Allstar Performance Exhaust Block Off Plates 23 Deg — Small Block Chevy

SKU: DNLF_ALL34213
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About Allstar Performance Allstar Performance is America's leading circle-track racing ...Read More

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Sale price$19.99
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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

Protect Your Engine Ports with Precision

The Allstar Performance Exhaust Block Off Plates are essential tools for any engine builder or racer. Specifically designed for 23-degree cylinder heads found on Small Block Chevy engines, these plates provide a secure seal for your exhaust ports. Whether you are transporting your engine, performing maintenance, or storing a block for the off-season, these plates prevent debris, moisture, and contaminants from entering the combustion chamber.

Engineered for Performance

  • Compatibility: Perfectly fits 23-degree Small Block Chevy heads.
  • Material: Durable 1/4-inch thick plastic construction.
  • Design: One-piece design for a secure, flush fit.
  • Quantity: Sold as a pair for complete coverage.
  • Finish: Sleek black finish for a professional look.

Using these block-off plates is the most effective way to safeguard your engine's internal components during downtime. The 1/4-inch thick plastic is lightweight yet strong enough to withstand the rigors of a shop environment without scratching your cylinder head surfaces. By keeping your exhaust ports sealed, you ensure that your engine remains clean and ready for the next race. Don't risk engine damage due to foreign objects; invest in high-quality protection from 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

Protect Your Engine Ports with Precision

The Allstar Performance Exhaust Block Off Plates are essential tools for any engine builder or racer. Specifically designed for 23-degree cylinder heads found on Small Block Chevy engines, these plates provide a secure seal for your exhaust ports. Whether you are transporting your engine, performing maintenance, or storing a block for the off-season, these plates prevent debris, moisture, and contaminants from entering the combustion chamber.

Engineered for Performance

  • Compatibility: Perfectly fits 23-degree Small Block Chevy heads.
  • Material: Durable 1/4-inch thick plastic construction.
  • Design: One-piece design for a secure, flush fit.
  • Quantity: Sold as a pair for complete coverage.
  • Finish: Sleek black finish for a professional look.

Using these block-off plates is the most effective way to safeguard your engine's internal components during downtime. The 1/4-inch thick plastic is lightweight yet strong enough to withstand the rigors of a shop environment without scratching your cylinder head surfaces. By keeping your exhaust ports sealed, you ensure that your engine remains clean and ready for the next race. Don't risk engine damage due to foreign objects; invest in high-quality protection from 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

Protect Your Engine Ports with Precision

The Allstar Performance Exhaust Block Off Plates are essential tools for any engine builder or racer. Specifically designed for 23-degree cylinder heads found on Small Block Chevy engines, these plates provide a secure seal for your exhaust ports. Whether you are transporting your engine, performing maintenance, or storing a block for the off-season, these plates prevent debris, moisture, and contaminants from entering the combustion chamber.

Engineered for Performance

  • Compatibility: Perfectly fits 23-degree Small Block Chevy heads.
  • Material: Durable 1/4-inch thick plastic construction.
  • Design: One-piece design for a secure, flush fit.
  • Quantity: Sold as a pair for complete coverage.
  • Finish: Sleek black finish for a professional look.

Using these block-off plates is the most effective way to safeguard your engine's internal components during downtime. The 1/4-inch thick plastic is lightweight yet strong enough to withstand the rigors of a shop environment without scratching your cylinder head surfaces. By keeping your exhaust ports sealed, you ensure that your engine remains clean and ready for the next race. Don't risk engine damage due to foreign objects; invest in high-quality protection from GGCRACING.

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