This special-order item requires extra processing time; we’ll email you the ETA after your order, or you can use the contact form with your shipping address and item name to request it.

Manley Performance

Manley 90-99 Mitsubishi 4G63-4G63T DSM DOHC 16 Valve Spring and Retainer Kit (w/o Valve Locks) (16 e

Regular Price
$621.95 USD
Sale Price
$621.95 USD
Regular Price
$654.30
Sold Out
Unit Price
per 
Only 0 left!

Details

Manley Performance Valve spring and Retainer Kits take the guess work out of making your valvetrain race-ready. Engineered for maximum durability, stability, and precision in high-performance and racing applications, these chrome-silicon alloy springs provide exceptional fatigue resistance and high-tensile strength, ensuring consistent valve control at extreme RPMs. Save time and money with these kits, featuring premium springs, retainers, designed to handle aggressive aftermarket camshafts.

This Part Fits:

Year Make Model Submodel
1990-1998 Eagle Talon TSi
1990-1994 Mitsubishi Eclipse GS
1990-1999 Mitsubishi Eclipse GST
1990-1999 Mitsubishi Eclipse GSX
1996-1999 Mitsubishi Eclipse Spyder GST
1990-1994 Plymouth Laser RS
Trusted Performance Specialists Since 1996  •  60,000+ Builds Powered  •  Authorized Dealer of 250+ Brands
📧 Contact Us | 🕐 Mon–Fri 9am–6pm PST | ↩ Reply within 1 business day
affirm 0% financing on orders $500+
VISA MC AMEX Shop Pay
SP Engineering  •  424 Turnbull Canyon Rd, City of Industry, CA 91745  •  Est. 1996
© 2026 SP Engineering. All rights reserved.