Auto Racing Products Header Stud Kit 12pt Stainless — Fits GM LS-Series

SKU: BQDN_434-1301
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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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Professional Grade Header Studs for GM LS Engines

Eliminate the frustration of stripped threads and loose exhaust manifolds with the Auto Racing Products (ARP) Header Stud Kit. Engineered specifically for GM LS-Series engines, this kit replaces traditional bolts with high-strength studs, allowing for easier header alignment and superior clamping force. The 12-point nuts provide a secure grip and a high-end look, while the polished stainless steel construction ensures long-term resistance against rust and heat-induced fatigue.

Technical Advantages

  • Application: GM LS-Series Engines
  • Stud Size: M8 x 1.25 Thread
  • Length: 1.75 inch OAL
  • Head Style: 12-Point Nuts
  • Material: Polished Stainless Steel
  • Quantity: Set of 12 Studs

Using studs instead of bolts is the preferred method for performance engine builders, as it minimizes wear on the cylinder head threads during frequent header removals. This kit is essential for vehicles subjected to high-performance driving, track days, or forced induction setups where thermal expansion is significant. By distributing pressure more evenly across the header flange, these studs provide a reliable, leak-free seal that protects your engine's performance. Upgrade your exhaust mounting hardware with this premium kit available at GGCRACING.

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

Professional Grade Header Studs for GM LS Engines

Eliminate the frustration of stripped threads and loose exhaust manifolds with the Auto Racing Products (ARP) Header Stud Kit. Engineered specifically for GM LS-Series engines, this kit replaces traditional bolts with high-strength studs, allowing for easier header alignment and superior clamping force. The 12-point nuts provide a secure grip and a high-end look, while the polished stainless steel construction ensures long-term resistance against rust and heat-induced fatigue.

Technical Advantages

  • Application: GM LS-Series Engines
  • Stud Size: M8 x 1.25 Thread
  • Length: 1.75 inch OAL
  • Head Style: 12-Point Nuts
  • Material: Polished Stainless Steel
  • Quantity: Set of 12 Studs

Using studs instead of bolts is the preferred method for performance engine builders, as it minimizes wear on the cylinder head threads during frequent header removals. This kit is essential for vehicles subjected to high-performance driving, track days, or forced induction setups where thermal expansion is significant. By distributing pressure more evenly across the header flange, these studs provide a reliable, leak-free seal that protects your engine's performance. Upgrade your exhaust mounting hardware with this premium kit available at GGCRACING.

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

Professional Grade Header Studs for GM LS Engines

Eliminate the frustration of stripped threads and loose exhaust manifolds with the Auto Racing Products (ARP) Header Stud Kit. Engineered specifically for GM LS-Series engines, this kit replaces traditional bolts with high-strength studs, allowing for easier header alignment and superior clamping force. The 12-point nuts provide a secure grip and a high-end look, while the polished stainless steel construction ensures long-term resistance against rust and heat-induced fatigue.

Technical Advantages

  • Application: GM LS-Series Engines
  • Stud Size: M8 x 1.25 Thread
  • Length: 1.75 inch OAL
  • Head Style: 12-Point Nuts
  • Material: Polished Stainless Steel
  • Quantity: Set of 12 Studs

Using studs instead of bolts is the preferred method for performance engine builders, as it minimizes wear on the cylinder head threads during frequent header removals. This kit is essential for vehicles subjected to high-performance driving, track days, or forced induction setups where thermal expansion is significant. By distributing pressure more evenly across the header flange, these studs provide a reliable, leak-free seal that protects your engine's performance. Upgrade your exhaust mounting hardware with this premium kit available at GGCRACING.

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