Auto Racing Products Head Bolt Kit 6pt Chromoly — Fits Jeep 232/258 6cyl w/ 4.0L Head

SKU: BQDN_146-3603
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About Auto Racing Products ARP (Automotive Racing Products) makes the ...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 Auto Racing Products

ARP (Automotive Racing Products) makes the strongest fasteners in motorsport — head studs, main studs, rod bolts, and flexplate bolts used by every Formula 1, NHRA, NASCAR, and championship motorsport program. Aerospace-grade alloys, exact-fit machining.

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Ultimate Reliability for Jeep Inline-6 Builds

Ensure your Jeep 232 or 258 cubic inch engine stays sealed under pressure with the Auto Racing Products High Performance Cylinder Head Bolt Kit. Designed specifically for engines running a 4.0L cylinder head conversion, this kit provides the clamping force necessary to prevent head gasket failure during high-load scenarios. Engineered from premium 8740 chromoly steel, these bolts are heat-treated to provide superior tensile strength compared to standard OEM hardware.

Key Features and Technical Specifications

  • Material: 8740 Chromoly Steel for maximum fatigue resistance
  • Finish: Black Oxide coating to prevent corrosion
  • Head Style: 6-Point Hex Head for easy installation with standard tools
  • Application: Jeep 232/258 Inline-6 engines utilizing a 4.0L head
  • Kit Contents: Complete set of head bolts and washers

Whether you are building a trail-ready crawler or a performance street engine, these bolts offer the peace of mind that your cylinder head will remain securely fastened. The precision-rolled threads ensure consistent torque readings, allowing for accurate clamping force across the entire head surface. This kit is the gold standard for Jeep enthusiasts looking to eliminate common head gasket issues associated with engine modifications. Trust GGCRACING for all your high-performance engine fastener requirements.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Auto Racing Products

ARP (Automotive Racing Products) makes the strongest fasteners in motorsport — head studs, main studs, rod bolts, and flexplate bolts used by every Formula 1, NHRA, NASCAR, and championship motorsport program. Aerospace-grade alloys, exact-fit machining.

Watch in action

Ultimate Reliability for Jeep Inline-6 Builds

Ensure your Jeep 232 or 258 cubic inch engine stays sealed under pressure with the Auto Racing Products High Performance Cylinder Head Bolt Kit. Designed specifically for engines running a 4.0L cylinder head conversion, this kit provides the clamping force necessary to prevent head gasket failure during high-load scenarios. Engineered from premium 8740 chromoly steel, these bolts are heat-treated to provide superior tensile strength compared to standard OEM hardware.

Key Features and Technical Specifications

  • Material: 8740 Chromoly Steel for maximum fatigue resistance
  • Finish: Black Oxide coating to prevent corrosion
  • Head Style: 6-Point Hex Head for easy installation with standard tools
  • Application: Jeep 232/258 Inline-6 engines utilizing a 4.0L head
  • Kit Contents: Complete set of head bolts and washers

Whether you are building a trail-ready crawler or a performance street engine, these bolts offer the peace of mind that your cylinder head will remain securely fastened. The precision-rolled threads ensure consistent torque readings, allowing for accurate clamping force across the entire head surface. This kit is the gold standard for Jeep enthusiasts looking to eliminate common head gasket issues associated with engine modifications. Trust GGCRACING for all your high-performance engine fastener requirements.

Product Details

Product Description

About Auto Racing Products

ARP (Automotive Racing Products) makes the strongest fasteners in motorsport — head studs, main studs, rod bolts, and flexplate bolts used by every Formula 1, NHRA, NASCAR, and championship motorsport program. Aerospace-grade alloys, exact-fit machining.

Watch in action

Ultimate Reliability for Jeep Inline-6 Builds

Ensure your Jeep 232 or 258 cubic inch engine stays sealed under pressure with the Auto Racing Products High Performance Cylinder Head Bolt Kit. Designed specifically for engines running a 4.0L cylinder head conversion, this kit provides the clamping force necessary to prevent head gasket failure during high-load scenarios. Engineered from premium 8740 chromoly steel, these bolts are heat-treated to provide superior tensile strength compared to standard OEM hardware.

Key Features and Technical Specifications

  • Material: 8740 Chromoly Steel for maximum fatigue resistance
  • Finish: Black Oxide coating to prevent corrosion
  • Head Style: 6-Point Hex Head for easy installation with standard tools
  • Application: Jeep 232/258 Inline-6 engines utilizing a 4.0L head
  • Kit Contents: Complete set of head bolts and washers

Whether you are building a trail-ready crawler or a performance street engine, these bolts offer the peace of mind that your cylinder head will remain securely fastened. The precision-rolled threads ensure consistent torque readings, allowing for accurate clamping force across the entire head surface. This kit is the gold standard for Jeep enthusiasts looking to eliminate common head gasket issues associated with engine modifications. Trust GGCRACING for all your high-performance engine fastener requirements.

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