ARP LS1/LS2 Hex Rear Motor Cover Bolt Kit — Fits GM LS Series

SKU: ARP134-1503
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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.

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Reliable Rear Motor Cover Hardware for LS Engines

Don't let a rear main cover leak ruin your day. The ARP 134-1503 Hex Rear Motor Cover Bolt Kit is designed to provide the ultimate seal for your LS1 or LS2 engine's rear cover. Often overlooked during engine builds, the rear cover hardware is critical for maintaining oil pressure and preventing leaks between the engine block and the transmission. ARP’s high-strength fasteners ensure that your cover stays put, regardless of the power levels you are pushing.

Why Upgrade Your Rear Cover Bolts?

  • Strength: Manufactured from high-tensile chromoly steel
  • Fitment: Specifically sized for LS1 and LS2 rear cover housings
  • Style: Classic hex-head design for a factory-correct look
  • Durability: Black oxide finish resists corrosion and wear
  • Security: Provides consistent clamping force for a leak-free seal

Replacing your rear cover bolts is a smart move during any engine teardown or transmission swap. The factory bolts can become fatigued or stripped over time, leading to dreaded oil leaks that are difficult to fix once the transmission is installed. By using this ARP kit, you are installing hardware that is significantly stronger than the original equipment, providing you with long-term reliability and peace of mind. Every bolt is held to the strictest quality standards in the industry, ensuring a perfect fit every time. For all your engine fastener needs, 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

Reliable Rear Motor Cover Hardware for LS Engines

Don't let a rear main cover leak ruin your day. The ARP 134-1503 Hex Rear Motor Cover Bolt Kit is designed to provide the ultimate seal for your LS1 or LS2 engine's rear cover. Often overlooked during engine builds, the rear cover hardware is critical for maintaining oil pressure and preventing leaks between the engine block and the transmission. ARP’s high-strength fasteners ensure that your cover stays put, regardless of the power levels you are pushing.

Why Upgrade Your Rear Cover Bolts?

  • Strength: Manufactured from high-tensile chromoly steel
  • Fitment: Specifically sized for LS1 and LS2 rear cover housings
  • Style: Classic hex-head design for a factory-correct look
  • Durability: Black oxide finish resists corrosion and wear
  • Security: Provides consistent clamping force for a leak-free seal

Replacing your rear cover bolts is a smart move during any engine teardown or transmission swap. The factory bolts can become fatigued or stripped over time, leading to dreaded oil leaks that are difficult to fix once the transmission is installed. By using this ARP kit, you are installing hardware that is significantly stronger than the original equipment, providing you with long-term reliability and peace of mind. Every bolt is held to the strictest quality standards in the industry, ensuring a perfect fit every time. For all your engine fastener needs, 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

Reliable Rear Motor Cover Hardware for LS Engines

Don't let a rear main cover leak ruin your day. The ARP 134-1503 Hex Rear Motor Cover Bolt Kit is designed to provide the ultimate seal for your LS1 or LS2 engine's rear cover. Often overlooked during engine builds, the rear cover hardware is critical for maintaining oil pressure and preventing leaks between the engine block and the transmission. ARP’s high-strength fasteners ensure that your cover stays put, regardless of the power levels you are pushing.

Why Upgrade Your Rear Cover Bolts?

  • Strength: Manufactured from high-tensile chromoly steel
  • Fitment: Specifically sized for LS1 and LS2 rear cover housings
  • Style: Classic hex-head design for a factory-correct look
  • Durability: Black oxide finish resists corrosion and wear
  • Security: Provides consistent clamping force for a leak-free seal

Replacing your rear cover bolts is a smart move during any engine teardown or transmission swap. The factory bolts can become fatigued or stripped over time, leading to dreaded oil leaks that are difficult to fix once the transmission is installed. By using this ARP kit, you are installing hardware that is significantly stronger than the original equipment, providing you with long-term reliability and peace of mind. Every bolt is held to the strictest quality standards in the industry, ensuring a perfect fit every time. For all your engine fastener needs, look no further than the selection at GGCRACING.

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