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Est. 1957
Manley Performance

Manley LT4 INT/EXH Spring Retainer 1.340 7 Deg

$367.72

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Manley Performance is known for high-performance engine components. These LT4 valve spring retainers are made from titanium to reduce weight and improve RPM potential.

Key Features

  • Manley Performance is known for high-performance engine components.
  • These retainers are made from strong 6AL-4V titanium.
  • Titanium construction helps reduce valvetrain mass for improved RPM potential.
  • Designed for LT4 engines with 8mm valve stems.
  • Requires 7-degree valve locks; use Manley P/N 13098 or factory Chevrolet LT4 valve locks.
  • Has an installed height that is +.055 inches compared to the 23611 part.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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About this part

Product Details

Manley Performance has a solid reputation for building strong engine parts. These valve spring retainers are specifically made for LT4 engines, designed to handle higher RPMs and keep your valvetrain working right. They're made from 6AL-4V titanium, which is a really strong material that also happens to be very light. This helps reduce the overall weight in your valvetrain, which can improve how high your engine can safely rev.

When you're putting these retainers on, you'll need to use them with 7-degree valve locks. Manley recommends their own part number 13098, or you can use the factory Chevrolet LT4 valve locks. These retainers are designed to fit with an installed height that's about 0.055 inches taller than the standard 23611 part. They're CNC machined to be strong and precise, ensuring they work well with your engine's valve springs.

Specifications

Brand
Manley Performance
Manufacturer Part #
23603-16
UPC
807298071633

Frequently Asked Questions

Manley LT4 INT/EXH Spring Retainer 1.340 7 Deg

$367.72