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Manley Performance MAN Spring Retainers Valve Springs, Retainers - 23623-8

Manley Spring Retainer, RET-TI 1.290 7 DEG +.050 LS1/LT4 EXH
Availability: In stock
Part number: 23623-8
Manufacturer: Manley Performance
$179.55
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: Standard - Valve Stem Diameter: 8mm - Weight: 10.0 grams

Ti Retainers-8.0mm stem diam. 7 DEG vlv lock, 1.155" OD, std. install height

Ti 7 Deg Vlv Spring Ret.- Use Spring 221436 - Chevy Gen III/IV/V (LT4 Exh.)

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 1.290 7 DEG +.050 LS1/LT4 EXH

Special 6AL-4V titanium for maximum strength

RET-TI 1.290 7 DEG +.050 LS1/LT4 EXH

Engine Valve Spring Retainer Set

Must use 7 valve locks

Spring Retainer

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