, you avoid costly engine repairs caused by foreign object ingestion. Discover the full range of professional-grade engine protection and performance parts available 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

Heavy-Duty Protection for Big Block Chevy Engines

The Allstar Performance Exhaust Block Off Plates (ALL34219) offer superior protection for your Big Block Chevy (BBC) engine. Crafted from high-quality, durable aluminum, these plates are designed to seal the exhaust ports completely, preventing dirt, debris, and moisture from entering your cylinder heads during engine storage, transport, or while the headers are removed for service.

Product Highlights

  • Application: Big Block Chevy (BBC)
  • Material: Lightweight Aluminum
  • Finish: Natural Aluminum
  • Quantity: Sold as a Pair
  • Design: 1-Piece Construction

These aluminum plates are built to last, offering a rigid and secure fit that stands up to the demands of a busy race shop. The natural aluminum finish is both functional and clean, providing a professional look while ensuring your ports remain pristine. Whether you are prepping for the off-season or performing a mid-season header swap, these block-off plates are a must-have for any serious engine builder. Their robust construction ensures they won't warp or crack, providing peace of mind that your internal engine components are shielded from the elements. By investing in quality protection, you avoid costly engine repairs caused by foreign object ingestion. Discover the full range of professional-grade engine protection and performance parts available 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

Heavy-Duty Protection for Big Block Chevy Engines

The Allstar Performance Exhaust Block Off Plates (ALL34219) offer superior protection for your Big Block Chevy (BBC) engine. Crafted from high-quality, durable aluminum, these plates are designed to seal the exhaust ports completely, preventing dirt, debris, and moisture from entering your cylinder heads during engine storage, transport, or while the headers are removed for service.

Product Highlights

  • Application: Big Block Chevy (BBC)
  • Material: Lightweight Aluminum
  • Finish: Natural Aluminum
  • Quantity: Sold as a Pair
  • Design: 1-Piece Construction

These aluminum plates are built to last, offering a rigid and secure fit that stands up to the demands of a busy race shop. The natural aluminum finish is both functional and clean, providing a professional look while ensuring your ports remain pristine. Whether you are prepping for the off-season or performing a mid-season header swap, these block-off plates are a must-have for any serious engine builder. Their robust construction ensures they won't warp or crack, providing peace of mind that your internal engine components are shielded from the elements. By investing in quality protection, you avoid costly engine repairs caused by foreign object ingestion. Discover the full range of professional-grade engine protection and performance parts available at GGCRACING.

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