ARP LS1/LS2 12-Point Valley Cover Bolt Kit — Performance Hardware

SKU: ARP134-8002
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About ARP ARP (Automotive Racing Products) makes the strongest fasteners ...Read More

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Sale price$29.99
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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.

Watch in action

Clean Up Your LS Engine Bay

The ARP 134-8002 12-Point Valley Cover Bolt Kit is the perfect finishing touch for any GM LS1 or LS2 engine build. Beyond providing superior clamping force compared to factory hardware, these 12-point bolts offer a professional, high-end appearance that makes your engine bay stand out at any car show or track event.

Strength Meets Style

Constructed from premium materials, these bolts are designed to withstand the heat and vibration of the engine valley area without loosening or corroding. The 12-point head design provides excellent socket clearance and a clean, industrial look that complements other high-performance components. If you are performing a cam swap or a full engine rebuild, replacing the factory valley cover bolts with this ARP kit is an easy way to ensure long-term reliability and a custom aesthetic.

  • Designed for GM LS1 and LS2 engines
  • Sleek 12-point head design
  • High-strength alloy construction
  • Corrosion-resistant finish
  • Perfect for engine bay detailing and performance builds

Upgrade your engine's hardware with the best in the business. For high-quality fasteners and engine components, look no further than the selection 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

Clean Up Your LS Engine Bay

The ARP 134-8002 12-Point Valley Cover Bolt Kit is the perfect finishing touch for any GM LS1 or LS2 engine build. Beyond providing superior clamping force compared to factory hardware, these 12-point bolts offer a professional, high-end appearance that makes your engine bay stand out at any car show or track event.

Strength Meets Style

Constructed from premium materials, these bolts are designed to withstand the heat and vibration of the engine valley area without loosening or corroding. The 12-point head design provides excellent socket clearance and a clean, industrial look that complements other high-performance components. If you are performing a cam swap or a full engine rebuild, replacing the factory valley cover bolts with this ARP kit is an easy way to ensure long-term reliability and a custom aesthetic.

  • Designed for GM LS1 and LS2 engines
  • Sleek 12-point head design
  • High-strength alloy construction
  • Corrosion-resistant finish
  • Perfect for engine bay detailing and performance builds

Upgrade your engine's hardware with the best in the business. For high-quality fasteners and engine components, look no further than the selection 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

Clean Up Your LS Engine Bay

The ARP 134-8002 12-Point Valley Cover Bolt Kit is the perfect finishing touch for any GM LS1 or LS2 engine build. Beyond providing superior clamping force compared to factory hardware, these 12-point bolts offer a professional, high-end appearance that makes your engine bay stand out at any car show or track event.

Strength Meets Style

Constructed from premium materials, these bolts are designed to withstand the heat and vibration of the engine valley area without loosening or corroding. The 12-point head design provides excellent socket clearance and a clean, industrial look that complements other high-performance components. If you are performing a cam swap or a full engine rebuild, replacing the factory valley cover bolts with this ARP kit is an easy way to ensure long-term reliability and a custom aesthetic.

  • Designed for GM LS1 and LS2 engines
  • Sleek 12-point head design
  • High-strength alloy construction
  • Corrosion-resistant finish
  • Perfect for engine bay detailing and performance builds

Upgrade your engine's hardware with the best in the business. For high-quality fasteners and engine components, look no further than the selection at GGCRACING.

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