ARP Head Bolt Kit 12-Point 8740 Chromoly — Fits Chevrolet Small Block LSA

SKU: ARP234-3726
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About ARP ARP (Automotive Racing Products) makes the strongest fasteners ...Read More

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Sale price$171.99
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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 ARP

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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Superior Clamping for LSA Engines

The ARP 12-Point Head Bolt Kit (234-3726) is engineered for the high-performance demands of the Chevrolet LSA small block engine. Known for its supercharged power, the LSA requires robust hardware to handle extreme cylinder pressures. This kit replaces standard hex-style bolts with a sophisticated 12-point design, allowing for higher torque values and easier access in tight engine bays.

Why Choose ARP 12-Point Hardware?

Crafted from 8740 chromoly steel, these bolts are heat-treated to provide exceptional strength and durability. The 12-point head design not only looks professional but also allows for more precise torquing, which is essential for maintaining a consistent seal across the cylinder head. By upgrading to this kit, you are investing in the longevity of your LSA engine, ensuring that head gasket failures do not derail your performance goals.

  • Custom fit for Chevrolet Small Block LSA engines
  • 12-point head design for improved torque precision
  • 8740 Chromoly steel construction
  • 190,000 psi tensile strength
  • Includes hardened, parallel-ground washers
  • Ideal for supercharged applications

Whether you are building a street machine or a track-focused beast, the ARP 12-point kit offers the reliability required for high-boost environments. The combination of high-grade materials and precision machining makes this the preferred choice for professional engine builders. Enhance your LSA build today with high-performance hardware from GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About ARP

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

Superior Clamping for LSA Engines

The ARP 12-Point Head Bolt Kit (234-3726) is engineered for the high-performance demands of the Chevrolet LSA small block engine. Known for its supercharged power, the LSA requires robust hardware to handle extreme cylinder pressures. This kit replaces standard hex-style bolts with a sophisticated 12-point design, allowing for higher torque values and easier access in tight engine bays.

Why Choose ARP 12-Point Hardware?

Crafted from 8740 chromoly steel, these bolts are heat-treated to provide exceptional strength and durability. The 12-point head design not only looks professional but also allows for more precise torquing, which is essential for maintaining a consistent seal across the cylinder head. By upgrading to this kit, you are investing in the longevity of your LSA engine, ensuring that head gasket failures do not derail your performance goals.

  • Custom fit for Chevrolet Small Block LSA engines
  • 12-point head design for improved torque precision
  • 8740 Chromoly steel construction
  • 190,000 psi tensile strength
  • Includes hardened, parallel-ground washers
  • Ideal for supercharged applications

Whether you are building a street machine or a track-focused beast, the ARP 12-point kit offers the reliability required for high-boost environments. The combination of high-grade materials and precision machining makes this the preferred choice for professional engine builders. Enhance your LSA build today with high-performance hardware from GGCRACING.

Product Details

Product Description

About ARP

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

Superior Clamping for LSA Engines

The ARP 12-Point Head Bolt Kit (234-3726) is engineered for the high-performance demands of the Chevrolet LSA small block engine. Known for its supercharged power, the LSA requires robust hardware to handle extreme cylinder pressures. This kit replaces standard hex-style bolts with a sophisticated 12-point design, allowing for higher torque values and easier access in tight engine bays.

Why Choose ARP 12-Point Hardware?

Crafted from 8740 chromoly steel, these bolts are heat-treated to provide exceptional strength and durability. The 12-point head design not only looks professional but also allows for more precise torquing, which is essential for maintaining a consistent seal across the cylinder head. By upgrading to this kit, you are investing in the longevity of your LSA engine, ensuring that head gasket failures do not derail your performance goals.

  • Custom fit for Chevrolet Small Block LSA engines
  • 12-point head design for improved torque precision
  • 8740 Chromoly steel construction
  • 190,000 psi tensile strength
  • Includes hardened, parallel-ground washers
  • Ideal for supercharged applications

Whether you are building a street machine or a track-focused beast, the ARP 12-point kit offers the reliability required for high-boost environments. The combination of high-grade materials and precision machining makes this the preferred choice for professional engine builders. Enhance your LSA build today with high-performance hardware from GGCRACING.

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