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Manley Performance MAN Spring Retainers Valve Springs, Retainers - 23639-16

Manley Spring Retainer, RET-TI 1.430 7 DEG +.050
Availability: In stock
Part number: 23639-16
Manufacturer: Manley Performance
$380.86
In stock — usually ships within 1 business day

Upgrade your valve train with Manley Performance Titanium Retainers and other lightweight titanium options designed specifically for high-revving engines. Machined from aerospace-grade heat-treated 6AL-4V titanium, these retainers dramatically reduce valvetrain mass for quicker rev-up, improved valve control and enhanced overall responsiveness. The reduced weight helps your engine hold spring pressure at high RPM, minimizing float and unlocking more performance potential in race or aggressive street applications. Lightweight, strong, and precision-built for serious performance.

Use Manley 13098 or OE Chevrolet LS Valve Locks - Height: +.050 in. - Valve Stem Diameter: 8mm - Weight: 14.0 grams

Manley Titanium 7 Degree Valve Spring Retainer - Use with Manley Spring 221408

Ti Retainers-8mm stem diam. 7 DEG vlv lock, 1.340" OD, +.050" install height

CAD designed for ultimate reduction in mass without sacrificing strength

Must use Manley P/N 13098 or factory Chevrolet LS valve locks

Manley Spring Retainer, RET-TI 1.430 7 DEG +.050

Special 6AL-4V titanium for maximum strength

Engine Valve Spring Retainer Set

RET-TI 1.430 7 DEG +.050 KIT

Must use 7 valve locks

Spring Retainer Set

No confirmed vehicle fitment listed We do not have a vehicle-specific fitment row for this product yet.

This does not automatically mean the part fits every 3000GT or Stealth. Send us your year, drivetrain, turbo/non-turbo status, and part number before ordering if fitment is in question.

Ask fitment help