Schoenfeld Headers SBC IMCA Modified Headers 1-5/8"-1-3/4" Primary — Fits Small Block Chevy

SKU: BJHJ_161-98H
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About Schoenfeld Headers Schoenfeld Headers engineers high-quality automotive parts and ...Read More

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Sale price$295.99
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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 Schoenfeld Headers

Schoenfeld Headers engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Schoenfeld Headers lineup with fast shipping and expert fitment support — order with confidence.

Schoenfeld Headers IMCA Modified Headers for Small Block Chevy

Dominate the IMCA Modified scene with these specialized headers from Schoenfeld Headers, engineered for Small Block Chevy engines. These headers are designed to meet IMCA rules while maximizing performance for dirt track oval racing.

IMCA-Legal Performance Enhancements:

  • Primary Tube Sizing: Features stepped primary tubes ranging from 1.625 inches to 1.75 inches, optimized for the specific power band requirements of IMCA Modified racing.
  • Collector Diameter: A 3-inch collector is utilized to meet IMCA regulations while ensuring efficient exhaust flow.
  • Engine Fitment: Designed exclusively for Small Block Chevy engines.
  • Construction: Built from durable steel, capable of withstanding the demanding conditions of circle track racing.
  • Finish: Coated in black paint for a clean, race-ready appearance and basic protection.
  • Included: Comes complete with gaskets and all necessary hardware for a straightforward installation.
  • Configuration: Sold as a kit.

These Schoenfeld Headers are a top choice for IMCA Modified racers seeking a competitive advantage. The stepped primary design helps to improve exhaust scavenging and torque, particularly in the lower and mid-range RPMs, which are critical for maintaining speed on dirt ovals. The 3-inch collector is sized to comply with IMCA rules while still promoting effective exhaust gas expulsion. The 18-degree angle aids in optimizing flow characteristics within the tight confines of a modified chassis.

Ensure your Small Block Chevy is race-ready with the best components. Purchase your Schoenfeld Headers SBC IMCA Modified Headers from GGCRACING today.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Schoenfeld Headers

Schoenfeld Headers engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Schoenfeld Headers lineup with fast shipping and expert fitment support — order with confidence.

Schoenfeld Headers IMCA Modified Headers for Small Block Chevy

Dominate the IMCA Modified scene with these specialized headers from Schoenfeld Headers, engineered for Small Block Chevy engines. These headers are designed to meet IMCA rules while maximizing performance for dirt track oval racing.

IMCA-Legal Performance Enhancements:

  • Primary Tube Sizing: Features stepped primary tubes ranging from 1.625 inches to 1.75 inches, optimized for the specific power band requirements of IMCA Modified racing.
  • Collector Diameter: A 3-inch collector is utilized to meet IMCA regulations while ensuring efficient exhaust flow.
  • Engine Fitment: Designed exclusively for Small Block Chevy engines.
  • Construction: Built from durable steel, capable of withstanding the demanding conditions of circle track racing.
  • Finish: Coated in black paint for a clean, race-ready appearance and basic protection.
  • Included: Comes complete with gaskets and all necessary hardware for a straightforward installation.
  • Configuration: Sold as a kit.

These Schoenfeld Headers are a top choice for IMCA Modified racers seeking a competitive advantage. The stepped primary design helps to improve exhaust scavenging and torque, particularly in the lower and mid-range RPMs, which are critical for maintaining speed on dirt ovals. The 3-inch collector is sized to comply with IMCA rules while still promoting effective exhaust gas expulsion. The 18-degree angle aids in optimizing flow characteristics within the tight confines of a modified chassis.

Ensure your Small Block Chevy is race-ready with the best components. Purchase your Schoenfeld Headers SBC IMCA Modified Headers from GGCRACING today.

Product Details

Product Description

About Schoenfeld Headers

Schoenfeld Headers engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Schoenfeld Headers lineup with fast shipping and expert fitment support — order with confidence.

Schoenfeld Headers IMCA Modified Headers for Small Block Chevy

Dominate the IMCA Modified scene with these specialized headers from Schoenfeld Headers, engineered for Small Block Chevy engines. These headers are designed to meet IMCA rules while maximizing performance for dirt track oval racing.

IMCA-Legal Performance Enhancements:

  • Primary Tube Sizing: Features stepped primary tubes ranging from 1.625 inches to 1.75 inches, optimized for the specific power band requirements of IMCA Modified racing.
  • Collector Diameter: A 3-inch collector is utilized to meet IMCA regulations while ensuring efficient exhaust flow.
  • Engine Fitment: Designed exclusively for Small Block Chevy engines.
  • Construction: Built from durable steel, capable of withstanding the demanding conditions of circle track racing.
  • Finish: Coated in black paint for a clean, race-ready appearance and basic protection.
  • Included: Comes complete with gaskets and all necessary hardware for a straightforward installation.
  • Configuration: Sold as a kit.

These Schoenfeld Headers are a top choice for IMCA Modified racers seeking a competitive advantage. The stepped primary design helps to improve exhaust scavenging and torque, particularly in the lower and mid-range RPMs, which are critical for maintaining speed on dirt ovals. The 3-inch collector is sized to comply with IMCA rules while still promoting effective exhaust gas expulsion. The 18-degree angle aids in optimizing flow characteristics within the tight confines of a modified chassis.

Ensure your Small Block Chevy is race-ready with the best components. Purchase your Schoenfeld Headers SBC IMCA Modified Headers from GGCRACING today.

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