Chevrolet Performance LS7 Exhaust Valve 1.615in Hollow Stem — GM LS-Series

SKU: FMQX_12618110
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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 Chevrolet Performance Parts

Chevrolet Performance Parts engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Chevrolet Performance Parts lineup with fast shipping and expert fitment support — order with confidence.

High-Performance Valvetrain Components

Unlock the full potential of your LS-Series engine with the Chevrolet Performance LS7 Exhaust Valve. Featuring a lightweight, hollow-stem design filled with sodium, this valve is engineered to handle the extreme heat and high RPMs of high-performance racing environments. By reducing reciprocating mass, this valve allows for faster engine response and improved valvetrain stability at high speeds.

Technical Specifications

  • Head Diameter: 1.615 inches for optimal exhaust flow.
  • Stem Diameter: 8 mm for precision fitment in LS7-style heads.
  • Length: 5.250 inches, meeting factory LS7 specifications.
  • Construction: Sodium-filled, hollow-stem design for superior heat dissipation.

The LS7 platform is known for its high-output capabilities, and the valvetrain is the heart of that performance. This exhaust valve is designed to withstand the rigors of aggressive camshaft profiles and high-compression setups. The sodium filling acts as a heat transfer medium, pulling thermal energy away from the valve head and into the stem, which significantly extends the life of the valve and the valve seat. If you are building a high-revving LS engine, this component is essential for maintaining integrity and performance. Trust in the engineering excellence of Chevrolet Performance to keep your engine running at its peak. Explore our full range of valvetrain upgrades and high-performance engine parts at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Chevrolet Performance Parts

Chevrolet Performance Parts engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Chevrolet Performance Parts lineup with fast shipping and expert fitment support — order with confidence.

High-Performance Valvetrain Components

Unlock the full potential of your LS-Series engine with the Chevrolet Performance LS7 Exhaust Valve. Featuring a lightweight, hollow-stem design filled with sodium, this valve is engineered to handle the extreme heat and high RPMs of high-performance racing environments. By reducing reciprocating mass, this valve allows for faster engine response and improved valvetrain stability at high speeds.

Technical Specifications

  • Head Diameter: 1.615 inches for optimal exhaust flow.
  • Stem Diameter: 8 mm for precision fitment in LS7-style heads.
  • Length: 5.250 inches, meeting factory LS7 specifications.
  • Construction: Sodium-filled, hollow-stem design for superior heat dissipation.

The LS7 platform is known for its high-output capabilities, and the valvetrain is the heart of that performance. This exhaust valve is designed to withstand the rigors of aggressive camshaft profiles and high-compression setups. The sodium filling acts as a heat transfer medium, pulling thermal energy away from the valve head and into the stem, which significantly extends the life of the valve and the valve seat. If you are building a high-revving LS engine, this component is essential for maintaining integrity and performance. Trust in the engineering excellence of Chevrolet Performance to keep your engine running at its peak. Explore our full range of valvetrain upgrades and high-performance engine parts at GGCRACING.

Product Details

Product Description

About Chevrolet Performance Parts

Chevrolet Performance Parts engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Chevrolet Performance Parts lineup with fast shipping and expert fitment support — order with confidence.

High-Performance Valvetrain Components

Unlock the full potential of your LS-Series engine with the Chevrolet Performance LS7 Exhaust Valve. Featuring a lightweight, hollow-stem design filled with sodium, this valve is engineered to handle the extreme heat and high RPMs of high-performance racing environments. By reducing reciprocating mass, this valve allows for faster engine response and improved valvetrain stability at high speeds.

Technical Specifications

  • Head Diameter: 1.615 inches for optimal exhaust flow.
  • Stem Diameter: 8 mm for precision fitment in LS7-style heads.
  • Length: 5.250 inches, meeting factory LS7 specifications.
  • Construction: Sodium-filled, hollow-stem design for superior heat dissipation.

The LS7 platform is known for its high-output capabilities, and the valvetrain is the heart of that performance. This exhaust valve is designed to withstand the rigors of aggressive camshaft profiles and high-compression setups. The sodium filling acts as a heat transfer medium, pulling thermal energy away from the valve head and into the stem, which significantly extends the life of the valve and the valve seat. If you are building a high-revving LS engine, this component is essential for maintaining integrity and performance. Trust in the engineering excellence of Chevrolet Performance to keep your engine running at its peak. Explore our full range of valvetrain upgrades and high-performance engine parts at GGCRACING.

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