ARP 12pt Timing Cover Bolt Kit — Fits Chevy LS1 & LS2 Engines

SKU: ARP134-1502
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About ARP ARP (Automotive Racing Products) makes the strongest fasteners ...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 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

High-Performance 12-Point Timing Cover Hardware

Elevate your engine bay aesthetics and structural integrity with the ARP 134-1502 12-Point Timing Cover Bolt Kit. Designed for the discerning builder, this kit offers the same legendary strength as standard ARP fasteners but features a sophisticated 12-point head design. This upgrade is perfect for LS1 and LS2 owners who want a cleaner, more professional look while ensuring their timing cover remains perfectly sealed under all operating conditions.

Technical Advantages

  • Head Style: 12-point design for a custom, high-end appearance
  • Material: Premium 8740 chromoly steel for maximum durability
  • Finish: Corrosion-resistant black oxide coating
  • Fitment: Precision-engineered for LS1/LS2 timing cover applications
  • Performance: Superior clamping force compared to OEM bolts

The 12-point head design not only looks great but also provides better socket engagement, reducing the risk of rounding off bolt heads during installation or future maintenance. Because these bolts are manufactured from high-tensile chromoly, you can torque them with confidence, knowing they will provide consistent clamping force to your timing cover gasket. This prevents common oil leaks associated with stretched or low-quality hardware. Whether you are building a show car or a high-performance street machine, this kit is the perfect finishing touch. Experience the difference in quality and performance when you shop for your engine components at 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

High-Performance 12-Point Timing Cover Hardware

Elevate your engine bay aesthetics and structural integrity with the ARP 134-1502 12-Point Timing Cover Bolt Kit. Designed for the discerning builder, this kit offers the same legendary strength as standard ARP fasteners but features a sophisticated 12-point head design. This upgrade is perfect for LS1 and LS2 owners who want a cleaner, more professional look while ensuring their timing cover remains perfectly sealed under all operating conditions.

Technical Advantages

  • Head Style: 12-point design for a custom, high-end appearance
  • Material: Premium 8740 chromoly steel for maximum durability
  • Finish: Corrosion-resistant black oxide coating
  • Fitment: Precision-engineered for LS1/LS2 timing cover applications
  • Performance: Superior clamping force compared to OEM bolts

The 12-point head design not only looks great but also provides better socket engagement, reducing the risk of rounding off bolt heads during installation or future maintenance. Because these bolts are manufactured from high-tensile chromoly, you can torque them with confidence, knowing they will provide consistent clamping force to your timing cover gasket. This prevents common oil leaks associated with stretched or low-quality hardware. Whether you are building a show car or a high-performance street machine, this kit is the perfect finishing touch. Experience the difference in quality and performance when you shop for your engine components at 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

High-Performance 12-Point Timing Cover Hardware

Elevate your engine bay aesthetics and structural integrity with the ARP 134-1502 12-Point Timing Cover Bolt Kit. Designed for the discerning builder, this kit offers the same legendary strength as standard ARP fasteners but features a sophisticated 12-point head design. This upgrade is perfect for LS1 and LS2 owners who want a cleaner, more professional look while ensuring their timing cover remains perfectly sealed under all operating conditions.

Technical Advantages

  • Head Style: 12-point design for a custom, high-end appearance
  • Material: Premium 8740 chromoly steel for maximum durability
  • Finish: Corrosion-resistant black oxide coating
  • Fitment: Precision-engineered for LS1/LS2 timing cover applications
  • Performance: Superior clamping force compared to OEM bolts

The 12-point head design not only looks great but also provides better socket engagement, reducing the risk of rounding off bolt heads during installation or future maintenance. Because these bolts are manufactured from high-tensile chromoly, you can torque them with confidence, knowing they will provide consistent clamping force to your timing cover gasket. This prevents common oil leaks associated with stretched or low-quality hardware. Whether you are building a show car or a high-performance street machine, this kit is the perfect finishing touch. Experience the difference in quality and performance when you shop for your engine components at GGCRACING.

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