What type of valve locks do these retainers require?

These Manley Titanium Valve Spring Retainers require specific 7-degree valve locks. Manley recommends using their part number 13091 for this application, which is designed for LT-1, LT-4, and L-98 Gen I/II SBC engines.

What is the main benefit of using titanium retainers?

The main benefit of using titanium retainers like these is their significantly reduced weight compared to steel. This lower mass in the valvetrain helps improve the engine's ability to reach higher RPMs and ensures better valve control.

Are these retainers a direct replacement for any stock part?

These are performance-oriented titanium retainers and are not typically direct replacements for stock steel retainers. They are designed for engine builds where higher RPM potential and reduced valvetrain mass are desired.

Specifications

Brand: Manley Performance
Part #: 23642-16
UPC: 807298037691

Manley Spring Retainer, RET-TI 1.250,+.050 7 DEG

Name: Manley Spring Retainer, RET-TI 1.250,+.050 7 DEG
Brand: Manley Performance
SKU: manley-performance-manley-spring-retainer-ret-ti-1-250-050-7-deg-t14-881386
Price: 367.72 USD
Availability: BackOrder

$367.72

On Backorder

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Manley Titanium Valve Spring Retainer for 11/32" valve stems. Reduces valvetrain mass for improved RPM potential.

Key Features

Fits 11/32 inch valve stems with a 7-degree valve lock angle.
Designed for a +.050 inch installation height.
Constructed from special 6AL-4V titanium for maximum strength and reduced weight.
CAD designed to minimize mass without sacrificing strength.
Each retainer weighs only 9.0 grams.
Requires Manley Valve Lock P/N 13091 (LT-1/LT-4/L-98 - Gen I/II SBC).

⚠️ 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

When you're rebuilding the top end of your engine and pushing for higher RPMs, the right valve spring retainers make a big difference. These Manley Titanium Valve Spring Retainers are designed to help you get the most out of your valvetrain, especially when you're aiming for increased engine speed. They're a well-built component that helps reduce the overall weight of your valvetrain, which is key for better performance at higher engine speeds.

Manley uses special 6AL-4V titanium for these retainers, a material known for its strong strength-to-weight ratio. They're CAD designed to shave off as much mass as possible without compromising their ability to handle the forces involved. This focus on reducing weight is what helps improve your engine's RPM potential and ensures your valves are controlled accurately, even when you're really working the engine hard. Keep in mind that these retainers require specific 7-degree valve locks, and Manley recommends using their part number 13091 for this purpose.

These retainers are set up for an installation height that's 0.050 inches taller than standard and are made for valve stems that are 11/32 inches in diameter. Each retainer weighs in at a light 9.0 grams, contributing to that overall valvetrain mass reduction. If you're building an engine for demanding use, these titanium retainers are a solid option to consider for their strength and weight savings.